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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 366 (FRONT DRIVE AXLE)REPAIR INSTRUCTIONSINNER AXLE SHAFT SHIM ADJUSTMENTALTERNATE ADJUSTMENT METHOD
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Alternate Adjustment Method

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Alternate Adjustment Method
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    IMPORTANT: Use this method only if the proper tools for calculating the shim size are unavailable.
  1. Install the original shim to the shaft.

    Use the chassis grease in order to hold the shim in place.

  2. Install the inner axle housing assembly to the differential carrier case.

    Do not use sealer at this time.

    3. NOTE: Refer to Fastener Notice .
  3. Install the bolts.

    Tighten:  Tighten the bolts to 40 N.m (30 lb ft).

    4. Fig 1: Measuring Shaft End
    GM206841Courtesy of GENERAL MOTORS CORP.
  4. Measure the shaft end play using the following procedure:
    1. Install the J 8001  or the equivalent on the axle tube end.

      The plunger of the indicator must be at a right angle to the axle flange.

    2. Move the shaft back and forth and read the end play.

      The correct end play is 0.03-0.51 mm (0.001-0.020 in).

    3. If the end play is incorrect, install a thicker or thinner shim as needed in order to bring the end play into the specified range.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.