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GMC Yukon 2000–2006

GMC YukonModel years 2000–2006

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The vehicle (where a record says)

A record is under an engine, a drive or a series only where it says so: the characters of the vehicle identification number filed with a complaint, its text, or what its document says it applies to. A record that does not say is kept as "not stated". The filed numbers and the documents do not tell 4WD from AWD.

Common on this vehicle:NoiseWarning lightGauge or instrument faultLeakCorrosion or rustMisfire or rough idleAir conditioning or heaterLights (headlights, turn signals)

Record by record

57 records state a cause or a remedy. Each record is shown as short labels in the order fault → finding the cause → correction. Press a label to narrow to the records that state it.

Symptom

Component named as the cause

Work done

How it is said to have ended

  • result not stated14

A ribbon is as wide as the records that state both of its ends (only the commonest are drawn). A record that names several symptoms or components runs through each. Orange is records that say the fault came back or was not fixed. Results come from owners’ reports only; one that does not say is “result not stated”. None of this is a likelihood of a cause or a rate at which work succeeds.

Read the records one by one (35)

Known issuesBrake pipe (brake line) corrosion and rupture23

  1. Owner complaint2003 GMC YUKON ・ 2013-11-10

    Brake pedal to floor with no braking capability

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR WITH NO BRAKING CAPABILITY. (3 more)
    Cause
    I ASSUME THAT THE REAR BRAKE LINES HAVE ALSO RUSTED THROUGH. (1 more)
    Remedy
    PAID REPAIR FACILITY TO REPLACE FRONT BRAKE LINES.
    Inspection
    HAD VEHICLE TOWED TO SERVICE FACILITY AND THEY REPORTED THAT THE FRONT BRAKE LINES HAD RUSTED THROUGH CAUSING FLUID TO BE PUSHED OUT.

  2. Owner complaint2003 GMC YUKON ・ 2013-08-22

    Brake lines corrosion caused total brake system failure

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Cause
    BRAKE LINES CORROSION CAUSED TOTAL BRAKE SYSTEM FAILURE.
    Consequence
    FORTUNATELY, NO ONE WAS INJURED OR KILLED. *TR

  3. Owner complaint2003 GMC YUKON ・ 2011-12-09

    Brake pedal went to floor and brake light came on during driving

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    STEPPED ON BRAKES TO SLOW-DOWN FOR SLOWER TRAFFIC, THE PEDAL WENT TO THE FLOOR AND THE BRAKE LIGHT CAME ON. (1 more)
    Remedy
    THE FUEL TANK NEEDED TO BE REMOVED TO REPLACE REAR BRAKE LINES ON THE TRUCK.
    Inspection
    THE DEALERSHIP INVESTIGATED THE FAILURE.
    Consequence
    THE YUKON WAS ABLE TO SLOW DOWN BEFORE HITTING THE SLOWER TRAFFIC.

  4. Owner complaint2003 GMC YUKON ・ 2018-10-14

    Brake line failure due to rust

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    I WAS LEAVING MY DRIVEWAY WHEN THE BRAKE PEDAL ON MY GMC YUKON BLEW OUT.
    Cause
    THE LINE HAD RUSTED THOROUGH.

  5. Owner complaint2003 GMC YUKON DENALI ・ 2017-07-28

    Brake lines rusted, catastrophic brake system failure

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    MY VEHICLE WAS IN MOTION AND WHEN I DEPRESSED THE BRAKE PEDAL THE PEDAL WENT COMPLETELY TO THE FLOORBOARD.
    Inspection
    MY MASTER CYLINDER WAS COMPLETELY EMPTY OF BRAKE FLUID WHEN EXAMINED.
    Consequence
    I WAS DRIVING STRAIGHT AHEAD IN MODERATE CITY TRAFFIC & NARROWLY MISSED STRIKING THE VEHICLE IN FRONT OF ME ON A CITY STREET.

  6. Owner complaint2003 GMC YUKON ・ 2017-01-12

    Brake lines rusted out, unexpected brake loss during rain storm

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    I LOST MY BRAKE UN-EXPECTANTLY DURING A RAIN STORM IN COHASSET, MA ON 1/10/2017.
    Consequence
    LUCKILY I WAS ON A SIDE ROAD COMING TO A STOP SIGN AND NO ACCIDENT OCCURRED NOR WERE MY 3 KIDS IN THE VEHICLE.

