Silverado 1500 2WD V8-5.3L (2007)
Thermostat Housing: Service and Repair
Engine Coolant Thermostat Housing Replacement (LY2, LH6, LY5, LMG, LY6)
Removal Procedure
1. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) Cooling System Draining and Filling (Vac-N-Fill).
2. Remove the air cleaner outlet duct.
3. Reposition the radiator outlet hose clamp at the water pump inlet.
4. Remove the radiator outlet hose from the water pump inlet.
5. Remove the water pump inlet bolts.
6. Remove the water pump inlet from the water pump.
7. Remove and discard the water pump inlet seal.
Installation Procedure