LaCrosse V8-5.3L (2008)
1. Install the drive belt idler pulleys to the coolant pump manifold. Refer to Drive Belt Idler Pulley Replacement (See: Drive Belts, Mounts, Brackets
and Accessories/Idler Pulley/Service and Repair).
2. Install the power steering pump and reservoir to the coolant pump manifold. Refer to Power Steering Pump Replacement (L26) (See: Steering and
Suspension/Steering/Power Steering/Power Steering Pump/Service and Repair)Power Steering Pump Replacement (LY7) (See: Steering and
Suspension/Steering/Power Steering/Power Steering Pump/Service and Repair)Power Steering Pump Replacement (LS4) (See: Steering and
Suspension/Steering/Power Steering/Power Steering Pump/Service and Repair) and Remote Power Steering Fluid Reservoir Replacement (LY7) (
)Remote Power Steering Fluid Reservoir Replacement (LS4) (See: Steering and Suspension/Steering/Power Steering/Power Steering Fluid
Reservoir/Service and Repair/Remote Power Steering Fluid Reservoir Replacement (LS4)).
3. Install the thermostat (305), if necessary.
4. Install the thermostat housing (303) and O-ring seal (304), if necessary.
Notice: Refer to Fastener Notice (See: Service Precautions/Vehicle Damage Warnings/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 (See: Powertrain Management/Computers and Control
Systems/Camshaft Position Sensor/Service and Repair).
9. Install the cylinder head to coolant pump manifold bolts.
10. Connect the engine coolant air bleed pipe hose and clamp.
