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.
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HOMESERVICE MANUALSCHEVROLET2002AVALANCHE 1500 2WD V8-5.3L VIN TREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGAIR DOORSERVICE AND REPAIRAIR TEMPERATURE DOOR REPLACEMENT
2002 Chevrolet Avalanche 1500 2WD V8-5.3L VIN T
Air Temperature Door Replacement
2002 Chevrolet Avalanche 1500 2WD V8-5.3L VIN TSECTION Air Temperature Door Replacement
REMOVAL PROCEDURE
1. Remove the HVAC module. Refer to Heater/Vent Module Replacement.
2. Remove the HVAC module screws.
3. Separate the HVAC module halves.
4. Remove the air temperature door (8).
INSTALLATION PROCEDURE
1. Install the air temperature door (8).
2. Assemble the HVAC module halves.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the HVAC module screws.
Tighten
Tighten the screws to 1.6 N.m (14 lb in).
4. Install the HVAC module. Refer to Heater/Vent Module Replacement.
1. Remove the HVAC module. Refer to Heater/Vent Module Replacement.
2. Remove the HVAC module screws.
3. Separate the HVAC module halves.
4. Remove the air temperature door (8).
INSTALLATION PROCEDURE
1. Install the air temperature door (8).
2. Assemble the HVAC module halves.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the HVAC module screws.
Tighten
Tighten the screws to 1.6 N.m (14 lb in).
4. Install the HVAC module. Refer to Heater/Vent Module Replacement.
RENDER: 1.0x
NO RELATED
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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.