gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Cooling System > < Valve Clearance Specifications|Page 2769
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Water Pump: Service and Repair

Water pump replacement. 305/350

1. Disconnect battery ground cable.
2. Drain coolant from radiator.
3. Remove upper fan shroud.
4. Remove drive belt.
5. Remove fan assembly from engine.
6. Lower radiator and heater hose from the water pump.
7. Remove water pump attaching bolts and water pump, Fig. 15.
8. Reverse procedure to install. Tighten water pump attaching bolts to specifications.

Cooling System > < Valve Clearance Specifications|Page 2769