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. 4 Removing heater core securing bolt.:





1. Drain cooling system.
2. Remove glove compartment.
3. Remove steering column cover and lower dashboard trim panel.
4. Disconnect heater valve cable.
5. Clamp shut and disconnect heater hoses.
6. Remove heater core securing bolt, Fig. 4 and heater core.
7. Reverse procedure to install. When filling cooling system, open heater valve by setting control lever to red dot.