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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1331 (Rear Drive Axle) >> Repair Instructions >> Rear Axle Housing Replacement (With Rear Drum) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the pinion bearing cups. Refer to Differential Drive Pinion Gear Bearing Replacement (8.6, 9.5, 11.5 Inch Axle)  or 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 (8.6, 9.5/9.5 LD and 11.5 Inch Axles)  or Pinion Depth Adjustment (10.5 Inch Axle) .
  4. Install the inner pinion bearing onto the drive pinion. Refer to Differential Drive Pinion Gear Bearing Replacement (8.6, 9.5, 11.5 Inch Axle)  or Differential Drive Pinion Gear Bearing Replacement (10.5 Inch Axle) .
  5. Install the drive pinion. Refer to Drive Pinion and Ring Gear Replacement (8.6, 9.5/9.5 LD, and 11.5 Inch Axles)  or Drive Pinion and Ring Gear Replacement (10.5 Inch Axle) .
  6. Install the pinion yoke. Refer to Drive Pinion Flange/Yoke and/or Oil Seal Replacement .
  7. Install the differential assembly. Refer to Drive Pinion and Ring Gear Replacement (8.6, 9.5/9.5 LD, and 11.5 Inch Axles)  or Drive Pinion and Ring Gear Replacement (10.5 Inch Axle) .
  8. Adjust the differential side bearing preload. Refer to Differential Carrier Bearing Preload Adjustment (8.6 Inch Axle)  or Differential Carrier Bearing Preload Adjustment (10.5/11.5 Inch Axles)  or Differential Carrier Bearing Preload Adjustment (9.5LD Inch Axle) .
  9. Adjust the drive pinion to ring gear backlash. Refer to Backlash Adjustment (8.6 Inch Axle)  or Backlash Adjustment (10.5/11.5 Inch Axle)  or Backlash Adjustment (9.5 LD Axle) .
  10. Perform a gear tooth contact pattern check. Refer to Gear Tooth Contact Pattern Inspection .
  11. Install the rear axle shaft oil seals and bearings. Refer to Rear Axle Shaft Seal and/or Bearing Replacement .
    12. Fig 1: View Of Rear Brake Assemblies
    GM1483220Courtesy of GENERAL MOTORS CORP.
  12. Install the rear brake assemblies.
    13. CAUTION: Refer to Fastener Caution .
  13. Install the rear brake assembly bolts.

    Tighten:  Tighten the bolts 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)  or Rear Axle Housing Cover and Gasket Replacement (10.5/11.5 Inch Axle) .
  16. Install the rear axle. Refer to Rear Axle Replacement (15 Series With Drum Brakes)  or Rear Axle Replacement (15/25 Series)  or Rear Axle Replacement (35 Series) .
  17. Install the rear wheel speed sensor. Refer to Rear Wheel Speed Sensor Replacement .
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