  7. Owner complaint2003 GMC YUKON ・ 2016-10-17

    Brake pedal to floor and brake fluid leak, brake lines fractured

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    WITHOUT WARNING, THE BRAKE PEDAL TRAVELED TO THE FLOORBOARD AND BRAKE FLUID WAS LEAKING.
    Remedy
    THE MECHANIC REPLACED THE FRONT BRAKE LINES AND INDICATED THAT THERE WAS EXTENSIVE RUST AND CORROSION.

  8. Owner complaint2003 GMC YUKON ・ 2016-08-23

    Total brake failure when braking at intersection; ABS light on

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      IN ORDER TO IMPROVE VEHICLE SAFETY THE LINES WILL ALL BE REPLACED WITH STAINLESS STEEL SO THIS DOESN'T HAPPEN AGAIN.

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    WHILE APPROACHING AN INTERSECTION I APPLIED THE BRAKES THE PEDAL WENT TO THE FLOOR ABS LIGHT CAME ON AND THE WAS TOTAL BRAKE FAILURE.
    Remedy
    IN ORDER TO IMPROVE VEHICLE SAFETY THE LINES WILL ALL BE REPLACED WITH STAINLESS STEEL SO THIS DOESN'T HAPPEN AGAIN.
    Inspection
    THEY FOUND RUSTED BRAKE LINES AT THE ABS VALVE ALONG WITH A RUSTED BACKING PLATE FOR THE VALVE.

  9. Owner complaint2003 GMC YUKON ・ 2016-02-02

    Lost all braking; brake lines corroded with holes

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    GOING DOWN HILL, APPLIED BRAKES AND THE PEDAL WENT ALL THE WAY TO THE FLOOR.
    Remedy
    I HAD TO REPLACE ALL THE METAL LINES ON THE VEHICLE.

  10. Owner complaint2003 GMC YUKON ・ 2015-12-28

    Brake line failure on Christmas Day at 60 MPH

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    BRAKE LINE FAILURE - ST. LOUIS MO. (1 more)
    Consequence
    NARROWLY ESCAPED ACCIDENT/COLLISION.

  11. Owner complaint2003 GMC YUKON ・ 2015-03-24

    Rear brake line rusted out while backing out of driveway

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    SITUATION LUCKILY HAPPENED WHILE MY WIFE WAS BACKING OUT OF THE DRIVEWAY. (1 more)
    Inspection
    FURTHER INSPECTION SHOWS THAT ALL BRAKE LINES ARE SUSPECT AND WILL NEED TO BE REPLACED. *TR
    Consequence
    NO HARM OR INJURY OCCURRED.

  12. Owner complaint2003 GMC YUKON ・ 2015-03-12

    Brake lines corroded, brake fluid loss during driving, March 2015

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    THERE WAS NO WARNING LIGHT!!!!! (1 more)
    Cause
    WHY GM RUNS THE LINES RIGHT ALONG THE FRONT OF THE VEHICLE UNDERCARRIAGE IS A MYSTERY TO ME. (2 more)

  13. Owner complaint2003 GMC YUKON DENALI ・ 2014-10-03

    Brake failure while slowing down

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    MY DAUGHTER WAS DRIVING AND WHEN SLOWING DOWN THE BRAKES FAILED TO WORK.
    Inspection
    AFTER INSPECTION, I NOTICED FLUID ON THE GROUND AT THE REAR LEFT (DRIVER'S SIDE REAR), AND LOOKED UNDER THE VEHICLE TO SEE WHERE THE FLUID MAY BE COMING FROM.
    Consequence
    THE VEHICLE WAS NOT ABLE TO STOP AND COLLIDED WITH THE VEHICLE IN FRONT. (1 more)

  14. Owner complaint2003 GMC YUKON ・ 2014-08-01

    Brake pedal travels to floorboard, brake line corrosion

    1. 1Fault

    2. 2Finding the cause

    3. 3CorrectionNot repaired

      THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED.

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    THE CONTACT STATED THAT THE BRAKE PEDAL WAS DEPRESSED AND TRAVELED TO THE FLOORBOARD. (1 more)
    Remedy
    THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED.

