Heater Hose: Service and Repair

REMOVAL

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

1. Drain cooling system.
2. Remove upper radiator crossmember.
3. Remove upper radiator hose at tube.
4. Remove heater hose from heater tube at rear of engine.
5. Disconnect heater tube from retaining clip at rear of engine.
6. Disconnect electrical connector from coolant temperature sensor.






7. Remove screws attaching heater tube to outlet connector.
8. Disengage heater tube from outlet connector. To remove heater tube, move forward until the tube clears cylinder heads.

INSTALLATION
1. Inspect heater tube O-ring. Replace as necessary.
2. Lubricate O-ring and install heater tube by inserting tube in-between cylinder heads. Insert tube into water outlet housing.
3. Attach heater tube to the retaining clip at rear of engine.
4. Install attaching screws and tighten to 3 Nm (30 inch lbs.).
5. Install upper radiator hose and heater hose to heater tube.
6. Connect electrical connector to coolant temperature sensor.
7. Install upper radiator crossmember.
8. Fill cooling system. Refer to Cooling System.