gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Torque Converter Housing Bolt Seal Replacement - Allison|Page 8453 > < Torque Converter Housing Bolt Seal Replacement - Allison
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Bell Housing: Service and Repair
Engine Flywheel Housing Replacement

Engine Flywheel Housing Replacement 

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Tools Required
-

J 37228 Seal Cutter

Removal Procedure

1. Drain the engine coolant and the engine block. 
2. Remove the starter. 
3. Remove the transmission. 
4. Remove the flywheel. 
5. Remove the turbocharger oil return pipe nuts from the top of the flywheel housing.

6. Remove the crankshaft rear oil seal. 
7. Remove the oil filter.

Important:  The engine flywheel housing has dowels that protrude into the upper oil pan and the engine block. The upper oil pan requires removal for
proper installation of the engine flywheel housing.

8. Remove the upper oil pan. 

Torque Converter Housing Bolt Seal Replacement - Allison|Page 8453 > < Torque Converter Housing Bolt Seal Replacement - Allison