C 3500 HD Truck 2WD V8-6.5L DSL Turbo VIN F (2001)
12. Remove the water pump and backing plate bolts from the engine.
13. Remove the water pump with the backing plate from the engine.
14. Remove the bolts from the rear of the water pump backing plate.
15. Remove the water pump from the backing plate.
16. Remove the water pump and the gasket from the backing plate.
Important: All of the flanges must be free of oil.
17. Clean the following mating surfaces:
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The water pump
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The water pump backing plate (both sides)
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The engine block
Installation Procedure
Important: Do not use sealer on the water pump backing plate gasket. The gasket has pre-applied sealer.
1. Install the gasket.
2. Install the water pump to the water pump backing plate.
3. Apply high threadlocker GM P/N 12345493, or equivalent, to the bolt threads.
Notice: Refer to Fastener Notice in Service Precautions.
