Removal & Installation
The ring gear is an integral part of the flywheel and is not replaceable. To remove the flywheel:
- Remove the transmission.
- Remove the six bolts attaching the flywheel to the crankshaft flange. Remove the flywheel.
- Inspect the flywheel for cracks, and inspect the ring gear for burrs or worn teeth. Replace the flywheel if any damage is apparent. Remove burrs with a mill file.
- If equipped with a manual transmission inspect the pilot bearing and replace if necessary.
- If equipped with a spacer between the crankshaft and flywheel, reinstall the spacer.
- Install the flywheel. The flywheel will only attach to the crankshaft in one position, as the bolt holes are unevenly spaced. Install the bolts and tighten in a criss-cross pattern. Refer to the Torque Specifications chart in this section, under Specification Charts for the proper tightening torques.
Remove the transmission.
NOTENote the position and direction of the engine flywheel before removal.
- Remove the flywheel bolts.
- Remove the flywheel.
- Install two M11x1.5 mm bolts (1) to the threaded holes of the spacer, if applicable.
- Rotate the bolts clockwise to remove the spacer.
Remove the spacer from the rear of the crankshaft, if applicable.
- Install the spacer, if applicable, onto the rear of the crankshaft.
Install the flywheel and bolts to the crankshaft.
NOTE"Engine Side" stamped on the flywheel is to be positioned toward the engine.
Apply threadlock GM P/N 12345382, (Canadian P/N 10953489) or equivalent to the threads of the flywheel bolts.
Tighten the flywheel bolts in sequence in the following manner:
Tighten the bolts a first pass to 15 ft. lbs. (20 Nm).
- Install the transmission.
Note the position and location of the flywheel weights (if applicable).
- Remove the engine flywheel bolts.
- Remove the engine flywheel.
- Install the inner retainer (if equipped).
- Install the engine flywheel. Align the engine flywheel locator hole to the flywheel locator pin.
- Install the outer retainer (if equipped).
- Install the engine flywheel bolts and tighten in sequence to 74 ft. lbs. (100 Nm) for 5.7L engines and 66 ft. lbs. (90 Nm) for 7.4L engines.