Heater Core Replacement

Heater Core Replacement

Tools Required

GE-47622 Hose Clamp Pliers

Removal Procedure

1. Drain the cooling system. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (Vac-N-Fill).
2. Remove the wiper module.
3. Disconnect the brake booster vacuum hose and reposition.
4. Remove the air cleaner outlet duct.
5. Remove the transmission fluid filler tube.




6. Disconnect both of the heater hose clamps at the heater core using the GE-47622.
7. Disconnect the heater hoses from the heater core.

Important: Cap off the heater core inlet and outlet pipes to prevent coolant spillage inside of the vehicle.

8. Cap off the heater core pipes.
9. Remove the right instrument panel (I/P) insulator.
10. Remove the left I/P insulator.
11. Remove the center floor air outlet.




12. Remove the screws retaining the heater outlet duct.
13. Remove the heater outlet duct.
14. Remove the I/P harness to heater core cover tie strap.




15. Remove the screws retaining the heater core cover.
16. Remove the heater core cover.




17. Remove the heater core pipe retaining screw.
18. Remove the heater core from the HVAC module.

Installation Procedure

1. Install the heater core to the HVAC module case.

Notice: Refer to Fastener Notice.




2. Install the heater core pipe retaining clamp screw.

Tighten the screw to 0.9 N.m (8 lb in).




3. Install the heater core cover.
4. Install the heater core cover retaining screws.

Tighten the screws to 0.9 N.m (8 lb in).




5. Install the heater outlet duct.
6. Install the heater outlet duct screws.

Tighten the screws to 0.9 N.m (8 lb in).

7. Install the I/P harness to heater core cover tie strap.
8. Install the center floor air outlet.
9. Install the left I/P insulator.
10. Install the right I/P insulator.




11. Install the heater hoses to the heater core.
12. Connect the heater hose clamps using the GE-47622.
13. Install the transmission fluid filler tube.
14. Install the air cleaner outlet duct.
15. Connect the brake booster vacuum hose.
16. Install the wiper module.
17. Fill the coolant.Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (Vac-N-Fill) .