Thermostat: Service and Repair

Thermostat Removal and Installation

Remove or Disconnect

1. Negative battery cable
2. Engine coolant, partially
3. Water outlet to thermostat housing attaching bolts
4. Thermostat housing
5. Thermostat


Clean

^ Thermostat housing mating surfaces
^ Water outlet mating surfaces

Install or Connect

1. A 3mm (1/8") bead of RTV sealer to thermostat housing
2. Thermostat in water outlet
3. Thermostat housing to water outlet, while sealer is still wet
4. Attaching bolts and torque to 28 Nm (21 lb.ft.)
5. Engine coolant
6. Negative battery cable


Inspect

^ For correct completion of repair
^ For coolant leaks