Thermostat: Service and Repair

ENGINE COOLANT THERMOSTAT

REMOVAL





1. Remove upper intake manifold.
2. Partially drain cooling system below the thermostat level.
3. Disconnect upper radiator hose from outlet connector (2).
4. Disconnect coolant recovery system hose from outlet connector.
5. Turbocharger equipped vehicles:
^ Remove fastener securing A/C suction line support bracket to coolant outlet connector stud.
^ Unclip A/C suction line support bracket from A/C suction line. Reposition bracket.
6. Remove coolant outlet connector bolts.
7. Remove thermostat assembly, and clean sealing surfaces.

INSTALLATION





1. Place the new thermostat assembly into the coolant outlet connector, aligning air bleed (2) with the location notch on outlet connector.





2. Install coolant outlet connector with thermostat in position onto thermostat housing (4). Tighten bolts to 12.5 Nm (110 inch lbs.).
3. Turbocharger equipped vehicles:
^ Attach A/C suction line support bracket to A/C suction line.
^ Install fastener securing A/C suction line support bracket to coolant outlet connector.
4. Connect upper radiator hose.
5. Connect the coolant recovery system hose.
6. Install upper intake manifold.
7. Fill cooling system.