Grand Cherokee 2WD V6-3.7L (2008)
Thermostat: Service and Repair
Engine Coolant Thermostat - Installation
3.7L/4.7L ENGINE
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 Nm (115 in. lbs.) torque.
CAUTION: Housing must be tightened evenly and thermostat must be centered into recessed groove in timing chain cover. If not, it may
result in a cracked housing, damaged timing chain cover threads or coolant leaks.
5. Install lower radiator hose on thermostat housing.
6. Install splash shield.
7. Lower vehicle.
8. Fill cooling system See: Service and Repair.
9. Connect negative battery cable to battery.
10. Start and warm the engine. Check for leaks.
