replace a thermostat

Thermostat Replacement Removal Procedure 1. Remove the fuel injector sight shield. 2. Drain the coolant until the coolant level is below the thermostat. 3. Remove the crossover exhaust pipe. 4. Remove the radiator hose from the thermostat housing. 5. Remove the thermostat housing bolts (2) and clean any sealer from the bolt threads. 6. Remove the thermostat housing (1). 7. Remove the thermostat (3). 8. Clean the mating surfaces. There you go.