Coolant Line/Hose: Service and Repair

HEATER SUPPLY TUBE

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.
3. Position lower intake manifold upside down on bench and remove the tube retaining bolt (5).
4. Remove heater supply tube (4) from manifold and discard O-ring (2).

INSTALLATION





1. Clean heater tube sealing surfaces.
2. Inspect heater tube O-ring (2). Replace as necessary.
3. Lubricate O-ring (2) with a silicone type grease such as Mopar� Dielectric Grease.
4. Install O-ring (2) on heater supply tube (4).
5. Install heater tube (4) on manifold.
6. Install retaining bolts. Tighten bolts to 12 Nm (105 inch lbs.).
7. Install lower and upper intake manifolds.
8. Refill cooling system.
9. Operate engine until it reaches normal operating temperature. Check cooling system for correct fluid levels.