  15. Owner complaint2003 GMC YUKON ・ 2014-05-18

    Brake failure with warning light and buzzer while driving on back roads

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    WHILE TRAVELING HOME THIS MORNING FROM A BALL GAME ON NC BACK ROADS WITH OUR TWO CHILDREN, MY WIFE [XXX] SAID THE BRAKES FAILED AND THE WARNING LIGHT CAME ON AND THE BUZZER SOUNDED.
    Cause
    ANNUAL TRIPS TO NORTHERN MICHIGAN WITH PROPER POST TRIP WASHINGS SHOULD NOT HAVE CREATED THIS AMOUNT OF RUST AND CORROSION ON KEY COMPONENTS SUCH AS THE BRAKE LINES. (1 more)
    Inspection
    UPON INSPECTION, BRAKE FLUID WAS DRIPPING FROM A RUSTED BRAKE LINE JUST INSIDE THE LEFT REAR WHEEL.

  16. Owner complaint2003 GMC YUKON ・ 2013-11-23

    Brake pedal goes to floor during ABS braking on slippery road

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    COMING TO A STOP TO MAKE A LEFT HAND TURN, LIGHT COATING OF SNOW ON THE ROAD MADE IT SLIPPERY, ABS BRAKING CYCLED I HELD BRAKE PEDAL DOWN AS THE MANUALS SAY TO DO WITH ABS SYSTEM, TRUCK SLOWED ABS CYCLED AGAIN AND THEN PEDAL WENT TO THE FLOOR.
    Inspection
    I HAD ALMOST NO BRAKES AT ALL AS I ENTERED MY DRIVEWAY AND PARKED.I THEN INSPECTED FLUID LEVEL IN MASTER CYLINDER WHICH APPEARED FULL , FROM THERE I FOLLOWED LINE DOWN TO THE ABS MODULE TO THE BRAIDED BRAKE LINE AND STILL SAW NO LEAKS, THEN FOLLOWED THE BRAIDED BRAKE LINE TO THE BRAKE LINE TUBING TO THE FRAME BEHIND THE WHEEL WELL WHERE THE LINE CLOSEST TO THE WHEEL WELL WAS LEAKING FLUID AND IT HAD SPRAYED ALL OVER THE LINE AND UNDER CARRIAGE AND FRAME AND WHEEL HOUSING SHROUD.
    Consequence
    MY VEHICLE ENDED UP SIDEWAYS IN ROAD AND THIRTY FEET FROM MY TURN AND NEARLY IN A DITCH, I THEN BACKED UP TO MAKE MY TURN AND BRAKES WENT TO THE FLOOR AGAIN AS I STOPPED TO ENTER MY ROAD , FORTUNATELY MY HOME WAS ONLY ABOUT 500 YARDS (= 457.2 m) FROM THIS SPOT.

  17. Owner complaint2003 GMC YUKON DENALI ・ 2013-09-02

    Brake pedal went to floor while driving at night

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    I WAS DRIVING HOME AT NIGHT AFTER GETTING GAS IN THE MIDDLE OF THE GAS SHORTAGE DURING THE MAJOR SNOW STORM IN THE NORTH EASTERN UNITED STATES. (1 more)
    Remedy
    THEY ENDED UP REPLACING THE ENTIRE BRAKE LINE SYSTEM DUE TO EXCESSIVE RUST. *JS
    Inspection
    I THEN BROUGHT IT TO A MECHANIC AND WHEN IT WAS PLACED ON A LIFT THEY NOTICED THE ENTIRE BOTTOM OF THE CAR WAS RUSTED INCLUDING THE BRAKE LINES.

  18. Owner complaint2003 GMC YUKON ・ 2013-06-10

    Brake pedal sinking; brake line failure reported

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    WAS DRIVING DOWN MY STREET @ 20MPH (= 32.2 km/h), STARTED TO BRAKE ABOUT 150 FEET (= 45.7 m) BEFORE THE STOP SIGN. (1 more)
    Remedy
    THE TECH RE-CONSTRUCTED THE BRAKE LINES FROM SCRATCH USING A CORROSION-RESISTANT ALLOY TUBING. (2 more)
    Inspection
    THE TECHNICIAN INSPECTED, HE FOUND 2 FAILED LEAKING STEEL BRAKE LINES...THE REST OF THE BRAKE LINES WERE SEVERELY RUSTED.

  19. Owner complaint2003 GMC YUKON DENALI ・ 2013-01-01

    Rusted brake lines caused loss of brakes with no warning

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Cause
    RUSTED BRAKE LINES CAUSED IMMEDIATE LOSS WITH NO WARNING.

