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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1063 (Front Drive Axle) >> Repair Instructions >> Front Drive Axle Inner Shaft Seal and Inner Shaft Bearing Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Installing Side Bearing Using J 36609 & J 8092 - Front Drive Axle
    GM834254Courtesy of GENERAL MOTORS CORP.
  1. Install the right side bearing with the square shoulder in using the J 36609  (1) and the J 8092  (2). See Special Tools .
    2. Fig 2: Installing New Axle Shaft Seal Using J 45225 & J 8092 - Front Drive Axle
    GM1486575Courtesy of GENERAL MOTORS CORP.
  2. Install the new axle shaft seal using the J 45225  (1) and the J 8092  (2). See Special Tools .
  3. Install the inner axle shaft into the inner axle shaft housing.

    Carefully tap the inner axle shaft into place with a soft-faced mallet.

  4. Install the inner axle shaft and clutch fork assembly components into the inner shaft housing. Refer to Front Drive Axle Inner Shaft and Inner Shaft Housing Replacement (8.25 F4WD Axle)  or Front Drive Axle Inner Shaft and Inner Shaft Housing Replacement (8.25 S4WD and 9.25 Axles) .
  5. Install the inner axle shaft and housing assembly to the differential carrier case assembly. Refer to Front Drive Axle Inner Shaft and Inner Shaft Housing Replacement (8.25 F4WD Axle)  or Front Drive Axle Inner Shaft and Inner Shaft Housing Replacement (8.25 S4WD and 9.25 Axles) .
    6. Fig 3: Install Left Side Bearing Using J 36609 & J 8092 - Front Drive Axle
    GM1332722Courtesy of GENERAL MOTORS CORP.
  6. If both the left side bearing and seal was removed, perform the following step. Install the left side bearing with the square shoulder in using the J 36609  (1) and the J 8092  (2). See Special Tools .
    7. Fig 4: Install New Axle Shaft Seal Using J 45225 & J 8092 - Front Drive Axle
    GM1486568Courtesy of GENERAL MOTORS CORP.
  7. If both the left side bearing and seal was removed, perform the following step. Install the new axle shaft seal using the J 45225  (1) and the J 8092  (2). See Special Tools .
  8. If both the left side bearing and seal was removed, perform the following step. Install the inner axle shaft into the differential case side gear using a soft-faced mallet until the retaining ring on the inner axle shaft is fully seated within the groove in the differential case side gear.

    Pull back on the inner axle shaft to ensure that the inner axle shaft is properly retained in the differential case side gear.

  9. If both the left side bearing and seal was removed, perform the following step. Install the front differential carrier assembly. Refer to Differential Carrier Assembly Replacement (1500 FWD)  or Differential Carrier Assembly Replacement (2500 4WD) .
    10. Fig 5: Installing Seal Using J 45225 - Front Drive Axle
    GM1581722Courtesy of GENERAL MOTORS CORP.
  10. If only the left side seal was removed, perform the following step. Install the seal using the J 45225  and a soft-faced mallet. See Special Tools .

    Tap only on the center portion of the J 45225  in order to drive the seal in evenly. See Special Tools .

    11. Fig 6: Axle Shaft Inner Flange - Front Drive Axle
    GM1581721Courtesy of GENERAL MOTORS CORP.
  11. If only the left side seal was removed, perform the following step. Install the inner axle shaft into the differential case side gear using a soft-faced mallet until the retaining ring on the inner axle shaft is fully seated within the groove in the differential case side gear.

    Pull back on the inner axle shaft to ensure that the inner axle shaft is properly retained in the differential case side gear.

  12. If servicing the 8.25 inch axle, install the shock module. Refer to Shock Absorber and Spring Assembly Replacement .
  13. If only the left side seal was removed, perform the following step. Install the wheel drive shaft to the inner axle shaft.
    14. NOTE: Refer to Fastener Notice .
  14. If only the left side seal was removed, perform the following step. Install the wheel drive shaft to the inner axle shaft bolts.

    Tighten:  Tighten the wheel drive shaft to inner axle shaft bolts to 79 N.m (58 lb ft).

  15. Fill the differential carrier assembly. Use the correct fluid. Refer to Front Axle Lubricant Replacement .
  16. Lower the vehicle.
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