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Radiator clutch fan will turn on automatically?

Tiny
JEEP_DRIVER
  • MEMBER
  • 2000 JEEP GRAND CHEROKEE
  • 4.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 145,000 MILES
When turning vehicle off Radiator clutch fan will turn on automatically. When I do turn on my a/c the clutch fan does turn on and also when I turn it off it turns off. When the a/c clutch stay on I have to disconnect battery so battery won't drain.
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Saturday, January 17th, 2015 AT 2:34 PM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check to see if the relay under hood is stuck it may be. If not it may need an adjustment on a/c clutch
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Saturday, January 17th, 2015 AT 3:49 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,766 POSTS
Yep, this happens when the radiator cooling fan controller goes bad which is common with these cars, where is the location so you can swap it out to fix the problem. They call it a relay but it is a solid state controller. Check out the images (below). Please let us know what happens.
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Wednesday, October 23rd, 2024 AT 6:55 PM

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