LaCrosse V6-3.8L (2009)
Thermostat: Service and Repair
Engine Coolant Thermostat Replacement (RPOs L26/L32) (3.8L)
Special Tools
J 38185 Hose Clamp Pliers
Removal Procedure
1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (See: Powertrain Management/Fuel Delivery and Air
Induction/Fuel Injector/Service and Repair/Removal and Replacement/Fuel Injector Sight Shield Replacement).
2. Partially drain the cooling system. Refer to Cooling System Draining and Filling (L26 Static Fill) (See: Service and Repair)Cooling System
Draining and Filling (LS4 Static Fill) (See: Service and Repair)Cooling System Draining and Filling (L26 GE 47716 Fill) (See: Service and
Repair)Cooling System Draining and Filling (LS4 GE 47716 Fill) (See: Service and Repair).
3. Use the J 38185 in order to reposition the hose clamp from the water outlet housing.
4. Remove the radiator inlet hose from the water outlet housing.
5. Reposition the wiring harness from the water outlet housing stud.
6. Remove the water outlet housing bolt and the stud.
7. Remove the water outlet housing and the gasket.
8. Remove the thermostat.
9. Clean and Inspect the water outlet housing gasket mating surfaces.
Installation Procedure
