gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

A/T - Allison 1000, Leaks/Knocking Noise at Idle|Page 8689 > < A/T - Allison 1000, Leaks/Knocking Noise at Idle|Page 8687
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1. Clean the flywheel assembly.
2. Inspect the flywheel assembly for cracks or excessive wear on the teeth.
3. Replace the flywheel assembly if any concerns exist.

Installation Procedure

1. Install the flywheel to the crankshaft.
2. Install the flywheel washer to the flywheel. 

Notice:  Refer to Fastener Notice in Service Precautions.

3. Install NEW flywheel bolts.

4. Install the J 44643 to lock the flywheel.

A/T - Allison 1000, Leaks/Knocking Noise at Idle|Page 8689 > < A/T - Allison 1000, Leaks/Knocking Noise at Idle|Page 8687