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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 900 (Rear Drive Axle) >> Repair Instructions >> Rear Axle Housing Replacement (w/Rear Drum) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Pinion Bearing Cups
    GM1483228Courtesy of GENERAL MOTORS CORP.
  1. Install the pinion bearing cups. Refer to Drive Pinion Bearings Replacement (8.6, 9.5/9.5LD, and 11.5 Inch Axles) .
  2. Install the outer pinion bearing into the axle housing.
  3. Install the drive pinion oil seal. Refer to Drive Pinion Flange/Yoke and/or Oil Seal Replacement (All Except 9.75 Inch Axle)  or Drive Pinion Flange/Yoke and/or Oil Seal Replacement (8.6 Inch Axle w/Drum Brakes) .
  4. Determine the selective shim thickness for the drive pinion. Refer to Pinion Depth Adjustment (8.6, 9.5/9.5LD, and 11.5 Inch Axles)  or Pinion Depth Adjustment (10.5 Inch Axle) .
  5. Install the selective shim onto the drive pinion.
  6. Install the inner pinion bearing onto the drive pinion. Refer to Drive Pinion Bearings Replacement (8.6, 9.5/9.5LD, and 11.5 Inch Axles) .
  7. Install the drive pinion. Refer to Drive Pinion and Ring Gear Replacement (8.6, 9.5/9.5LD, and 11.5 Inch Axles)  or Drive Pinion and Ring Gear Replacement (10.5 Inch Axle) .
    8. Fig 2: Drive Pinion Shaft Yoke & Oil Seal
    GM1483226Courtesy of GENERAL MOTORS CORP.
  8. Install the pinion yoke. Refer to Drive Pinion Flange/Yoke and/or Oil Seal Replacement (All Except 9.75 Inch Axle)  or Drive Pinion Flange/Yoke and/or Oil Seal Replacement (8.6 Inch Axle w/Drum Brakes) .
  9. Install the differential assembly. Refer to Drive Pinion and Ring Gear Replacement (8.6, 9.5/9.5LD, and 11.5 Inch Axles)  or Drive Pinion and Ring Gear Replacement (10.5 Inch Axle) .
  10. Adjust the differential side bearing preload. Refer to Differential Side Bearing Preload Adjustment (8.6 Inch Axle)  or Differential Side Bearing Preload Adjustment (9.5, and 9.5LD Inch Axles)  or Differential Side Bearing Preload Adjustment (10.5 Inch, 11.5 Inch Axles) .
  11. Adjust the drive pinion to ring gear backlash. Refer to Backlash Adjustment (8.6 Inch Axle)  or Backlash Adjustment (9.5 LD Axle)  or Backlash Adjustment (10.5, 11.5 Inch Axles) .
  12. Perform a gear tooth contact pattern check. Refer to Gear Tooth Contact Pattern Inspection .
    13. Fig 3: Rear Axle Shaft Oil Seals & Bearings
    GM1483223Courtesy of GENERAL MOTORS CORP.
  13. Install the rear axle shaft oil seals and bearings. Refer to Rear Axle Shaft Seal and/or Bearing Replacement (w/Rear Disc)  or Rear Axle Shaft Seal and/or Bearing Replacement (w/Rear Drum) .
    14. Fig 4: View Of Rear Brake Assemblies
    GM1483220Courtesy of GENERAL MOTORS CORP.
  14. Install the rear brake assemblies.
    15. NOTE: Refer to Fastener Notice .
  15. Install the rear brake assembly bolts.

    Tighten:  Tighten the bolts to 135 N.m (100 lb ft).

    16. Fig 5: View Of Axle Shafts
    GM1483217Courtesy of GENERAL MOTORS CORP.
  16. Install the axle shafts. Refer to Rear Axle Shaft Replacement (8.6, 9.5/9.5LD Inch Axles)  or Rear Axle Shaft Replacement (8.6 Inch Axle w/Drum Brakes) 
    17. Fig 6: Rear Axle Cover Housing Gasket
    GM1483213Courtesy of GENERAL MOTORS CORP.
  17. Install the rear axle cover housing and gasket. Refer to Rear Axle Housing Cover and Gasket Replacement .
  18. Install the rear axle. Refer to Rear Axle Replacement (15/25 Series)  or Rear Axle Replacement (15 Series with Drum Brakes)  or Rear Axle Replacement (35 Series) .
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