Housing Shaft and Housing Replacement.

Inner Axle Housing Shaft and Housing Replacement

^ Tools Required
- J23907 Slide Hammer
- J29369-2 Bushing/Bearing Remover Kit
- J33799 Shift Cable Housing Seal Installer
- J33844 Axle Tube Bearing Installer
- J23911 Shaft Seal Installer
- J33798 Hub Engagement Tool

Removal Procedure
1. Remove the battery and battery tray.
2. Remove the right side wheel drive shaft. Refer to Wheel Drive Shaft Replacement.
3. Remove the wire from the indicator switch.
4. Remove the cable housing and the shift spring.
5. Remove the bolts, nuts, and washers from the axle tube.





6. Remove the remaining two axle shaft upper bolts.

Important: Do not allow the following components to fall out of the carrier assembly or become damaged:
^ The thrust washers
^ The carrier connector
^ The shift fork assembly
^ The sleeve
^ The output shaft

7. Remove the axle shaft and tube by working the shaft and tube around the drive axle.

Disassembly Procedure
1. Remove the axle shaft.
1.1. Hold the tube in a vise by the mounting flange.
1.2. Tap out the shaft using a soft mallet.

2. Remove the shaft seal using a seal removal tool.





3. Remove the bearing using the J29369-2 and the J23907.
4. Remove the shift cable housing seal. Drive out the seal using a punch.
5. Remove the retaining ring and the output shaft.

Assembly Procedure
1. Install the output shaft and the retaining ring.





2. Install the shaft seal using the J33799.
3. Install the shaft bearing using the J33844. The bearing is installed to the proper depth when the tool is flush with the tube end.
4. Lubricate the bearing using axle lubricant. Refer to Fluid and Lubricant Recommendations.





5. Install the seal with the J23911. Drive in the seal until the seal flange is flush with the tube end.
6. Install the axle shaft.
7. Clean the sealing surfaces of the tube and carrier assembly using a suitable solvent.

Installation Procedure
1. Apply a bead of sealer (GM P/N 12345739 or equivalent) to the carrier sealing surface.
2. Ensure that the following components are in place in the carrier assembly:
^ The washer
^ The output shaft
^ The sleeve
^ The thrust washer
^ The carrier connector
^ The shift fork assembly
^ The shifter spring





3. Install the thrust washer to the tube as shown. Use grease in order to hold the washer in place.
4. Install the shaft and tube assembly to the carrier.
5. Install the shaft tube bolt at the 1 o'clock position. Tighten the bolt finger tight.
6. Pull the shaft and tube assembly down in order to install the remaining bolts.

Notice: Refer to Fastener Notice in Service Precautions.





7. Install the bolts, washers, and nuts.
^ Tighten the nuts to 98 Nm (72 ft. lbs.).





8. Inspect the operation of the shift mechanism. Use J33798. Insert the tool into the shift fork. Inspect for rotation of the axle shaft.
9. Connect the wire to the shift indicator switch.
10. Install the right side wheel drive axle. Refer to Wheel Drive Shaft Replacement.
11. Inspect the axle lubricant level. Add lubricant as necessary.
12. Lower the vehicle.
13. Install the battery tray and the battery.