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Home >> Buick >> 2011 >> Lucerne V6-3.9L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Water Pump >> Service and Repair
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Water Pump: Service and Repair




Water Pump Replacement

Removal Procedure




1. Remove the water pump housing. Refer to Engine Coolant Crossover Pipe Replacement (Service and Repair).
2. Remove the water pump cover bolt/studs.
3. Remove the water pump cover.




4. Remove the water pump bolts.
5. Remove the water pump.




6. Remove and discard the water pump O-ring seal.

Installation Procedure




1. Install a NEW water pump O-ring seal.




2. Install the water pump.

Caution: Refer to Fastener Caution (Fastener Caution).

3. Install the water pump bolts.

Tighten the bolts to 10 Nm (89 lb in).




4. Install the water pump cover.





Note: Ensure that the bolt is installed in the lower inboard position (1) and the studs are installed in the remaining positions (2).

5. Install the water pump cover bolt/studs.

Tighten the bolt/studs to 10 Nm (89 lb in).

6. Install the water pump housing. Refer to Engine Coolant Crossover Pipe Replacement (Service and Repair).

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