Thermostat

Removal & Installation

To Remove:

1. Partially drain the cooling system.
2. Remove the air cleaner outlet tube.
3. Remove the throttle body cover.
4. Remove the upper radiator hose from the thermostat outlet housing. Remove the alternator wiring pin-type retainer.
5. Remove the bolts, the thermostat outlet housing and the water thermostat.

   CAUTION
   Use care when scraping thermostat housing-to-gasket mating surfaces. Gouges in aluminum could form leak paths.

6. Discard the gasket and clean the sealing surfaces.

NOTE: Be sure the sealing surfaces are completely free of any gasket material.

To Install:

1. Clean the sealing surfaces and be sure they are completely free of any gasket material.
2. Install the water thermostat, the thermostat outlet housing, and bolts.
   • Torque to 18 ft-lb (25 Nm).
3. Install the alternator wiring pin-type retainer. Install the upper radiator hose to the thermostat outlet housing.
4. Install the throttle body cover.
5. Install the air cleaner outlet tube.
6. Refill the cooling system.