Heater Core: Service and Repair

Disable the Supplemental Inflatable Restraint (SIR) system as described in MAINTENANCE PROCEDURES/AIRBAG SYSTEM DISARMING prior to working on or near the steering column. After completion of repairs, rearm airbag system as described under MAINTENANCE PROCEDURES/AIRBAG SYSTEM DISARMING.

1. Disconnect battery ground cable.
2. Drain cooling system.
3. Remove right sound insulator.
4. Remove center and lower instrument panel trim plates.
5. On models with automatic climate control, remove speaker grille and speaker for access to programmer attaching bolt.
6. Disconnect wiring and hoses from programmer.
7. Remove programmer linkage cover and disconnect linkage.
8. Remove programmer attaching bolt and the programmer.
9. On all models, remove heater core cover, then the splash cover for access to heater hoses.
10. Disconnect heater hoses from heater core.
11. Remove heater core cover, then the heater core.
12. Reverse procedure to install.