Heater Core: Service and Repair
HEATER CORE REPLACEMENTTOOLS REQUIRED
- J 38185 Hose Clamp Pliers
- J 39400 Halogen Leak Detector
REMOVAL PROCEDURE
1. Recover the refrigerant.
2. Drain the cooling system.
3. Using the J 38185 loosen the clamp.
4. Remove the heater hoses (1, 2) from the heater core.
5. Remove the left side sound insulator.
6. Remove the right side sound insulator.
7. Remove the console assembly.
8. Remove the lower dash support bracket.
9. Remove the auxiliary air distribution duct adapter.
10. Remove the air distributor duct screws (1, 2). Due to the difficulty in the removal of the right side screw (2), it will not be necessary to install upon reassembly.
11. Remove the air distributor duct.
12. Remove the heater core heat shield screws.
13. Remove the heater core heat shield.
14. Remove the heater core cover screws (1).
15. Remove the heater core cover.
16. Remove the retaining screw and strap from the heater core.
17. Remove the heater core.
INSTALLATION PROCEDURE
1. Install the heater core into the HVAC module using the attaching straps and screws.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the screw to 1.4 N.m (12 lb in).
2. Install the heater core cover.
3. Ensuring the seals at the front of dash are in the proper positions, install the heater core cover screws.
Tighten
Tighten the screws to 1.4 N.m (12 lb in).
4. Install the heater core heat shield and screws (1).
Tighten
Tighten the screws to 1.4 N.m (12 lb in).
5. Install the air distributor duct and the left screw (1). Ensure the right tab is seated properly.
Tighten
Tighten the screw to 1.4 N.m (12 lb in).
6. Install the auxiliary air distribution duct adapter.
7. Install the lower dash support bracket.
8. Install the console assembly.
9. Install the left side sound insulator.
10. Install the right side sound insulator.
11. Connect the heater hoses to the pipes.
12. Using the J 38185 reposition the clamp.
13. Fill the cooling system.
14. Recharge the A/C system.