Heater Pipes Replacement

Heater Pipes Replacement


REMOVAL PROCEDURE

TOOLS REQUIRED
J 38185 Spring Hose Clamp Pliers




CAUTION: Refer to Battery Disconnect Caution in Service Precautions.

1. Disconnect the negative battery cable.
2. Remove the battery heat shield.
3. Drain the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
4. Remove the engine intake manifold.
5. Using the J 38185, release and reposition the heater inlet and outlet hose clamps away from the heater pipe ends.
6. Separate the heater hoses from heater pipes.




7. Remove the nut retaining the heater pipe bracket to the dash panel.
8. Remove the heater pipe to heater core retaining bolt.

IMPORTANT: Be sure to cap or plug the open heater core to prevent contamination.

9. Disconnect the heater pipe assembly from the heater core, allow any remaining coolant to drain, discard the seal washers and cap or plug the heater core to prevent contamination.
10. Remove the heater pipe assembly from the vehicle.

INSTALLATION PROCEDURE

TOOLS REQUIRED
J 38185 Spring Hose Clamp Pliers




1. Remove the cap or plug from the heater core.
2. Using a lint-free clean, dry cloth, carefully clean the sealing surfaces of the heater pipe assembly and the heater core.
3. Lightly coat the new seal washers with coolant.
4. Carefully slide the new seal washers onto the heater pipe assembly until seated.
5. Install the heater pipe assembly into position in the vehicle.
6. Install the heater pipe assembly to the heater core.

NOTE: Refer to Fastener Notice in Service Precautions.

7. Install the heater pipe assembly retaining bolt.

Tighten
Tighten the heater pipe assembly retaining bolt to 16 N.m (12 lb ft).




8. Install the heater pipe bracket into position.
9. Install the heater pipe bracket retaining nut.

Tighten
Tighten the heater pipe bracket retaining nut to 10 N.m (89 lb in).




10. Install the heater inlet and outlet hoses to the heater pipes.
11. Using the J 38185, position the heater hose clamps onto the heater pipe ends.
Orientate the heater hose clamps as shown.
12. Install the engine intake manifold.
13. Connect the negative battery cable.

Tighten
Tighten the negative battery cable bolt to 15 N.m (11 lb ft).

14. Install the battery heat shield.
15. Program the transmitters. Refer to Transmitter Programming/Synchronization in Keyless Entry.
16. Refill the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
17. Inspect the heater core joint for leaks.