Removal and Replacement

Engine Support Insulators









LH Engine Support Insulator









RH Engine Support Insulator









Removal

All engine support insulators

1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Jacking and Lifting Service and Repair.

2. Disconnect the battery ground cable. For additional information, refer to Battery, Mounting and Cables Battery Disconnect.

3. Remove the Throttle Body (TB). For additional information, refer to Fuel Charging and Controls - 5.4L (3V) Service and Repair.

4. Remove the cooling fan. For additional information, refer to Engine Cooling Service and Repair.

5. Remove the generator. For additional information, refer to Charging System Service and Repair.

6. Remove the starter. For additional information, refer to Starting System Service and Repair.

7. If servicing the engine support insulators on a Four-Wheel Drive (4WD) vehicle, remove the front driveshaft. For additional information, refer to Driveshaft .

8. Install the Engine Support Bar, Support Hook and Engine Support Bracket.





9. Remove the 4 (2 RH and 2 LH) Y-pipe flange nuts.





10. NOTICE: Only use hand tools when removing the transmission mount-to-crossmember nuts or damage to the transmission mount can occur.

Loosen the 2 transmission mount-to-crossmember nuts.





RH engine support insulator

11. NOTICE: Only use hand tools when loosening the engine support insulator through bolts or damage to the engine support insulator-to-cylinder block bracket can occur.

Loosen the LH engine support insulator through bolt.

12. NOTICE: Only use hand tools when removing the engine support insulator through bolts or damage to the engine support insulator-to-cylinder block bracket can occur.

Remove the RH engine support insulator through bolt.

13. NOTICE: Only use hand tools when removing the engine support insulator nuts or damage to the engine support insulator can occur.

NOTE: If during nut removal the stud bolt is extracted from the engine support insulator, separate the nut from the stud bolt prior to stud bolt installation.

Remove the 2 RH engine support insulator nuts.

14. NOTICE: Only use hand tools when removing the engine support insulator stud bolts or damage to the engine support insulator can occur.

Remove the 2 RH engine support insulator stud bolts.

15. Using the Engine Support Bar, Support Hook and Engine Support Bracket, raise the engine.





16. Remove the 3 bolts and the RH engine support insulator-to-cylinder block bracket.

17. Remove the RH engine support insulator.

LH engine support insulator

18. NOTICE: Only use hand tools when loosening the engine support insulator through bolts or damage to the engine support insulator-to-cylinder block bracket can occur.

Loosen the RH engine support insulator through bolt.

19. NOTICE: Only use hand tools when removing the engine support insulator through bolts or damage to the engine support insulator-to-cylinder block bracket can occur.

Remove the LH engine support insulator through bolt.

20. Using the Engine Support Bar, Support Hook and Engine Support Bracket, raise the engine.





21. NOTICE: Only use hand tools when removing the engine support insulator-to-frame bolts or damage to the engine support insulator-to-frame nut plate can occur.

Remove the 3 engine support insulator-to-frame bolts.

- Discard the 3 bolts.

22. Remove the 3 bolts and the LH engine support insulator-to-cylinder block bracket.

23. Remove the LH engine support insulator.

24. Inspect the engine support insulator-to-frame nut plate for thread damage. If the nut plate is damaged, bend 2 tabs back and remove the nut plate. Replace the nut plate with service part No. 56190 and bend the 2 tabs back to the original position.





Installation

RH engine support insulator

1. Clean the engine support insulator-to-cylinder block and engine support insulator-to-frame mating surfaces of any dirt or foreign material prior to installation.

2. NOTICE: Only use hand tools when installing the engine support insulator stud bolts or damage to the engine support insulator can occur.

Position the RH engine support insulator into the vehicle and install the 2 stud bolts.

- Tighten to 15 Nm (133 lb-in).

3. Position the RH engine support insulator-to-cylinder block bracket and install the 3 bolts.
- Tighten to 63 Nm (46 lb-ft).

4. NOTICE: Only use hand tools when installing the RH engine support insulator nuts or damage to the engine support insulator can occur.

Install the 2 RH engine support insulator nuts.

- Tighten to 175 Nm (129 lb-ft).

LH engine support insulator

5. Clean the engine support insulator-to-cylinder block and engine support insulator-to-frame mating surfaces of any dirt or foreign material prior to installation.

6. Position the LH engine support insulator and hand start the 3 new engine support insulator-to-frame bolts.
- Tighten to 175 Nm (129 lb-ft).

7. Position the LH engine support insulator-to-cylinder block bracket and install the 3 bolts.
- Tighten to 63 Nm (46 lb-ft).

All engine support insulator

8. Using the Engine Support Bar, Support Hook and Engine Support Bracket, lower the engine into position.





9. NOTICE: Only use hand tools when installing the engine support insulator through bolt or damage to the engine support insulator-to-cylinder block bracket can occur.

Install the LH and RH engine support insulator bolts.

- Apply threadlock to the bolt threads prior to installation.

- Tighten to 350 Nm (258 lb-ft).

10. NOTICE: Only use hand tools when installing the transmission mount-to-crossmember nuts or damage to the transmission mount can occur.

Install the transmission mount-to-crossmember nuts.

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





11. Position the Y-pipe and install the 4 (2 RH and 2 LH) nuts.
- Tighten to 40 Nm (30 lb-ft).





12. Remove the Engine Support Bar, Support Hook and Engine Support Bracket.





13. Install the starter. For additional information, refer to Starting System Service and Repair.

14. If servicing the engine support insulator on a 4WD vehicle, install the front driveshaft. For additional information, refer to Driveshaft .

15. Install the generator. For additional information, refer to Charging System Service and Repair.

16. Install the cooling fan. For additional information, refer to Engine Cooling Service and Repair.

17. Install the TB. For additional information, refer to Fuel Charging and Controls - 5.4L (3V) Service and Repair.

18. Connect the battery ground cable. For additional information, refer to Battery, Mounting and Cables Battery Disconnect.