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Home >> Chevrolet >> 2004 >> Impala V6-3.8L SC VIN 1 >> 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 (3.8L)

Removal Procedure





1. Drain the cooling system.
2. Loosen the water pump pulley bolts.
3. Remove the drive belt.
4. Remove the water pump pulley bolts.
5. Remove the water pump pulley.
6. Remove the power steering pump and reposition.





7. Remove the water pump bolts.





8. Remove the water pump.
9. Remove the water pump gasket.
10. Clean and inspect the water pump mating surfaces.

Installation Procedure





1. Install the water pump gasket.
2. Install the water pump.





Notice: Refer to Fastener Notice in Service Precautions.

3. Install the water pump bolts.
- Tighten the long water pump bolts to 34 Nm (25 ft. lbs.).
- Tighten the short water pump bolts to 22 Nm (16 ft. lbs.).





4. Install the water pump pulley.
5. Install the water pump pulley bolts.
- Tighten the bolts to 13 Nm (115 inch lbs.).
6. Install the power steering pump.
7. Install the drive belt.
8. Fill the cooling system.
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