  20. Owner complaint2003 GMC YUKON DENALI ・ 2012-03-28

    Brake failure while driving; brake pedal depressed to floorboard at 78,000 miles

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    THE CONTACT STATED THAT WHILE DRIVING 20 MPH (= 32.2 km/h), THE BRAKES WERE APPLIED AND FAILED AND THE BRAKE PEDAL WAS DEPRESSED INTO THE FLOORBOARD.
    Remedy
    THE MECHANIC REPAIRED THE ENTIRE BRAKE LINE AND MASTER CYLINDER.
    Inspection
    THE MECHANIC DISCOVERED THAT THE BRAKE LINE WAS RUSTED AND LEAKING BRAKE FLUID.

  21. Owner complaint2003 GMC YUKON ・ 2012-02-28

    Brake pedal loss of pressure and brake line rupture while braking

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    WHILE TRAVELING ON I-75 NORTH AT THE I-4 EXIT I BRAKE TO SLOW DOWN FOR STOPPED TRAFFIC AHEAD AND THE BRAKE PEDAL WORKED FOR A BRIEF MOMENT BEFORE QUICKLY LOOSING ALL PRESSURE AND GOING TO THE FLOOR.
    Cause
    THE LINES ARE ALL HEAVILY CORRODED AND RUSTED, THEREBY BECOMING BRITTLE AND FAILING UNDER PRESSURE. *TR
    Inspection
    UPON INITIAL INSPECTION IT BECAME OBVIOUS THAT THE BRAKE LINE HAD RUPTURED BEHIND THE FRONT DRIVER SIDE WHEEL.

  22. Owner complaint2003 GMC YUKON DENALI ・ 2011-12-19

    Total brake failure after a long trip

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    TOTAL BRAKE FAILURE AFTER A LONG TRIP.
    Cause
    *TR THE CONSUMER STATED THE BRAKE FAILURE WAS A RESULT OF RUSTED BRAKE LINES.

  23. Owner complaint2003 GMC YUKON DENALI ・ 2010-04-28

    Brake lines corroded causing brake failure at 12K miles

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Brake pipe (brake line) corrosion and rupture

      Confirm

      • In the joint inspections, scaling or flaking corrosion was taken as indicating the onset of metal loss and given the second lowest ranking (2); a leaking or previously repaired pipe was the lowest (1).

      Repair

      1. GM recommends replacing the entire set of pipes whenever any pipe leaks or is corroded enough to need replacement.
      2. On June 28, 2013 GM released 66 new part numbers for servicing brake pipes in 1999-2007 GMT800 pickups and utility vehicles.

      Caution

      • Analysis of repair records indicates that consumers often elect to repair only the failed circuit.
    Read the sentences of the record
    Fault
    IT SEEMS LIKE THE WHOLE UNDERCARRIAGE IS CORRODING.
    Consequence
    NO ACCIDENT,NO INJURIES .

Known issuesHVAC blower motor resistor module / connector overheating1

  1. Recall2003–2006 GMC YUKON ・ 2011-02-21

    HVAC Blower Motor Resistor Module Overheating

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      HVAC blower motor resistor module / connector overheating

      Repair

      1. Dealers install a new blower motor resistor and resistor module connector.
      2. Cut the wires back far enough to remove any melted insulation.

      Caution

      • The connector must be replaced even if it was replaced in an earlier repair.
    Read the sentences of the record
    Cause
    On certain vehicles, the interface between the electrical terminals of the Heating, Ventilation, and Air Conditioning (HVAC) blower relay resistor module and the wiring connector (which powers the module) may be incapable of conducting higher current levels for sustained periods of operation. In addition, moisture and other contaminants (such as road de-icing materials) may enter the fresh air intake plenum and contact the internal circuit of the module or corrode the terminals. These conditions may cause the relay resistor module or wiring connector to overheat, causing various symptoms such as: the HVAC blower may not function on certain or all blower speed settings; a burning-plastic smell or smoke may be present in the vehicle, or; the HVAC blower may run continually with the ignition in the OFF position. These warning signs could, in certain instances, be leading indicators of an impending vehicle fire, which could result in property damage and/or personal injury. Correction: Owners will be provided with additional warranty coverage for the blower motor resistor module/wiring connector overheating condition. Under this "special warranty coverage", should this condition occur within 10 years or 240,000 km from first vehicle registration, dealers will install a replacement blower motor resistor and resistor module connector.

