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 MANUALSGMC2013SIERRA DENALI AWD V8-6.2LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCABIN TEMPERATURE SENSOR / SWITCHSERVICE AND REPAIR
2013 GMC Sierra Denali AWD V8-6.2L
Cabin Temperature Sensor / Switch: Service and Repair
2013 GMC Sierra Denali AWD V8-6.2LSECTION Service and Repair
Inside Air Temperature Sensor Replacement
Removal Procedure
1. Remove the left windshield garnish molding. Refer to Windshield Pillar Garnish Molding Replacement Windshield Pillar Garnish Molding Replacement.
2. Remove the left center pillar assist handle. Refer to Roof Rail Rear Assist Handle Replacement Roof Rail Rear Assist Handle Replacement.
3. Remove the center pillar garnish molding. Refer to Center Pillar Upper Garnish Molding Replacement Center Pillar Upper Garnish Molding Replacement.
4. Remove the left sunshade. Refer to Sunshade Replacement Sunshade Replacement.
5. Gently pull down the headliner.
6. Disconnect the electrical connector from the inside air temperature sensor.
7. Partially remove the inside air temperature sensor from the headliner.
8. Remove the sensor grille from the inside air temperature sensor.
9. Remove the inside air temperature sensor from the headliner.
Installation Procedure
1. Install the new sensor grille to the headliner.
2. Install the inside air temperature sensor to the headliner and sensor grille.
3. Connect the electrical connector to the inside air temperature sensor.
4. Install the left sunshade. Refer to Sunshade Replacement Sunshade Replacement.
5. Install the left center pillar garnish molding. Refer to Center Pillar Upper Garnish Molding Replacement Center Pillar Upper Garnish Molding Replacement.
6. Install the left center assist handle. Refer to Roof Rail Rear Assist Handle Replacement Roof Rail Rear Assist Handle Replacement.
7. Install the left windshield garnish molding. Refer to Windshield Pillar Garnish Molding Replacement Windshield Pillar Garnish Molding 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.