Genuine Chevrolet Caprice Coolant Temperature Sensor

Chevrolet Caprice Coolant Temperature Sensor Parts Questions & Answers

• Sensor Asm,Engine Coolant Temperature Gage
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  Q: How is the Coolant Temperature Sensor checked,replace and maintained for Chevrolet Caprice?

  A: The instrument panel contains a lamp and a sender unit. If the coolant level is normal after checking it, make sure that the wiring connecting to the gauge and sender unit is not loose. When turning on the ignition switch and the starter motor is set on motion, it should go off (overheated engine indication). In case it is not on then there might be a blown bulb, a defective ignition switch or an open circuit. Once started, the lamp should go out unless there is an overheating of the engine. The wire may have been grounded between the lamp and sender unit; temperature sender unit may be defective while in other cases ignition switch could be faulty leading to lamp failure to go out. One needs to unscrew it from left hand cylinder head and replace with new one if one wants to replace sender unit. There will be some loss of coolant hence check for its level after replacing.