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 MANUALSCHEVROLET2006SILVERADO SS V8-6.0L VIN NREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGAIR DOORSERVICE AND REPAIRPROCEDURESHEATER DOOR
2006 Chevrolet Silverado SS V8-6.0L VIN N
Heater Door
2006 Chevrolet Silverado SS V8-6.0L VIN NSECTION Heater Door
HEATER DOOR REPLACEMENT
REMOVAL PROCEDURE
1. Remove the heater/vent module.
2. Remove the heater/vent module screws.
3. Separate the heater/vent module.
4. Remove the mode actuator (3).
5. Remove the mode actuator cam assembly (4).
6. Remove the heater door cam assembly (5).
7. Remove the heater door (6).
INSTALLATION PROCEDURE
1. Remove the heater door (6).
2. Install the heater door cam assembly (5).
3. Install the mode actuator cam assembly (4).
4. Install the mode actuator (3).
5. Install the heater/vent module halves.
NOTE: Refer to Fastener Notice in Service Precautions.
6. Install the heater/vent module screws.
Tighten
Tighten the screws to 1.6 N.m (14 lb in).
7. Install the heater/vent module.
REMOVAL PROCEDURE
1. Remove the heater/vent module.
2. Remove the heater/vent module screws.
3. Separate the heater/vent module.
4. Remove the mode actuator (3).
5. Remove the mode actuator cam assembly (4).
6. Remove the heater door cam assembly (5).
7. Remove the heater door (6).
INSTALLATION PROCEDURE
1. Remove the heater door (6).
2. Install the heater door cam assembly (5).
3. Install the mode actuator cam assembly (4).
4. Install the mode actuator (3).
5. Install the heater/vent module halves.
NOTE: Refer to Fastener Notice in Service Precautions.
6. Install the heater/vent module screws.
Tighten
Tighten the screws to 1.6 N.m (14 lb in).
7. Install the heater/vent module.
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.