How do you install a thermostat in a 2000 Jeep Grand Cherokee 4.7L V8?

Answer 1

1. Disconnect negative battery cable at battery.
2. Drain cooling system.
3. Raise vehicle on hoist.
4. Remove splash shield.
5. Remove lower radiator hose clamp and lower radiator hose at thermostat housing.
6. Remove thermostat housing mounting bolts, thermostat housing and thermostat

INSTALLATION

1. Clean mating areas of timing chain cover and thermostat housing.
2. Install thermostat (spring side down) into recessed machined groove on timing chain cover
3. Position thermostat housing on timing chain cover.
4. Install two housing-to-timing chain cover bolts. Tighten bolts to 13 N·m (115 in. lbs.) torque
5. Install lower radiator hose on thermostat housing.
6. Install splash shield.
7. Lower vehicle.
8. Fill cooling system.
9. Connect negative battery cable to battery.
10. Start and warm the engine. Check for leaks.

Note:on the In-line 6 4.0L model the thermostat housing is mounted at the top of the engine block next to the water pump.