Extension Housing: Service and Repair

Case Extension Replacement

Removal Procedure

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (RPO LS4) Battery Negative Cable Disconnection and Connection (RPOs LZE/LZ4/LZ8) .
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
3. Remove the right drive axle from the transaxle. Refer to Wheel Drive Shaft Replacement (Service and Repair) .
4. Remove the transaxle brace. Refer to Transmission Brace Replacement (RPO LS4) (Transmission Brace Replacement)Transmission Brace Replacement (RPOs LZ9/LZE) (Transmission Brace Replacement) .
5. Remove the vehicle speed sensor. Refer to Vehicle Speed Sensor Replacement (Service and Repair) .




6. Remove the case extension housing bolts (5).
7. Remove the case extension housing (6) with the axle seal and the O-ring (8).



Installation Procedure





1. Install the O-ring (8) to the case extension housing (6).
2. Install the case extension housing (6) with the axle seal and the O-ring (8).

Notice: Refer to Fastener Notice .

3. Install the case extension housing bolts (5).

Tighten the bolts to 36 N.m (27 lb ft).

4. Install the vehicle speed sensor. Refer to Vehicle Speed Sensor Replacement (Service and Repair) .
5. Install the transaxle brace. Refer to Transmission Brace Replacement (RPO LS4) (Transmission Brace Replacement)Transmission Brace Replacement (RPOs LZ9/LZE) (Transmission Brace Replacement) .
6. Install the right drive axle to the transaxle. Refer to Wheel Drive Shaft Replacement (Service and Repair) .
7. Lower the vehicle.
8. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (RPO LS4) Battery Negative Cable Disconnection and Connection (RPOs LZE/LZ4/LZ8) .

Notice: Refer to Do Not Overfill the Transmission Notice .

9. Check and fill the transaxle as necessary.
10. Inspect for fluid leaks.