Removal

48RE TRANSMISSION

REMOVAL

NOTE: The overdrive unit can be removed and serviced separately. It is not necessary to remove the entire transmission assembly to perform overdrive unit repairs.





1. Disconnect battery negative cable.
2. Raise vehicle.
3. Remove the transfer case skid plate (2), if equipped.





4. Disconnect and lower or remove any necessary exhaust components.
5. Remove engine-to-transmission struts.
6. Remove starter motor.
7. Disconnect and remove the crankshaft position sensor. Retain the sensor attaching bolts.
8. If transmission is being removed for overhaul, remove transmission oil pan, drain fluid and reinstall pan.
9. Remove torque converter access cover.
10. Rotate crankshaft in clockwise direction until converter bolts are accessible. Then remove bolts one at a time. Rotate crankshaft with socket wrench on dampener bolt.
11. Mark propeller shaft and axle yokes for assembly alignment. Then disconnect and remove propeller shaft. On 4 x 4 models, remove both propeller shafts.
12. Disconnect wires from the transmission range sensor and transmission solenoid connector.
13. Disconnect gearshift cable (1) from the transmission manual lever (2).
14. For vehicles with gas engines, disconnect throttle valve cable from transmission bracket and throttle valve lever.





15. For vehicles with a diesel engine, remove the bolts (2) holding the transmission throttle valve actuator (TTVA) (1) to the transmission case.
16. Allow the TTVA (1) to rotate clockwise away from the transmission.





17. Remove the wiring connector (2) from the TTVA (1).
18. Lift the TTVA (1) straight upward and off the throttle valve shaft (3).





19. On 4X4 models, disconnect shift rod from transfer case shift lever.
20. Support rear of engine with safety stand or jack.
21. Raise transmission slightly with service jack to relieve load on crossmember and supports.
22. Remove the nuts (3) securing rear support (1) to the transmission crossmember.
23. Remove the bolts(2) holding the rear support (1) to the transmission (5) remove the rear support.





24. Remove bolts attaching crossmember to frame and remove crossmember.
25. On 4X4 models, remove transfer case.
26. Remove fill tube (7) bracket bolts and pull tube out of transmission. Retain fill tube seal (6). On 4X4 models, it will also be necessary to remove bolt attaching transfer case vent tube to converter housing.





27. Disconnect fluid cooler lines (6, 7) at transmission (5), diesel engines.





28. Disconnect fluid cooler lines (4, 5) at transmission (3), gas engines.





29. Remove all bolts (1) holding the transmission (3) to the engine adapter (2), diesel engines.
30. Carefully work transmission and torque converter assembly rearward off engine block dowels.
31. Lower transmission and remove assembly from under the vehicle.
32. To remove torque converter, remove C-clamp from edge of bell housing and carefully slide torque converter out of the transmission.





33. Remove all bolts (1) holding the transmission (3) to the engine adapter (2), gas engines.
34. Carefully work transmission and torque converter assembly rearward off engine block dowels.
35. Lower transmission and remove assembly from under the vehicle.
36. To remove torque converter, remove C-clamp from edge of bell housing and carefully slide torque converter out of the transmission.