gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Fastener Tightening Specifications|Page 2843 > < Fastener Tightening Specifications|Page 2841
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Water Pump: Service and Repair

REMOVAL PROCEDURE 

1. Partially drain the coolant.

NOTICE:  Refer to Coolant Addition Notice in Service Precautions.

2. Remove the air cleaner and the duct.
3. Remove the coolant recovery reservoir.
4. Remove the upper fan shroud.
5. Remove the fan and the clutch from the engine.
6. Remove the accessory drive belt.
7. Remove the coolant pump pulley retaining bolts and the pulley.

8. Disconnect the lower radiator hose from the coolant pump.
9. Disconnect the by-pass hose from the coolant pump.

10. Remove the coolant pump retaining bolts.
11. Remove the coolant pump and the gasket.
12. Clean the coolant pump mating surfaces.

Fastener Tightening Specifications|Page 2843 > < Fastener Tightening Specifications|Page 2841