Thermostat: Service and Repair

Remove fan clutch with fan impeller and fan cowl, refer to Fan Clutch, Service and Repair.

Remove coolant drain plug in engine block. Drain and dispose of coolant.

Installation:
Replace sealing ring on drain plug.
Tightening torque, refer to Specifications, Mechanical.
Vent cooling system and check for leaks, refer to Cooling System, Service and Repair.

Remove intake filter housing with air-mass flow sensor.





Remove water hoses.





Open cable clamp (1).
Release screws on thermostat housing. Remove thermostat housing and thermostat.





Installation:
Keep sealing faces clean and free of oil.
Replace O-ring (1) on water pump and O-rings on connecting tube (2).
Coat O-rings on connecting tube (2) with water acting as antiseize agent.

Caution: O-rings on connecting tube (2) can very easily be shorn off.





Installation:
Preassemble thermostat (1) as shown in illustration on water pump.