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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 339 (Rear Drive Axle) >> Repair Instructions >> Rear Axle Housing Replacement (Hybrid) >> Installation Procedure

Installation Procedure

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  1. Install the pinion bearing cups. Refer to Differential Drive Pinion Gear Bearing Replacement (8.6 Inch Axle) , Differential Drive Pinion Gear Bearing Replacement (10.5 Inch Axle) .
  2. Install the drive pinion oil seal. Refer to Drive Pinion Flange/Yoke and/or Oil Seal Replacement .
  3. Determine the selective shim thickness for the drive pinion. Refer to Pinion Depth Adjustment (9.5LD Inch Axle) , Pinion Depth Adjustment (10.5 Inch Axle) , Pinion Depth Adjustment (8.6 Inch Axle) .
  4. Install the inner pinion bearing onto the drive pinion. Refer to Differential Drive Pinion Gear Bearing Replacement (8.6 Inch Axle) , Differential Drive Pinion Gear Bearing Replacement (10.5 Inch Axle) .
  5. Install the drive pinion. Refer to Drive Pinion and Ring Gear Replacement (10.5 Inch Axle) , Drive Pinion and Ring Gear Replacement (8.6, 9.5LD Inch Axles) .
  6. Install the pinion yoke. Refer to Drive Pinion Flange/Yoke and/or Oil Seal Replacement .
  7. Install the differential assembly. Refer to Differential Replacement (10.5 Inch Axle) , Differential Replacement (8.6, 9.5/9.5 LD Inch Axles) .
  8. Adjust the differential side bearing preload. Refer to Differential Carrier Bearing Preload Adjustment (8.6 Inch Axle) , Differential Carrier Bearing Preload Adjustment (9.5LD Inch Axle) , Differential Carrier Bearing Preload Adjustment (10.5 Inch Axle) .
  9. Adjust the drive pinion to ring gear backlash. Refer to Backlash Adjustment (10.5 Inch Axle) , Backlash Adjustment (9.5 LD Axle) , Backlash Adjustment (8.6 Inch Axle) .
  10. Perform a gear tooth contact pattern check. Refer to Gear Tooth Contact Pattern Inspection .
    11. Fig 1: Rear Brake Assemblies
    GM1483220Courtesy of GENERAL MOTORS CORP.
  11. Install the rear axle shaft oil seals and bearings (3). Refer to Rear Axle Shaft Seal and/or Bearing Replacement .
  12. Install the rear brake assemblies (1).
    13. CAUTION:

    Refer to Fastener Caution .

  13. Install the rear brake assembly bolts (2) and tighten to 135 N.m (100 lb ft).
  14. Install the axle shafts. Refer to Rear Axle Shaft Replacement .
  15. Install the rear axle cover housing and gasket. Refer to Rear Axle Housing Cover and Gasket Replacement (8.6, 9.5 Inch Axles) , Rear Axle Housing Cover and Gasket Replacement (10.5 Inch Axle) .
  16. Install the rear axle. Refer to Rear Axle Replacement (10.5 Inch Axle) , Rear Axle Replacement (8.6, 9.5LD Inch Axles) .
  17. Install the rear wheel speed sensor. Refer to Rear Wheel Speed Sensor Replacement .
  18. Install the rear wheel speed sensor ring. Refer to Rear Wheel Speed Sensor Ring Replacement .
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