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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 214 (Rear Drive Axle) >> Repair Instructions >> Differential Carrier Bearing Preload Adjustment (8.6 Inch Axle) >> Shim Method >> Tools Required

Tools Required

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J 25588  Side Bearing Shim Installer. See Special Tools .

IMPORTANT:
  • The differential side bearings must have preload before the backlash adjustment can be started.
  • In order to maintain the original backlash, adjust the differential case side bearing preload by changing the thickness of the left and the right side shim packs equally.
  • Measure the service shims and the service spacers one at a time. Add the measurements together in order to obtain the total thickness of the left or the right side shim pack.
  • Do not use or reuse the original cast iron production shims. Use service shims and service spacers instead.
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