Removal
- Drain the cooling system. For additional information, refer to «COOLING SYSTEM DRAINING, FILLING AND BLEEDING»(ref-494611-S15464405062012081400000) in this service information.
- Remove the Air Cleaner (ACL) outlet pipe. For additional information, refer to «INTAKE AIR DISTRIBUTION & FILTERING»(ref-494599) .
- Release the clamps, disconnect the 5 coolant hoses from the thermostat housing and position them aside.
- Remove the 2 thermostat housing bolts.
- Separate the thermostat housing from the coolant tube and remove the thermostat housing. Remove and discard the thermostat housing-to-coolant inlet pipe O-ring seal and the thermostat housing gasket.