Heater Core Replacement

HEATER CORE REPLACEMENT

REMOVAL PROCEDURE




IMPORTANT: In order to access the heater core care must be taken when moving the heater core cover. The cover may crack, especially when cold.

TOOLS REQUIRED
J 37097-A Hose Clamp Remover/Installer

1. Drain the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
2. Position the J 37097-A in order to remove the heater hose clamps.




3. Remove the heater hoses from the heater core.
4. Remove the console assembly.
5. Remove the auxiliary air distribution duct.




6. Remove the heater core heat shield cover from the HVAC module.
7. Remove the air filter access cover.
8. Remove the heater core cover screws.
9. Lower and move the cover to obtain enough access to remove the heater core.




10. Remove the retaining bolts and straps from the heater core.
11. Remove the heater core.

INSTALLATION PROCEDURE





NOTE: Refer to Fastener Notice in Cautions and Notices.

1. Install the heater core into the HVAC module and attach the retaining straps and screws.

Tighten
Tighten the screws to 1.5 N.m (18 lb in).




2. Install the heater core cover and the attaching screws.

Tighten
Tighten the screws to 1.4 N.m (12 lb in).

3. Install the air filter access cover.

Tighten
Tighten the screws to 1.4 N.m (12 lb in).

4. Install the heater core heat shield cover.
5. Install the auxiliary air distribution duct.
6. Install the console assembly.




7. Install the heater hoses.
8. Fill the cooling system. Refer to Draining and Filling Cooling System.