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2002 Volkswagen Jetta Radiator fans

Tiny
RGOLOBIC
  • MEMBER
  • 2002 VOLKSWAGEN JETTA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 100,000 MILES
My daugther was driving my car and a noise happened driven about 60 miph shortly after that the car electrics reset while driven and this happened twice after that. I found looking at it. The radiator fans do not work unless the AC is on. The engine was overheating. Any ideas? Water pump replaced at 93,000.

Ryan
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Friday, May 28th, 2010 AT 11:05 AM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi Ryan,

The radiator fans would not work with the AC OFF unless the temperature to operate the fan thermal switch is reached. If they are not working while the engine is overheating, then you need to check the thermal switch.

Is your vehicle equipped with manual or automatic AC system?
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Friday, May 28th, 2010 AT 12:41 PM
Tiny
RGOLOBIC
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  • 8 POSTS
It is equipped with a manual AC switch for Air conditioning.
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Friday, May 28th, 2010 AT 12:45 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Check the coolant fan control thermal switch located on the radiator.
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Saturday, May 29th, 2010 AT 9:21 AM

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