Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Heater Core: Service and Repair

Fig. 2 Heater & Blower Assembly:





Fig. 3 Exploded View Of Heater:





1. On models equipped with airbag, disarm airbag, refer to MAINTENANCE PROCEDURES/AIRBAG ARMING & DISARMING.
2. On models not equipped with airbag, disconnect battery ground cable.
3. Drain coolant, then disconnect heater hoses at heater core.
4. Remove instrument panel, refer to Instrument Panel, Gauges and Warning Indicators/Instrument Panel/Service and Repair.
5. Remove heater unit case from vehicle, Fig. 2.
6. Remove heater core from heater unit, Fig. 3.
7. Reverse procedure to install.