Operation CHARM: Car repair manuals for everyone.

Power Transistor HVAC: Service and Repair

Power Transistor

Removal
1. Disconnect the negative battery cable.
2. Remove the glove box lower panel cover.
3. Disconnect the electrical connector at the resistor.
4. Remove the screws from the resistor.




5. Remove the resistor from the A/C module by gently pulling the resistor downward.

Installation
1. Install the new resistor into the heater/air distributor case assembly with the screws.

Tighten: Tighten the blower motor resistor screws to 6 N.m (53 lb-in.).

2. Connect the electrical connector at the resistor.
3. Connect the negative battery cable.
4. Confirm the proper performance of the blower.




5. Install the glove box lower panel cover.