EQUIPMENT3

  1. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2021-04-26

    Aluminum Wheel Refinishing Service Bulletin

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed. Evaluating Damage In evaluating damage, it is the GM Dealer's responsibility to inspect the wheel for corrosion, scrapes, gouges, etc. The Dealer must insure that such damage is not deeper than what can be sanded or polished off. The wheel must be inspected for cracks. If cracks are found, discard the wheel. Any wheels with bent rim flanges must not be repaired or refinished. Wheels that have been refinished by an outside company must be returned to the same vehicle. The Dealer must record the wheel ID stamp or the cast date on the wheel in order to assure this requirement. Refer to Refinisher's Responsibility — Outside Company later in this bulletin.

    Read the sentences of the record
    Remedy
    Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed. Evaluating Damage In evaluating damage, it is the GM Dealer's responsibility to inspect the wheel for corrosion, scrapes, gouges, etc. The Dealer must insure that such damage is not deeper than what can be sanded or polished off. The wheel must be inspected for cracks. If cracks are found, discard the wheel. Any wheels with bent rim flanges must not be repaired or refinished. Wheels that have been refinished by an outside company must be returned to the same vehicle. The Dealer must record the wheel ID stamp or the cast date on the wheel in order to assure this requirement. Refer to Refinisher's Responsibility — Outside Company later in this bulletin.

  2. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2021-04-26

    Aluminum Wheel Refinishing Guidelines

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed. Evaluating Damage In evaluating damage, it is the GM Dealer's responsibility to inspect the wheel for corrosion, scrapes, gouges, etc. The Dealer must insure that such damage is not deeper than what can be sanded or polished off. The wheel must be inspected for cracks. If cracks are found, discard the wheel. Any wheels with bent rim flanges must not be repaired or refinished. Wheels that have been refinished by an outside company must be returned to the same vehicle. The Dealer must record the wheel ID stamp or the cast date on the wheel in order to assure this requirement. Refer to Refinisher's Responsibility — Outside Company later in this bulletin.

    Read the sentences of the record
    Remedy
    Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed. Evaluating Damage In evaluating damage, it is the GM Dealer's responsibility to inspect the wheel for corrosion, scrapes, gouges, etc. The Dealer must insure that such damage is not deeper than what can be sanded or polished off. The wheel must be inspected for cracks. If cracks are found, discard the wheel. Any wheels with bent rim flanges must not be repaired or refinished. Wheels that have been refinished by an outside company must be returned to the same vehicle. The Dealer must record the wheel ID stamp or the cast date on the wheel in order to assure this requirement. Refer to Refinisher's Responsibility — Outside Company later in this bulletin.

  3. Manufacturer communication2003–2006 GMC YUKON DENALI ・ 2018-06-04

    Informational Bulletin Revision for 2010-2013 Model Years

    1. 1Fault

      • For hem flange corrosion, Kent Moore tool J-46162 makes it easier to open the hem flange.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Repair

      1. Fit the tool from kit J-46162 into an air impact gun and open the hem flange starting at one end.
      2. Clean out the corrosion by sand blasting or with a 3M Strip Disc, P/N 07460.
      3. Apply anticorrosion primer to the hem flange, then a bead of LORD FUSOR adhesive, P/N 108B or 109B.
      4. Close the hem flange with the tool in the kit and clean off the excess adhesive from the repair area.
      5. Finally prime and refinish the area as required.

      Caution

      • If perforation is present, replace the affected panel.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：2013 and prior GM passenger cars and trucks.
    • Condition：For hem flange corrosion, Kent Moore tool J-46162 makes it easier to open the hem flange.
    • Repair：Fit the tool from kit J-46162 into an air impact gun and open the hem flange starting at one end.
    • Repair：Clean out the corrosion by sand blasting or with a 3M Strip Disc, P/N 07460.
    • Caution：If perforation is present, replace the affected panel.
    • Repair：Apply anticorrosion primer to the hem flange, then a bead of LORD FUSOR adhesive, P/N 108B or 109B.
    • Repair：Close the hem flange with the tool in the kit and clean off the excess adhesive from the repair area.
    • Repair：Finally prime and refinish the area as required.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This informational bulletin provides a revision for 02-08-98-002C to add the 2010-2013 model years and revise the Approved Refinish Materials booklet information.

EQUIPMENT ADAPTIVE/MOBILITY2

  1. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2021-04-26

    Underbody Component Corrosion Guidance

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the component is constructed of an aluminum alloy.

    Read the sentences of the record
    Remedy
    Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the component is constructed of an aluminum alloy.

