Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Pontiac Firefly (CANADA) L4-1.3LFACTORY OEM SERVICE PROCEDURE
Control Module HVAC: Service and Repair
A/C COMPRESSOR CONTROL MODULE REPLACEMENT
REMOVAL PROCEDURE
1. Remove the A/C compressor control module (2) from the evaporator case by performing the following actions:
^ Unsnap the module (2)
^ Slide the module (2) up.
2. Disconnect the electrical connector of the A/C compressor control module.
3. Remove the A/C compressor control module from the vehicle.
INSTALLATION PROCEDURE
1. Install the A/C compressor control module (2) to the vehicle.
2. Connect the electrical connector of the A/C compressor control module.
3. Install the A/C compressor control module to the evaporator case. Slide and snap the A/C compressor control module into place.
REMOVAL PROCEDURE
1. Remove the A/C compressor control module (2) from the evaporator case by performing the following actions:
^ Unsnap the module (2)
^ Slide the module (2) up.
2. Disconnect the electrical connector of the A/C compressor control module.
3. Remove the A/C compressor control module from the vehicle.
INSTALLATION PROCEDURE
1. Install the A/C compressor control module (2) to the vehicle.
2. Connect the electrical connector of the A/C compressor control module.
3. Install the A/C compressor control module to the evaporator case. Slide and snap the A/C compressor control module into place.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.