Question about 1999 Toyota Camry

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Car is overheating, Fans wont turn on

I have a 1999 Toyota Camry, which is been overheating because both fans won't turn on. I changed both relays but even if i hear them turn on, the fans still won't run. What could be the problem?

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First are you sure the fans are good. Unplug the fans and hook directly to the battery and see if they turn. One fan is for the engine and should come on when the car gets hot. The other generally comes on when the a/c system is on. If both fans work hooked directly to the battery they are good go to the cooling fan switch or temperature switch (same thing different name) and make sure it is good. This tells the fan to kick on when the car gets hot. The other one kicks on when a switch on the a/c system tells it to kick on. Check and make sure you are getting power to the fans. Get a test light and ground it to a good ground on the car and probe the plugins going to the fans and insure there is power coming to them when the car is running. If no power fuse is bad or the sending unit is bad.

Posted on Oct 06, 2009

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