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GMC Yukon 2000–2006

GMC YukonModel years 2000–2006

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2 conditions added

Common on this vehicle:Vibration or shudderTyre failure (blowout, tread separation)NoiseWarning lightCorrosion or rustLeakAir conditioning or heaterABS activates (at low speed and the like)

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3 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

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 (2)

Known issuesVehicle body tilt or lean left / right (torsion bar front suspension)1

  1. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2019-04-08(1 earlier editions of this document folded here)

    Vehicle Lean Adjustment Preliminary Information

    1. 1Fault

      • The procedure is for diagnosing and correcting complaints of the vehicle leaning left or right.

    2. 2Finding the cause

      Steps to confirm (in the document’s order)

      1. Measure fender wheel-opening heights, front and rear, to quantify vehicle lean.
      2. The front wheel-opening height is known as P height, and the rear wheel-opening height is known as R height.
      3. P height and R height are the distance from the ground to the highest point on the wheel-opening, going through the center of the wheel.
      4. Before measuring, make sure the vehicle is on a level surface, such as an alignment rack.
      5. Before measuring, check the fuel level and add weight if necessary to simulate a full tank.
      1 more points

    3. 3Correction

      Repair

      1. If Z height is out of spec and the D height delta is greater than 1/2 inch (12 mm), adjust Z height until it is within spec and the P and R height deltas are less than 1/2 inch (12 mm).
      2. If adjustment is not possible, check the front eye of the rear leaf spring for matching color-coded tape or paint; both sides should be the same color. If not, switch springs side to side; if so, replace the leaf spring on the lower side only.
      3. If this is not possible, shim the body and/or pick-up box until the P and R height deltas are less than 1/2 inch (12 mm).
      4. After all adjustments are done, perform a front-end alignment and check headlight aim.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to GMC Yukon models, 1999 - 2006.
    • Applies to：Applies to vehicles with torsion bar front suspension.
    • Condition：The procedure is for diagnosing and correcting complaints of the vehicle leaning left or right.
    • Confirm：Measure fender wheel-opening heights, front and rear, to quantify vehicle lean.
    • Confirm：The front wheel-opening height is known as P height, and the rear wheel-opening height is known as R height.
    • Confirm：P height and R height are the distance from the ground to the highest point on the wheel-opening, going through the center of the wheel.
    • Confirm：Before measuring, make sure the vehicle is on a level surface, such as an alignment rack.
    • Confirm：Before measuring, check the fuel level and add weight if necessary to simulate a full tank.
    • Confirm：Check Z height and D height; see Trim Height Inspection Procedure.
    • Repair：If Z height is out of spec and the D height delta is greater than 1/2 inch (12 mm), adjust Z height until it is within spec and the P and R height deltas are less than 1/2 inch (12 mm).
    • Repair：If adjustment is not possible, check the front eye of the rear leaf spring for matching color-coded tape or paint; both sides should be the same color. If not, switch springs side to side; if so, replace the leaf spring on the lower side only.
    • Repair：If this is not possible, shim the body and/or pick-up box until the P and R height deltas are less than 1/2 inch (12 mm).
    • Repair：After all adjustments are done, perform a front-end alignment and check headlight aim.

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

    Remedy
    This Preliminary Information communication provides information to the technician about vehicles that have a lean to the left or right. Technician will need to measure fender wheel-opening heights, front and rear, to quantify vehicle lean. Fender wheel-opening heights are related to, but distinct from, trim height. The front wheel-opening height is known as P height, and the rear wheel-opening height is known as R height. Adjust and heights that are out of specification. After all adjustments are done, perform a front-end alignment and check headlight aim.

TIRES1

  1. Owner complaint2001 GMC YUKON ・ 2005-02-21

    Tire tread separation and vehicle damage after blowout

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

    Read the sentences of the record
    Consequence
    AS A RESULT OF THIS, THE LOOSE TREAD WAS "SLAPPING" EVERY PART OF THE VEHICLE IN THE SURROUNDING AREA CAUSING OVER $4,000 WORTH OF DAMAGE, INCLUDING, BODY DAMAGE, TAILPIPE DAMAGE, ELECTRICAL WIRES CUT, A/C LINES CUT, TAIL LIGHT SEVERED, RUNNING BOARDS BROKEN AND MORE.

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