K 2500 Suburban 4WD V8-5.7L VIN R (1999)
Ambient Temperature Sensor / Switch HVAC: Service and Repair
Luxury Model (RPO Y91)
AMBIENT AIR TEMPERATURE SENSOR REPLACEMENT LUXURY MODEL
REMOVAL PROCEDURE
CAUTION: Before servicing any electrical component, the ignition key must be in the "OFF" or "LOCK" position and all electrical loads
must be "OFF", unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed
electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage
to the vehicle or its components.
1. Remove the negative battery cable.
2. Disconnect the electrical connector (2).
3. Remove the bracket bolt, access can be gained through the hole at the top of the grille.
4. Remove the outside air temperature sensor (1) from the vehicle.
INSTALLATION PROCEDURE
1. Install the outside air temperature sensor (1) to the vehicle.
2. Install the bracket bolt.
3. Connect the electrical connector (2).
4. Install the negative battery cable.
