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. 1 Heater & A/C System Interior Components:

1. Disconnect battery ground cable, then drain engine coolant.
2. Disconnect heater hoses from heater unit and remove grommet.
3. Remove instrument panel, refer to Instrument Panel, Gauges and Warning Indicators/Instrument Panel/Service and Repair.
4. Remove heater unit attaching nuts and bolts, then the heater unit, Fig. 1.
5. Remove heater core from heater unit.
6. Reverse procedure to install.