Replacing the Temp Switch Fixed the Cooling Fan | 1987 C4 Corvette
This 1987 C4 Corvette overheated to 250 degrees and the cooling fan never turned on — even though the fan and relay worked. In this video, we diagnose the early C4 cooling system and replace the temperature switch/sensor that controls the fan command through the ECM. This applies specifically to single-fan early C4 Corvettes, which behave differently than later dual-fan cars. No guessing. No parts cannon. Just diagnosis and repair. #C4Corvette #CorvetteRepair #CoolingSystem #TempSwitch #MARSCars
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