Grand Prix V8-5.3L (2007)
Water Pump: Service and Repair
Water Pump Replacement
Water Pump Replacement (RPO LS4)
Removal Procedure
1. Drain the cooling system.
2. Remove the battery and battery tray.
3. Remove the drive belt.
4. Remove the water pump bolts (318).
5. Remove the water pump (300) and gasket (314). Discard the gasket.
6. Clean and inspect the water pump gasket mating surfaces.
Installation Procedure
1. Install the water pump (300) and a NEW gasket (314).
Notice: Refer to Fastener Notice in Service Precautions.
2. Tighten the water pump bolts (318).
Tighten the bolts to 10 N.m (89 lb in).
3. Install the drive belt.
4. Install the battery tray and battery.
5. Fill the cooling system.