Temperature. Sensor. Coolant. Engine Cooling. Sending Unit.
Temperature Sensor for Engine Coolant.
Engine Coolant Temperature Sensor
Fits Canyon, Colorado, Envoy, Envoy XL, H3, H3T, Rainier, Trailblazer, Trailblazer EXT
All Models; 4.2L. Canyon, Colorado; 2.9L, 3.7L.
Engine Coolant Temperature Sensor - Repair or Replace
If your engine coolant temperature sensor has failed, you may notice one of several symptoms: your temperature gauge doesn’t move, your engine overheats without warning, your radiator fans don’t switch on, or they don’t switch off. If your has any of these symptoms, it's a good idea to let a trained technician perform an inspection.