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. 21 Disassembled view of heater case:







Less Air Conditioning
1. Disconnect and plug heater hoses from heater core.
2. Working in passenger compartment, remove heater core access cover attaching screws and the cover.
3. Remove heater core from vehicle, Fig. 21.
4. Reverse procedure to install.

With Air Conditioning
1. Disconnect and plug heater core hoses.
2. Remove glove compartment assembly, then disconnect temperature and function cables.
3. Remove screws retaining heater core cover to plenum and remove cover.
4. Remove heater core.
5. Reverse procedure to install.