Extension Housing: Service and Repair

REMOVE OR DISCONNECT
^ Tools Required:
- J 23062-14 Extension Housing Bushing Remover and Installer
- J 8092 Drive Handle

1. Raise and suitably support vehicle.
2. Place an index mark (reference mark) on the pinion flange yoke of the rear propeller shaft and the differential pinion flange to ensure correct rear propeller shaft installation.
3. Four bolts, four nuts and rear propeller shaft from vehicle.
4. Drain transmission fluid.
5. Transmission fluid pan and gasket and drain transmission fluid.
6. Install transmission fluid pan and new gasket onto transmission to support transmission assembly on hydraulic jack; secure with twelve bolts.
- Tighten transmission fluid pan bolts to 13 Nm (115 inch lbs.).





7. Speedometer cable from speedometer driven gear case.
8. One bolt and speedometer guide bracket from transmission.
9. Speedometer driven gear case from transmission extension housing.
10. Two bolts, two nuts and exhaust pipe bracket from extension housing and catalytic converter.
11. Support transmission with a suitable hydraulic jack.
12. Two bolts from rear transmission mount.
13. Four bolts and rear transmission crossmember from vehicle.





14. Seven bolts, extension housing and gasket from transmission case.





15. Parking lock pawl parking lock pawl shaft and parking lock pawl return spring from extension housing.





16. Extension housing seal from extension housing using J 23129 in conjunction with J 6125-B.





17. Extension bearing from extension housing using J 23062-14 with J 8092.

Clean
- Extension housing and transmission case mating surfaces.

Inspect
- Extension housing for cracks or other damage. Replace as necessary.

INSTALL OR CONNECT
^ Tools Required:
- J 21426 Extension Housing Seal Installer
- J 36850 Transjel(R) Transmission Assembly Lubricant
- J 23062-14 Extension Housing Bushing Remover and Installer
- J 8092 Driver Handle

1. Extension bearing into extension housing using J 23062-14 with J 8092.





2. Extension housing seal into extension housing using a J 21426.





3. Parking lock pawl return spring, parking lock pawl shaft and parking lock pawl into extension housing.
4. New extension housing gasket and extension housing to transmission case; secure with seven bolts.
- Tighten extension housing bolts to 31 Nm (23 ft. lbs.).
5. Rear transmission crossmember to undercarriage; secure with four bolts.
- Tighten rear transmission crossmember bolts to 60 Nm (44 ft. lbs.).
6. Two bolts to rear transmission mount.
- Tighten rear transmission mount bolts to 60 Nm (44 ft. lbs.).
7. Remove hydraulic jack from under transmission.
8. Exhaust pipe bracket to extension housing and catalytic converter; secure with two bolts and two nuts.
- Tighten exhaust pipe bracket bolts and nuts to 23 Nm (17 ft. lbs.). 9. Apply J 36850 to the speedometer driven gear case O-ring.
10. Speedometer driven gear case into extension housing.
11. One bolt and speedometer guide bracket to extension housing.
- Tighten speedometer guide bracket bolt to 9 Nm (80 inch lbs.).
12. Speedometer cable to speedometer driven gear case.
13. New transmission fluid pan gasket and fluid pan onto transmission.
15. Rear propeller shaft into vehicle aligning index marks made during rear propeller shaft removal; secure with four bolts and four nuts.
- Tighten rear propeller shaft bolts and nuts to 50 Nm (37 ft. lbs.).
16. Lower vehicle.
17. Refill transmission as necessary:
A. Place vehicle on a level surface.
B. Remove fluid level indicator.
C. Add approximately 1.5 liters (1.6 qts.) of Dexron(R)-III automatic transmission fluid into fluid filler tube.
D. Install fluid level indicator into fluid filler tube.
E. Apply parking brake and block vehicle wheels.
F. With selector lever in "P" position, start engine. DO NOT race engine.
G. Run engine at idle and move selector lever through each range and return to the "P" position.
H. With engine running at idle, remove fluid level indicator from filler tube and wipe indicator off.
I. Reinsert fluid level indicator into filler tube making sure it is seated in its original position.
J. Remove the indicator and check the fluid level. The level should be between the "FULL HOT" and "LOW HOT" marks. If the level is below the "LOW HOT" mark, add fluid to bring the level to the "FULL HOT" mark. Bringing the fluid level from the "LOW HOT" mark to the "FULL HOT" mark requires 0.3 liters (0.3 qts.) of fluid. Use Dexron(R)-III automatic transmission fluid.
K. Conduct a road test and check transmission level.