TrailBlazer 2WD L6-4.2L VIN S (2003)
1. Install the thermostat housing at the water inlet to the engine block.
NOTICE:
Refer to Fastener Notice in Service Precautions.
See: Service Precautions/Vehicle Damage Warnings/Fastener Notice
2. Install the thermostat housing bolts.
Tighten the bolts to 10 Nm (89 inch lbs.).
3. Lubricate the inner diameter of the radiator hose with engine coolant.
4. Install the outlet hose to the thermostat housing (1). Secure the hose with the clamp.
5. Install the generator.
6. Fill the cooling system with specified coolant and concentration.
7. Inspect all sealing surfaces for leaks after starting the engine.
