Thermostat

ENGINE COOLANT THERMOSTAT

REMOVAL - 2.7L
Disconnect negative cable from remote jumper terminal. WARNING: DO NOT REMOVE PRESSURE CAP OR ANY HOSE WITH THE SYSTEM HOT AND UNDER PRESSURE BECAUSE SERIOUS BURNS FROM COOLANT CAN OCCUR.
Drain cooling system.
Raise vehicle on hoist.
Remove right front wheel and belt splash shield.
Remove accessory drive belts.
Remove lower generator mounting bolt.
Lower vehicle.
Disconnect generator electrical connectors.
Disconnect AC clutch and AC pressure sensor electrical connectors. Reposition wiring harness.
Remove oil dipstick and tube. Plug hole in oil pan where dipstick tube mounts with water tight stopper. WARNING: IF HOLE FOR DIPSTICK TUBE IN OIL PAN IS NOT PLUGGED, COOLANT WILL ENTER OIL PAN. SERIOUS ENGINE DAMAGE CAN OCCUR.
Remove remaining generator mounting bolts. Remove generator.
Disconnect hoses at thermostat housing.

Remove thermostat housing bolts (Fig. 20).
Remove thermostat and housing.

INSTALLATION - 2.7L
Clean gasket sealing surfaces. NOTE: Install thermostat with the bleed valve located at the 12 o'clock position.
Install thermostat and gasket into the thermostat housing.
Install thermostat and housing to cylinder block. Tighten attaching bolts to 12 Nm (105 inch lbs.) (Fig. 20).
Connect hoses at thermostat housing.
Install generator and attaching bolts. CAUTION: Before removing plug in oil pan, clean residual coolant from area.
Remove plug in oil pan and install engine oil dipstick tube.
Reconnect AC clutch and AC pressure sensor connectors.
Reconnect generator connectors.
Raise vehicle on hoist.
Install accessory drive belts.
Install belt splash shield and right front wheel.
Lower vehicle.
Reconnect negative battery cable.
Fill cooling system.

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