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. 28 HVAC Unit Locations:






1. Disconnect battery ground cable and disable airbag system as described under MAINTENANCE PROCEDURE/AIRBAG SYSTEM DISARMING.
2. Drain coolant from engine and radiator, then disconnect heater hoses from heater core.
3. Remove instrument panel.
4. Remove heater unit attaching bolts, Fig. 28.
5. Remove heater unit, then the heater core from heater unit.
6. Reverse procedure to install.