  2. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2021-04-26

    Underbody Component Corrosion Information

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the component is constructed of an aluminum alloy.

    Read the sentences of the record
    Remedy
    Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the component is constructed of an aluminum alloy.

SERVICE BRAKES2

  1. Owner complaint2003 GMC YUKON ・ 2015-10-14

    ABS activation and acceleration hesitation occurring every drive

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

    Read the sentences of the record
    Fault
    IT OCCURS EVERY TIME I DRIVE MY CAR, EVERY TIME I ACCELERATE AND BRAKE. (2 more)
    Cause
    APPARENTLY, THIS IS CAUSED BY A CORRODED MOUNTING SURFACE FOR THE FRONT WHEEL SPEED SENSORS. (2 more)
    Consequence
    HAZARD:THIS CAN CAUSE INCREASED STOPPING DISTANCES DURING LOW-SPEED BRAKE APPLICATIONS, WHICH COULD RESULT IN A CRASH.

  2. Owner complaint2003 GMC YUKON ・ 2016-08-14

    Total brake failure while stationary in driveway

    1. 1Fault

    2. 2Finding the cause

      SUSPECT BRAKE LINE CORROSION.

    3. 3Correction

      Not stated

    Read the sentences of the record
    Fault
    TOTAL BRAKE FAILURE WHILE STATIONARY AND ENGAGING DRIVE MODE IN DRIVEWAY. (1 more)
    Cause
    SUSPECT BRAKE LINE CORROSION.
    Inspection
    RECENT TIRE/BRAKE/ALIGNMENT INSPECTION REVEALED NO ISSUES.

STRUCTURE2

  1. Owner complaint2003 GMC YUKON ・ 2015-09-30

    Right front fender rust and paint bubbling

    1. 1Fault

    2. 2Finding the cause

    3. 3CorrectionNot repaired

      THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED.

    Read the sentences of the record
    Fault
    THE CONTACT STATED THAT THE RIGHT FRONT FENDER OF THE VEHICLE WAS RUSTED. (1 more)
    Remedy
    THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED.

  2. Manufacturer communication2003–2006 GMC YUKON DENALI ・ 2011-05-26

    Frame Corrosion on Some Truck Models

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      GM: ON SOME TRUCK MODELS THERE IS SOME FRAME CORROSION. *RM UPDATED ON 5/2/2012. *KB

    Read the sentences of the record
    Remedy
    GM: ON SOME TRUCK MODELS THERE IS SOME FRAME CORROSION. *RM UPDATED ON 5/2/2012. *KB

ELECTRICAL SYSTEM1

  1. Manufacturer communication2002–2006 GMC YUKON DENALI ・ 2019-07-29(1 earlier editions of this document folded here)

    Electrical Ground Repair with Conductive Fasteners

    1. 1Fault

      • Loose, stripped or corroded ground connections increase the possibility of improper system function and loss of module communication, and may lead to unnecessary repairs and component replacement.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Repair

      1. M6 weld stud: select a location next to the damaged or missing M6 ground stud with 20 mm (0.79 in) clearance behind the panel and 20 mm (0.79 in) clearance around the M6 conductive rivet stud flange.
      2. Drill a 10 mm (0.40 in) diameter hole through the panel.
      3. Remove paint and primer from the area around the 10 mm (0.40 in) hole until bare metal is visible.
      4. With a small brush apply Dielectric Lubricant GM P/N 12377900 (Canadian P/N 10953529) to the threads of the M6 conductive rivet stud.
      5. Install the M6 conductive nut on the rivet stud and tighten to 71 lb in (= 8.02 N·m).

      Part numbers printed in the document

      The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.

      3 more points

      Parts

      • Approved fasteners: 11561645 M6 nut, 11570340 M6 rivet stud, 11588564 M8 bolt, 11609412 M8 nut, 11609538 M7 bolt (self-threading), 11609669 M6 bolt.

      Part numbers printed in the document

      The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.

