Thermostat: Service and Repair

ENGINE COOLANT THERMOSTAT 2.7L

REMOVAL
1. Disconnect negative cable from remote jumper terminal.

WARNING: DO NOT REMOVE PRESSURE CAP WITH THE SYSTEM HOT AND UNDER PRESSURE BECAUSE SERIOUS BURNS FROM COOLANT CAN OCCUR.

2. Drain cooling system.
3. Remove the engine oil dipstick and tube. To prevent coolant from entering engine, cover the dipstick tube opening in crankcase with a suitable plug.
4. Raise vehicle on hoist.
5. Support the engine and remove the left engine mount.
6. Remove generator support strut.
7. Disconnect generator electrical connector.
8. Remove the transaxle dipstick tube bracket attaching bolt.
9. Remove the lower heater hose tube bracket bolt.
10. Remove the lower heater hose from thermostat housing.
11. Remove radiator lower hose from thermostat housing.





12. Remove thermostat housing bolts.
13. Remove thermostat and housing.

INSTALLATION
1. Clean gasket sealing surfaces.

NOTE: Install thermostat with the bleed valve located at the 12 o'clock position.

2. Install thermostat and gasket into the thermostat housing.
3. Install thermostat and housing to cylinder block. Tighten attaching bolts to 12 Nm (105 in. lbs.).
4. Connect the heater return and radiator lower hoses to the thermostat housing. Install hose clamps.
5. Install the heater hose tube bracket bolt.
6. Install the transaxle dipstick tube bracket attaching bolt.
7. Install the generator support strut.
8. Connect the generator electrical connector.
9. Install the left engine mount.
10. Lower vehicle.
11. Inspect and replace dipstick O-ring as necessary. Install the engine oil dipstick and tube.
12. Refill cooling system.
13. Connect negative cable to remote jumper terminal.