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. 7 Heater Core Replacement:





1. Drain cooling system.
2. Disconnect hoses from heater core. Plug hoses and core openings to prevent leakage of residual coolant.
3. Remove heater core access cover attaching screws and the cover, Fig. 7.
4. Remove heater core from passenger compartment.
5. Reverse procedure to install.