The electric fans are not coming on as the temp.rises.The fues all check ok. What would cause this problem?

Asked by Aug 10, 2015 at 05:24 PM about the 2001 Chevrolet Monte Carlo SS

Question type: Maintenance & Repair

2 Answers


Bad fan switches, bad fan motors, wiring open circuits, relay problems.

1 of 1 people found this helpful.

I had the same issue before. The fans are controlled by a temp censer. If the fluid in radiator isn't at proper levels the censer won't activate the fans since there isn't any antifreeze to detect the temperature. I would also run two wires to the fan insert directly to the battery to check and see if the fans work. Relay can check it out on utube to do a amp test to find if they are bad or good. Or do a simple switch from one relay to another

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