Impala V8-5.3L (2008)
4. Install the thermostat housing (303) and O-ring seal (304), if necessary.
Notice: Refer to Fastener Notice .
5. Install the thermostat housing bolts (302), if necessary.
Tighten the bolts to 15 N.m (11 lb ft).
6. Install the water pump manifold (315) and NEW gaskets (306).
1. Tighten the M10 bolts to 60 N.m (44 lb ft).
2. Tighten the M8 bolts to 30 N.m (22 lb ft).
7. Install the water pump manifold bolts (301).
8. Install the camshaft position sensor. Refer to Camshaft Position Sensor Replacement .
9. Install the cylinder head to coolant pump manifold bolts.
10. Connect the engine coolant air bleed pipe hose and clamp.
11. Install the water pump (300) and a NEW gasket (314).
12. Install the water pump bolts (318) until sung.
13. Connect the power steering pipes and hoses to the pump and reservoir. Refer to Power Steering Cooler Pipe/Hose Replacement (3.5L and 3.9L)
Power Steering Cooler Pipe/Hose Replacement (LS4) and Power Steering Pressure Pipe/Hose Replacement (LZ4/LZE/LZ9) Power Steering
Pressure Pipe/Hose Replacement (LS4) .
14. Install the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement (LZ4/LZE/LZ9) Power Steering Pump Pulley
Replacement (LS4) .
15. Install the bolt that retains the power steering pipe to the front of the engine.
16. Install the wiring harness to the clips on the front of the engine.
17. Install the drive belt. Refer to Drive Belt Replacement - Accessory (See: Engine/Drive Belts, Mounts, Brackets and Accessories/Drive
