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Fan clutch

Tiny
AMAC88
  • MEMBER
  • 2007 DODGE RAM
  • 3.7L
  • V6
  • 2WD
  • AUTOMATIC
  • 102,000 MILES
About a month ago I replaced my water pump, fan clutch and belt due to the water pump going bad, since then the fan spins with the engine and seems to not disengage at any point or slow down. It makes a lot of noise and gets louder when I accelerate. Could the new fan clutch be bad? I also changed the engine coolant sensor and throttle body.
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Friday, March 18th, 2022 AT 9:16 AM

5 Replies

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

Since the issue started after the replacement, it is likely a bad clutch that is staying engaged. It probably has a bad coil inside the clutch.
When you say it makes a lot of noise, is it just the noise of the fan spinning or does it sound like something else?

Here is a helpful guide on fan clutch:

https://www.2carpros.com/articles/how-a-clutch-fan-works

Please let me know if you have any questions.
Thank you.
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Friday, March 18th, 2022 AT 3:56 PM
Tiny
AMAC88
  • MEMBER
  • 3 POSTS
The noise is definitely from the fan, it sounds like a massive amount of air moving and it gets louder the more gas I give it.
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Friday, March 18th, 2022 AT 4:42 PM
Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
That makes sense. The clutch is just staying engage and creating the extra noise.
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Friday, March 18th, 2022 AT 9:48 PM
Tiny
AMAC88
  • MEMBER
  • 3 POSTS
Okay, so, I went out this morning and got a new fan clutch, truck is running great now. Thanks for all the help and info guys.
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Saturday, March 19th, 2022 AT 11:41 AM
Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
That is great news!
Thank you for using 2CarPros.
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Saturday, March 19th, 2022 AT 4:54 PM

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