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.
2003 Chevrolet SSR V8-5.3L VIN PFACTORY OEM SERVICE PROCEDURE
Control Module HVAC: Service and Repair
HVAC CONTROL MODULE REPLACEMENT
REMOVAL PROCEDURE
1. Remove the storage compartment.
2. Remove the IP trim panel.
3. Remove the lower right knee bolster.
4. Remove the HVAC control module retaining screws.
5. Push the HVAC control module forward. Lower the module through the storage compartment.
6. Disconnect the electrical connector from HVAC control module.
INSTALLATION PROCEDURE
1. Connect the HVAC control module electrical connector.
2. Install the HVAC control module.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the HVAC control module retaining screws.
Tighten
Tighten the screws to 1.6 N.m (14 lb in).
4. Install the right knee bolster.
IMPORTANT: Do not adjust any controls on the HVAC control module while the HVAC control module is self-calibrating. If interrupted, improper HVAC performance will result.
5. Install the IP trim panel.
6. Install the storage compartment.
REMOVAL PROCEDURE
1. Remove the storage compartment.
2. Remove the IP trim panel.
3. Remove the lower right knee bolster.
4. Remove the HVAC control module retaining screws.
5. Push the HVAC control module forward. Lower the module through the storage compartment.
6. Disconnect the electrical connector from HVAC control module.
INSTALLATION PROCEDURE
1. Connect the HVAC control module electrical connector.
2. Install the HVAC control module.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the HVAC control module retaining screws.
Tighten
Tighten the screws to 1.6 N.m (14 lb in).
4. Install the right knee bolster.
IMPORTANT: Do not adjust any controls on the HVAC control module while the HVAC control module is self-calibrating. If interrupted, improper HVAC performance will result.
5. Install the IP trim panel.
6. Install the storage compartment.
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.
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