Tremec 5-Speed (MQ7) - Manual Transmission

Transmission Replacement

Special Tools

J 42371 Hydraulic Clutch Line Separator

Removal Procedure

1. Remove the shift lever. Refer to Transmission Control Lever Knob Replacement Transmission Control Lever Knob Replacement.

2. Remove the propeller shaft. Refer to One-Piece Propeller Shaft Replacement One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement Two-Piece Propeller Shaft Replacement.




3. Using J 42371 push back on the sleeve on the quick connect in order to disconnect the clutch actuator cylinder to clutch master cylinder quick connect fitting.

4. Disconnect the electrical wiring harness connector from the backup lamp switch.

5. Disconnect the electrical wiring harness connector from the vehicle speed sensor.

6. Remove the engine electrical wiring harness clip from the fuel pipe bracket.




7. Remove the fuel pipes from the fuel pipe bracket.

8. Support the transmission using a suitable transmission jack.

9. Remove the transmission support. Refer to Transmission Support Crossmember Replacement (4WD 2500/3500 Series) Transmission Support Crossmember Replacement (4WD 1500 Series) Transmission Support Crossmember Replacement (2WD 1500 Series) Transmission Support Crossmember Replacement (2WD 2500/3500 Series) .




10. Remove the transmission to clutch housing bolts (1).

11. Remove the transmission from the clutch housing.




12. If servicing the clutch, remove the clutch housing bolts and studs.

13. Remove the clutch housing.

Installation Procedure

Warning

Use care when cleaning the clutch hub. The clutch hub may have sharp edges and can cause personal injury if contact is made. Wear protective gloves to avoid personal injury.

1. Clean the clutch hub and the input shaft from any debris and contaminates with a lint-free towel.





Caution:
Applying too much or the wrong type of grease on the transmission input shaft may cause damage, clutch slippage or failure. Always apply the correct type of grease. Never apply more grease than is necessary to coat the transmission input shaft with a very thin film of grease.

2. Use a clean flat brush (1) to apply very light coating of multi-purpose grease to input shaft until the metal is only shiny. No visible clumps of grease are permissible regardless of size. Smear away from the transmission in direction of the shown arrow.





Caution:
Ensure that no grease remains on the lead surface of the transmission input shaft. Clean the lead surface of the transmission input shaft prior to the assembly of the transmission to the engine. Failure to maintain a clean surface may cause clutch slippage or failure.

3. Clean the entire lead surface of the input shaft with a NEW, lint-free towel (1).




4. Install the clutch housing if previously removed.

Caution: Refer to Fastener Caution Fastener Caution.

5. Install the clutch housing bolts and studs.

Tighten the bolts and studs to 50 Nm (37 lb ft).




6. Position the transmission to the clutch housing.

7. Install the transmission to clutch housing bolts (1).

Tighten the bolts to 100 Nm (74 lb ft).

8. Install the transmission support. Refer to Transmission Support Crossmember Replacement (4WD 2500/3500 Series) Transmission Support Crossmember Replacement (4WD 1500 Series) Transmission Support Crossmember Replacement (2WD 1500 Series) Transmission Support Crossmember Replacement (2WD 2500/3500 Series) .

9. Remove the transmission jack.




10. Install the fuel pipes to the fuel pipe bracket.

11. Install the engine electrical wiring harness clip to the fuel pipe bracket.

12. Connect the electrical wiring harness connector to the backup lamp switch.

13. Connect the electrical wiring harness connector to the vehicle speed sensor.





Note: DO NOT rely on an audible click or a visual verification on the clutch hydraulic hose quick connect fitting connection.

14. Connect the clutch actuator cylinder hose to the clutch master cylinder hose.

15. Push together the clutch hydraulic hose quick connect fittings, then pull back on the fittings to verify engagement.

16. Check the clutch hydraulic hose for kinks or twists.

17. Install the propeller shaft. Refer to One-Piece Propeller Shaft Replacement One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement Two-Piece Propeller Shaft Replacement.

18. Fill the transmission with the proper fluid to the correct level.

19. Install the shift lever. Refer to Transmission Control Lever Knob Replacement Transmission Control Lever Knob Replacement.

20. Bleed the clutch hydraulic system. Refer to Hydraulic Clutch System Bleeding Service and Repair.