Engine Mount Replacement - Right

Engine Mount Replacement - Right Side

Removal Procedure

Caution: Broken engine mountings can cause misalignment of certain drive-train components. Misalignment of drive-train components causes eventual destruction of the drive-train components.

If one engine mount breaks, the rest of the engine mounts will have increased stress put on them. This could cause the rest of the engine mounts to break.






1. From under the hood, remove the engine mount to engine mount bracket bolts. (left side shown, right side similar).




2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair) .
3. Remove the oil pan skid plate bolts and plate.

Caution: When raising or supporting the engine for any reason, do not use a jack under the oil pan, any sheet metal, or the crankshaft pulley. Lifting the engine in an unapproved manner may cause component damage.





4. Using an adjustable jack on the square tab (left side shown) at the rear of the engine block, raise the engine. In order to access the square tab, remove the starter. (left side shown, right side similar). Refer to Starter Replacement (4.8L, 5.3L, 6.0L, and 6.2L) (Service and Repair)Starter Replacement (4.3L) (Service and Repair)Starter Replacement (6.6L) (Service and Repair) .




5. Remove the engine mount bolts.
6. Remove the engine mount.




7. If necessary, remove the engine mount side bracket bolts and bracket.




8. Remove the engine mount bracket bolts.
9. Remove the engine mount bracket.



Installation Procedure





1. Install the engine mount bracket.
2. Perform the following procedure prior to installing the engine mount bracket bolts.

1. Remove all traces of the original adhesive patch.
2. Clean the threads of the bolt with denatured alcohol or equivalent and allow to dry.
3. Apply threadlocker GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the bolts.

Caution: Refer to Fastener Caution (Fastener Caution) .
3. Install the engine mount bracket bolts.

Tighten the engine mount bracket bolts to 75 Nm (55 lb ft).





4. Position the engine mount side bracket to the engine, if removed.
5. Install the engine mount side bracket bolts.

Tighten the engine mount side bracket bolts to 50 Nm (37 lb ft).





6. Install the engine mount.
7. Install the engine mount bolts.

Tighten the engine mount bolts to 50 Nm (37 lb ft).

8. Lower the engine.
9. Install the starter. Refer to Starter Replacement (4.8L, 5.3L, 6.0L, and 6.2L) (Service and Repair)Starter Replacement (4.3L) (Service and Repair)Starter Replacement (6.6L) (Service and Repair) .




10. Install the oil pan skid plate and bolts.

Tighten the oil pan skid plate bolts to 20 Nm (15 lb ft).

11. Lower the vehicle.




12. Install the engine mount to engine mount bracket bolts.

Tighten the engine mount to engine mount bracket bolts to 65 Nm (48 lb ft).