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Why is my fans for a 2003 Buick Rendezvous cooling fans are not workin

Why are the cooling fans of my 2003 Buick Rendezvous not working

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There are several reasons why the cooling fans on a 2003 Buick Rendezvous may not be working. Here are some possible causes:

  1. Fuse or relay: The first thing to check is the fuse and relay for the cooling fans. If they are blown or faulty, the fans will not work. You can find the fuse and relay in the fuse box under the hood.
  2. Faulty fan motor: If the fuse and relay are fine, the next thing to check is the fan motor. Over time, the motor can wear out and stop working. You can test the motor by applying voltage directly to it with jumper wires.
  3. Broken fan blades: Sometimes the fan blades can break, preventing the fan from turning. Check the fan blades to see if they are intact.
  4. Bad temperature sensor: The cooling fans are controlled by a temperature sensor that sends a signal to the computer to turn the fans on when the engine gets hot. If the sensor is faulty, the fans may not turn on even if the engine is overheating.
  5. Wiring problems: Finally, there may be a problem with the wiring between the fan motor, temperature sensor, and computer. Check for any loose or damaged wires that may be preventing the fans from working.

It's best to have a professional mechanic diagnose and fix the issue if you're not familiar with car repairs.

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