C 1500 Truck 2WD V8-6.5L DSL Turbo VIN S (1997)
Thermostat: Service and Repair
With Single Thermostat
REMOVE OR DISCONNECT
1. Drain the cooling system until the radiator coolant level is below the thermostat.
2. Upper radiator (inlet) hose.
3. Bolt, stud, and the coolant outlet.
4. Gasket.
5. Thermostat from its housing.
^
Clean thermostat housing and coolant outlet sealing surfaces.
INSTALL OR CONNECT
1. Thermostat into its housing.
2. Gasket into position.
3. Coolant outlet.
4. Bolt and stud.
^
Tighten bolt and stud to 42 Nm (31 ft. lbs.).
5. Upper radiator (inlet) hose.
6. Fill the cooling system.
7. Start the engine and run with the radiator cap removed, until the upper radiator hose becomes hot (thermostat is open).
8. With the engine idling, add coolant to the radiator until the coolant level reaches the bottom of the filler neck.
9. Radiator cap to the radiator, making sure the arrows line up with the overflow tube.
10. Check for leaks.
