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GMC Yukon XL 2000–2006

GMC Yukon XLModel years 2000–2006

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2 conditions added

Common on this vehicle:Liftgate, rear glass or door lockLeakNoiseCorrosion or rustSeat or seat heaterVibration or shudderPower windowAir conditioning or heater

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1 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.

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

  1. Manufacturer communication2000–2006 GMC YUKON XL ・ 2017-08-15

    Vehicle Lean Preliminary Information

    1. 1Fault

      • The procedure is for customer complaints of the vehicle leaning left or right, whether the lean appears in the front, the rear, or both ends.

    2. 2Finding the cause

      Steps to confirm (in the document’s order)

      1. Measure the fender wheel-opening heights, front and rear, to quantify the lean.
      2. P height and R height are each the distance from the ground to the highest point of the wheel opening, measured through the center of the wheel.
      3. If the left-to-right difference in P and/or R height is 1/2 inch (12 mm) or less, no repairs are suggested because the vehicle is within specification; if it exceeds 1/2 inch (12 mm), follow one of the three diagnostics.

    3. 3Correction

      Repair

      1. Generally the stance can be adjusted with the torsion bar adjuster bolts.
      2. If Z height is out of spec and the D height difference is greater than 1/2 (12 mm), adjust Z height until it is within spec and the P and R height differences are less than 1/2 inch (12 mm).
      3. If adjustment is not possible, check the front eye of the rear leaf springs for matching color-coded tape or paint; if the two sides differ, switch the springs side to side, and if they match, replace the leaf spring on the lower side only.
      4. After all adjustments are done, perform a front-end alignment and check headlight aim.

      Caution

      • Before measuring, set the tire pressures to the pressure shown on the certification label.
      • Before measuring, check the fuel level and add weight if necessary to simulate a full tank.
      • The P and R heights are not set at the factory, and no specification is given for them.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：The model list includes the 1999 - 2006 GMC Yukon, Yukon XL, Yukon Denali and Yukon Denali XL.
    • Applies to：It applies to vehicles with torsion bar front suspension.
    • Condition：The procedure is for customer complaints of the vehicle leaning left or right, whether the lean appears in the front, the rear, or both ends.
    • Confirm：Measure the fender wheel-opening heights, front and rear, to quantify the lean.
    • Confirm：P height and R height are each the distance from the ground to the highest point of the wheel opening, measured through the center of the wheel.
    • Caution：Before measuring, set the tire pressures to the pressure shown on the certification label.
    • Caution：Before measuring, check the fuel level and add weight if necessary to simulate a full tank.
    • Confirm：If the left-to-right difference in P and/or R height is 1/2 inch (12 mm) or less, no repairs are suggested because the vehicle is within specification; if it exceeds 1/2 inch (12 mm), follow one of the three diagnostics.
    • Repair：Generally the stance can be adjusted with the torsion bar adjuster bolts.
    • Repair：If Z height is out of spec and the D height difference is greater than 1/2 (12 mm), adjust Z height until it is within spec and the P and R height differences are less than 1/2 inch (12 mm).
    • Repair：If adjustment is not possible, check the front eye of the rear leaf springs for matching color-coded tape or paint; if the two sides differ, switch the springs side to side, and if they match, replace the leaf spring on the lower side only.
    • Repair：After all adjustments are done, perform a front-end alignment and check headlight aim.
    • Caution：The P and R heights are not set at the factory, and no specification is given for them.

    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.