Heater Hose: Service and Repair

REMOVAL

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






1. Drain cooling system.
2. Remove upper and lower intake manifold. Refer to Engine for procedures.
3. With lower intake manifold turned upside down on bench, remove the tube retaining bolt.
4. Remove tube from manifold and discard O-ring.

INSTALLATION
1. Clean heater tube sealing surfaces.
2. Install new O-ring on heater tube.
3. Install heater tube on manifold
4. Install retaining bolts and tighten to 12 Nm (105 inch lbs.).
5. Install lower and upper intake manifolds.
6. Refill cooling system.