      Caution

      • Use only the GM-approved replacement fasteners with conductive finish for electrical ground repair.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2020 and prior GM passenger cars and trucks, including Medium Duty and Heavy Duty.
    • Condition：Loose, stripped or corroded ground connections increase the possibility of improper system function and loss of module communication, and may lead to unnecessary repairs and component replacement.
    • Caution：Use only the GM-approved replacement fasteners with conductive finish for electrical ground repair.
    • Repair：M6 weld stud: select a location next to the damaged or missing M6 ground stud with 20 mm (0.79 in) clearance behind the panel and 20 mm (0.79 in) clearance around the M6 conductive rivet stud flange.
    • Repair：Drill a 10 mm (0.40 in) diameter hole through the panel.
    • Repair：Remove paint and primer from the area around the 10 mm (0.40 in) hole until bare metal is visible.
    • Repair：With a small brush apply Dielectric Lubricant GM P/N 12377900 (Canadian P/N 10953529) to the threads of the M6 conductive rivet stud.
    • Repair：Install the M6 conductive nut on the rivet stud and tighten to 71 lb in (= 8.02 N·m).
    • Repair：If the M6 weld nut at the ground location is damaged or stripped, a M7 conductive self-threading bolt may be used to secure the ground wire terminal.
    • Repair：Install the M7 conductive self-threading bolt and tighten to 80 lb in (= 9.04 N·m).
    • Repair：Install the M8 conductive nut on the bolt and tighten to 16 lb ft (= 21.7 N·m).
    • Parts：Approved fasteners: 11561645 M6 nut, 11570340 M6 rivet stud, 11588564 M8 bolt, 11609412 M8 nut, 11609538 M7 bolt (self-threading), 11609669 M6 bolt.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.

WHEELS1

  1. Manufacturer communication2001–2006 GMC YUKON DENALI ・ 2018-04-23

    Chromed Aluminum Wheels Chemical Staining and Corrosion

    1. 1Fault

    2. 2Finding the cause

      Possible causes

      • Chemical staining mostly results from acid based cleaners; the stains are frequently milky, black or greenish.
      • A second type of staining comes from road chemicals such as calcium chloride used for dust control on unpaved roads, and looks like small pitting.
      • A third type results from prolonged exposure to brake dust that penetrates the chrome.
      • If the brake material sits on the wheel while exposed to moisture or salt, it corrodes the wheel beneath the chrome and leaves a pit or small blister.

    3. 3Correction

      Repair

      1. Remove heavy brake dust build-up with GM Chrome Cleaner and Polish, P/N 1050173 (in Canada 10953013).
      2. For milky stains from acidic cleaners, after washing and drying apply 3M Chrome and Metal Polish #39527 with a clean terry cloth towel; the staining diminishes as it is applied.

      Caution

      • Do not use cleaning solutions containing hydrofluoric, oxalic and most other acids on chrome wheels or any wheels.
      • Any wheel cleaner must be thoroughly rinsed off the wheel with clean, clear water.
      • Stained wheels are not warrantable; most acid based cleaners permanently stain chrome wheels.
      • This polish reduces the thickness of the chrome plating and, if used incorrectly or excessively, may remove it altogether, exposing a less bright, brassy coloured sub-layer.
      • For spotting from road chemicals the procedure may marginally improve the condition but will not restore the finish or remove the pitting.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2013 and prior GM passenger cars and trucks.
    • Cause：Chemical staining mostly results from acid based cleaners; the stains are frequently milky, black or greenish.
    • Caution：Do not use cleaning solutions containing hydrofluoric, oxalic and most other acids on chrome wheels or any wheels.
    • Caution：Any wheel cleaner must be thoroughly rinsed off the wheel with clean, clear water.
    • Caution：Stained wheels are not warrantable; most acid based cleaners permanently stain chrome wheels.
    • Cause：A second type of staining comes from road chemicals such as calcium chloride used for dust control on unpaved roads, and looks like small pitting.
    • Cause：A third type results from prolonged exposure to brake dust that penetrates the chrome.
    • Cause：If the brake material sits on the wheel while exposed to moisture or salt, it corrodes the wheel beneath the chrome and leaves a pit or small blister.
    • Repair：Remove heavy brake dust build-up with GM Chrome Cleaner and Polish, P/N 1050173 (in Canada 10953013).
    • Repair：For milky stains from acidic cleaners, after washing and drying apply 3M Chrome and Metal Polish #39527 with a clean terry cloth towel; the staining diminishes as it is applied.
    • Caution：This polish reduces the thickness of the chrome plating and, if used incorrectly or excessively, may remove it altogether, exposing a less bright, brassy coloured sub-layer.
    • Caution：For spotting from road chemicals the procedure may marginally improve the condition but will not restore the finish or remove the pitting.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This informational bulletin provides information on the appearance of chromed aluminum wheels due to chemical staining, pitting corrosion and/or spotted.

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