Grand Prix V8-5.3L (2007)
19. Remove the thermostat housing bolts (302), if necessary.
20. Remove the thermostat housing (303) and O-ring seal (304), if necessary.
21. Remove the thermostat (305), if necessary.
22. Remove the power steering pump and reservoir from the coolant pump manifold.
23. Remove the drive belt idler pulleys from the coolant pump manifold.
Installation Procedure
Notice: DO NOT use cooling system seal tabs, or similar compounds, unless otherwise instructed. The use of cooling system seal tabs, or similar
compounds, may restrict coolant flow through the passages of the cooling system or the engine components. Restricted coolant flow may cause engine
overheating and/or damage to the cooling system or the engine components/assembly.
Important: All gasket surfaces are to be free of oil and other foreign material during assembly.
1. Install the drive belt idler pulleys to the coolant pump manifold.
2. Install the power steering pump and reservoir to the coolant pump manifold.
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.
5. Install the thermostat housing bolts (302), if necessary.
Tighten the bolts to 15 N.m (11 lb ft).
