R 3500 P/U 2WD V8-350 5.7L (1989)
![background image](/gmc/r_3500_p/u_2wd/v8-350_5.7l/Page-568002.png)
9. Remove Water pump (91) from the engine block.
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Clean the mating surfaces on the water pump and the engine block. Inspect all components for defects.
9. Remove Water pump (91) from the engine block.
^
Clean the mating surfaces on the water pump and the engine block. Inspect all components for defects.