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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Power Transistor HVAC: Service and Repair





1. Ignition off.
The power stage are located on the climate control unit behind the glove compartment.
2. Remove glove compartment:
Remove glove compartment. Refer to "Evaporator Core Replacement".
3. Remove power stage connector:
- Disconnect connector from power stage.
- Hold catches in and pull connector straight out from power stage.
4. Remove power stage:
Undo screw holding power stage in place.
5. Install:
- Power stage (1 screw).
- Connectors (2).
- Glove compartment.