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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Heater Core: Service and Repair

Fig. 15 Exploded View Of HVAC Unit.:





WARNING: DO NOT PERFORM THIS OPERATION ON A HOT ENGINE, TO AVOID BEING BURNED BY STEAM OR HOT COOLANT. WAIT UNTIL THE CAR HAS COOLED DOWN SUFFICIENTLY.

1. Drain engine coolant into a suitable container.
2. Remove instrument panel as outlined under Instrument Panel, Service and Repair.
3. Remove water valve control cable guide, Fig. 1.
4. Remove three heater core clamps.
5. Pull heater core to the left and remove from vehicle.
6. Reverse procedure to install.