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Home >> Chevy Truck >> 2004 >> Suburban 1/2 Ton 4WD V8-5.3L VIN T >> Repair and Diagnosis >> Transmission and Drivetrain >> Differential Assembly >> Seals and Gaskets >> Service and Repair >> Front Drive Axle >> Inner Axle Seal and/or Bearing Replacement

Inner Axle Seal and/or Bearing Replacement

Inner Axle Seal and/or Bearing Replacement - Front Drive Axle
^ Tools Required
- J 8092 Universal Driver Handle - 3/4 in - 10
- J 22833 Housing Drive Gear Seal Installer (9.25 inch axle)
- J 2619-01 Slide Hammer
- J 29369-1 Bushing and Bearing Remover
- J 29369-2 Bushing and Bearing Remover (2-3 inch)
- J 36600 Output Shaft Seal Installer (8.25 inch axle)
- J 36609 Axle Tube Bearing Installer

Removal Procedure





1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Drain the differential carrier assembly. Refer to Lubricant Replacement - Front Drive Axle.
3. If replacing the right side seal and/or bearing, perform the following steps:
3.1. Remove the inner axle shaft and housing assembly from the differential carrier case assembly. Refer to Inner Shaft and/or Housing Replacement - Front Drive Axle (8.25 S4WD and 9.25 Axles) or Inner Shaft and/or Housing Replacement -Front Drive Axle (8.25 F4WD Axle).
3.2. Remove the clutch fork assembly components and the inner axle shaft from the inner axle shaft housing. Refer to Inner Shaft and/or Housing Replacement -Front Drive Axle (8.25 S4WD and 9.25 Axles) or Inner Shaft and/or Housing Replacement - Front Drive Axle (8.25 F4WD Axle).
3.3. Install the inner axle shaft housing into a vise. Clamp only on the mounting flange of the inner axle shaft housing.
3.4. Install the J 29369-1, 8.25 inch axle, or the J29369-2, 9.25 inch axle, behind the inner axle shaft seal or the inner axle shaft bearing as necessary.
3.5. Install the J2619-01 (2) to the J29369-1 or the J 29369-2 (1).
3.6. Remove the inner axle shaft seal and/or the inner axle shaft bearing using the J 2619-01.





4. If replacing the left side seal and/or bearing, perform the following steps:
4.1. Remove the differential carrier assembly. Refer to Differential Carrier Assembly Replacement6.
4.2. Place the differential carrier assembly into a vise.
Clamp only on the mounting flange of the differential carrier assembly case.
4.3. Remove the inner axle shaft using a hammer and a brass drift.
4.4. Install the J29369-1, 8.25 inch axle, or the J 29369-2, 9.25 inch axle (1), behind the inner axle shaft seal or the inner axle shaft bearing as necessary.
4.5. Install the J2619-01 (2) to the J29369-1 or the J 29369-2.
4.6. Remove the inner axle shaft seal and/or the inner axle shaft bearing using the J 2619-01.

Installation Procedure





1. If installing the right side bearing, perform the following steps
1.1. Install the inner axle shaft housing into a vise.
Clamp only on the mounting flange of the inner axle shaft housing.
1.2. Install the bearing with the square shoulder in using the J 36609 (1) and the J 8092 (2).





2. If installing the right side inner axle shaft seal, perform the following steps:
2.1. Install the inner axle shaft housing into a vise.
Clamp only on the mounting flange of the inner axle shaft housing.
2.2. Install the new axle shaft seal using the J 36600, 8.25 inch axle, or the J 22833, 9.25 inch axle.
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 clutch fork assembly components. Refer to Inner Shaft and/or Housing Replacement - Front Drive Axle (8.25 S4WD and 9.25 Axles) or Inner Shaft and/or Housing Replacement - Front Drive Axle (8.25 F4 WD Axle).
5. Install the inner axle shaft and housing assembly to the differential carrier case assembly. Refer to Inner Shaft and/or Housing Replacement -Front Drive Axle (8.25 S4WD and 9.25 Axles) or Inner Shaft and/or Housing Replacement - Front Drive Axle (8.25 F4WD Axle).





6. If installing the left side bearing and/or seal, perform the following steps:
6.1. Install the bearing with the square shoulder in using the J 36609 (1) and the J 8092 (2).
6.2. Install the new axle shaft seal using the J 36600, 8.25 inch axle, or the J 22833, 9.25 inch axle.
6.3. 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.
6.4. Pull back on the inner axle shaft to ensure that the inner axle shaft is properly retained in the differential case side gear.
6.5. Install the front differential carrier assembly. Refer to Differential Carrier Assembly Replacement.
7. Fill the differential carrier assembly. Use the proper fluid. Refer to Lubricant Replacement -Front Drive Axle.
8. Lower the vehicle.
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