Water Pump: Service and Repair

REMOVE OR DISCONNECT
1. Coolant from the radiator.
2. Multiple ribbed drive belt.
3. Upper fan shroud.
4. Fan and fan clutch assembly.
5. Coolant pump pulley.
6. Radiator outlet hose clamp and hose.
7. Bolts (44 and 45) and stud.
8. Coolant pump (41).
9. Gasket(s) (42).

INSPECT
^ All parts and replace as necessary.

CAUTION Be sure all mating surfaces are free of burrs or other imperfections.


INSTALL OR CONNECT
1. Gasket(s) (42) in place.
2. Coolant pump (41).
3. Bolts (44 and 45) and stud.
^ Sealant (GM P/N 1052080 or equivalent) must be applied to the bolt threads.
Tighten
^ Bolts (44) to 10 Nm (89 in.lbs.)
^ Bolts (45) to 21 Nm (15 ft. lbs.)
4. Radiator outlet hose and clamp.
5. Coolant pump pulley.
6. Fan and fan clutch assembly. Refer to Fan Clutch / Service and Repair. Service and Repair
7. Multiple ribbed drive belt.
8. Upper fan shroud.
9. Coolant to the radiator.
^ Start the engine and check for leaks.