Impala V6-3.9L (2007)
Water Pump: Service and Repair
Water Pump Replacement (RPOs LZE, LZ4, LZ8)
Removal Procedure
1. Drain the cooling system. Refer to Draining and Filling Cooling System (9C1, 9C3 Static Fill) Draining and Filling Cooling System (LS4 GE
47716 Fill) Draining and Filling Cooling System (LS4 Static Fill) Draining and Filling Cooling System (LZE, LZ4, LZ8, 9C1, 9C3, GE47716 Fill)
Draining and Filling Cooling System (LZE, LZ4, LZ8 Static Fill).
2. Loosen the water pump pulley bolts.
3. Remove the drive belt.
4. Remove the water pump pulley bolts and pulley.
5. Remove the water pump bolts.
6. Remove the water pump and gasket.
7. Clean the water pump mating surfaces.
