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Thermostat Housing, Engine Cooling > < Thermostat, Engine Cooling|Specifications|Page 2175
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Thermostat: Service and Repair

REMOVAL 

1. Drain cooling system down below the thermostat level. Refer to Cooling System Draining.

Thermostat, Housing, And Water Box

2. Remove thermostat housing bolts and housing.
3. Remove thermostat, discard gasket and clean both gasket sealing surfaces.

INSTALLATION 

1. Place a new gasket (dipped in water) on the thermostat housing surface, center thermostat into opening in the intake manifold water box.
2. Place housing and gasket over the thermostat, making sure thermostat is in the recess provided.
3. Bolt housing to intake manifold, tighten bolts to 28 Nm (250 inch lbs.). 
4. Refill the cooling system to the proper level. Refer to Cooling System Refilling.

Thermostat Housing, Engine Cooling > < Thermostat, Engine Cooling|Specifications|Page 2175