Removal Procedure
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- Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
- Drain the differential carrier assembly. Refer to Front Axle Lubricant Replacement .
- Remove the right side seal and/or bearing by performing the following steps:
- Remove the inner axle shaft and housing assembly from the differential carrier case assembly. Refer to Front Drive Axle Inner Shaft and Inner Shaft Housing Replacement (8.25 S4WD and 9.25 Axles) or Front Drive Axle Inner Shaft and Inner Shaft Housing Replacement (8.25 F4WD) .
- Remove the clutch fork assembly components and the inner axle shaft from the inner axle shaft housing. Refer to Front Drive Axle Inner Shaft and Inner Shaft Housing Replacement (8.25 S4WD and 9.25 Axles) or Front Drive Axle Inner Shaft and Inner Shaft Housing Replacement (8.25 F4WD) .
- Install the inner axle shaft housing into a vise.
Clamp only on the mounting flange of the inner axle shaft housing.
- Install the J 29369-1 , 8. See Special Tools .25 inch axle, or the J 29369-2 , 9. See Special Tools .25 inch axle, behind the inner axle shaft seal or the inner axle shaft bearing as necessary.
- Install the J 2619-01 (2) to the J 29369-1 or the J 29369-2 (1). See Special Tools .
- Remove the inner axle shaft seal and/or the inner axle shaft bearing using the J 2619-01 .
Fig 1: Removing The Inner Axle Shaft Seal And/Or The Inner Axle Shaft Bearing Usingj 29369-2 & J 2619-01Courtesy of GENERAL MOTORS CORP.
- If only replacing the left side seal, perform the following steps:
- Place an alignment mark between the inner axle shaft and the wheel drive shaft.
- If servicing the 8.25 inch axle, remove the shock module. Refer to Shock Absorber and Spring Assembly Replacement .
- Disconnect the wheel drive shaft from the inner axle shaft.
- Remove the inner axle shaft using a hammer and a brass drift.
- Remove the inner axle shaft seal using a suitable seal remover tool.
- If replacing both the left side seal and bearing, perform the following steps:
- Remove the differential carrier assembly. Refer to Differential Carrier Assembly Replacement (8.25 inch) or Differential Carrier Assembly Replacement (9.25 inch) .
- Place the differential carrier assembly into a vise.
Clamp only on the mounting flange of the differential carrier assembly case.
- Remove the inner axle shaft using a hammer and a brass drift.
- Install the J 29369-1 , 8. See Special Tools .25 inch axle, or the J 29369-2 , 9. See Special Tools .25 inch axle (1), behind the inner axle shaft seal or the inner axle shaft bearing as necessary.
- Install the J 2619-01 (2) to the J 29369-1 or the J 29369-2 . See Special Tools .
- Remove the inner axle shaft seal and/or the inner axle shaft bearing using the J 2619-01 .
IMPORTANT:
Support the wheel drive shaft in order to not over flex the CV joint.