Installation

4R70E/4R75E

Transmission





1. Position and secure the transmission on a suitable high-lift transmission jack.

2. Connect the electrical connectors and install the wire harness on the transmission.

1. Connect the Transmission Range (TR) sensor connector.

2. Connect the Output Shaft Speed (OSS) sensor connector.

3. Connect the Turbine Shaft Speed (TSS) sensor connector.
- Connect the transmission harness retainers.





3. Connect the electrical connectors.

1. Install the catalyst monitor connector retainer to the stud.

2. Connect the transmission vehicle harness connector.





4. Raise and position the transmission to the vehicle.
- Align the balancing marks on the converter stud and the flexplate bolt hole.

5. Install the transmission case bolts.
- Tighten to 48 Nm (35 lb-ft).





6. Install 4 new torque converter nuts.
- Tighten to 36 Nm (27 lb-ft.)





7. Install the rubber access plug.





8. Install the transmission inspection cover.

1. Position the transmission inspection cover.

2. Install the 2 bolts.
- Tighten to 35 Nm (26 lb-ft).

3. Install the bolt for the separator plate.
- Tighten to 35 Nm (26 lb-ft).





9. Install the transmission fluid filler tube.





10. Install the transmission fluid filler tube bolt.
- Tighten to 48 Nm (35 lb-ft).





11. Install the transmission insulator.
- Tighten to 90 Nm (66 lb-ft).





12. Position the LH side of the transmission support crossmember into the transmission support crossmember pocket and loosely install the bolts.





13. Position the RH side of the transmission support crossmember into the transmission support crossmember pocket and loosely install the bolts.





14. Tighten the LH transmission support crossmember bolts.
- Tighten to 70 Nm (52 lb-ft).





15. Tighten the RH transmission support crossmember bolts.
- Tighten to 70 Nm (52 lb-ft).





16. Install the parking brake cable bracket and bolts.
- Tighten to 55 Nm (41 lb-ft).





17. Lower the transmission onto the transmission support crossmember and install the transmission insulator nuts.
- Tighten to 30 Nm (22 lb-ft).





18. Remove the high-lift transmission jack.

19. Install the transmission fluid cooler tubes.
- Tighten 18 Nm (159 lb-in).





20. Install the transmission fluid cooler tube bracket.
- Tighten to 15 Nm (133 lb-in).





21. Connect the transmission harness connectors to the filler tube bracket.





22. Install the ground wire.
- Tighten to 23 Nm (17 lb-ft).





23. Install the starter and the bolts.
- Tighten to 25 Nm (18 lb-ft).





24. Connect the electrical connectors on the starter.

1. Tighten starter B+ cable to 12 Nm (106 lb-in).

2. Tighten starter solenoid nut to 6 Nm (53 lb-in).





25. Install the starter motor electrical connector cap.





26. Install a new gasket and position the RH catalytic converter assembly in place and loosely install the bolts. Do not tighten the bolts at this time.





27. Install the RH exhaust flange nuts.
- Tighten to 48 Nm (35 lb-ft).





28. Tighten the RH catalytic converter-to-exhaust pipe bolts.
- Tighten to 40 Nm (30 lb-ft).





29. Connect the RH heated Heated Oxygen Sensor (HO2S) connector.





30. Connect the RH catalyst monitor connector.





31. Install a new gasket and position the LH catalytic converter assembly in place and loosely install the bolts. Do not tighten the bolts at this time.





32. Install the LH exhaust flange nuts.
- Tighten to 48 Nm (35 lb-ft).





33. Tighten the LH catalytic converter-to-exhaust pipe bolts.
- Tighten to 40 Nm (30 lb-ft).





34. Connect the LH HO2S connector.





35. Connect the LH catalyst monitor connector.





36. Install the selector lever cable bracket.
- Tighten to 14 Nm (124 lb-in).





37. NOTE: The manual control lever must be in the Overdrive (O/D) position.

Slide the transmission selector lever cable into the selector lever cable bracket until the tabs fully seat and connect the selector lever cable to the manual control lever.

- Tighten to 30 Nm (22 lb-ft).





38. NOTE: The output shaft and the driveshaft are a balanced assembly.

Install the driveshaft.

- Align the paint marks and the index marks made during removal and position the driveshaft on the transmission.





39. NOTE: To maintain initial driveshaft balance, align the index marks made during removal.

Install the driveshaft.

- Tighten to 103 Nm (76 lb-ft).





40. Lower the vehicle.

41. Connect the battery ground cable.

42. Fill the transmission with transmission fluid and inspect for correct operation.