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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2003C TAHOE 2WD V8-5.3L VIN TREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - HVACCONTROL MODULE HVACSERVICE AND REPAIRHVAC SYSTEM - AUTOMATICAUXILIARY
2003 Chevrolet C Tahoe 2WD V8-5.3L VIN T
Auxiliary
2003 Chevrolet C Tahoe 2WD V8-5.3L VIN TSECTION Auxiliary
REMOVAL PROCEDURE
1. Remove the right rear quarter trim panel.
2. Disconnect the electrical connector from the auxiliary blower motor processor (1).
3. Remove the retaining screws from the auxiliary blower motor processor (1).
4. Remove the auxiliary blower motor processor (1) from the auxiliary HVAC module (2).
INSTALLATION PROCEDURE
1. Install the auxiliary blower motor processor (1) to the auxiliary HVAC module (2).
2. Install the retaining screws to the auxiliary blower motor processor (1).
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the screws to 1.6 N.m (14 lb in).
3. Connect the electrical connector to the auxiliary blower motor processor (1).
4. Install the right rear quarter trim panel.
1. Remove the right rear quarter trim panel.
2. Disconnect the electrical connector from the auxiliary blower motor processor (1).
3. Remove the retaining screws from the auxiliary blower motor processor (1).
4. Remove the auxiliary blower motor processor (1) from the auxiliary HVAC module (2).
INSTALLATION PROCEDURE
1. Install the auxiliary blower motor processor (1) to the auxiliary HVAC module (2).
2. Install the retaining screws to the auxiliary blower motor processor (1).
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the screws to 1.6 N.m (14 lb in).
3. Connect the electrical connector to the auxiliary blower motor processor (1).
4. Install the right rear quarter trim panel.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.