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Old 01-04-2019, 05:52 PM   #1 (permalink)
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Default Radiator fan stuck on full speed

Both fans of my radiator turn on full speed as soon as I turn on the car. It could be 40F outside or 100F, it'll just be at max at all times. Every now and then I can hear the fan speed fluctuating down to like 80% speed, but I can't figure out what's causing it.

My coolant temp gauge shows normal temps, below the middle. I tried switching out the fan relay (PWM RAD FAN RELAY) and that didn't work either.

What else could be causing this?

I tried cycling the AC to see if it'll stop it.. nothing.
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