2000 Dodge Ram Noisy bearing

Tiny
KAHAIW
  • MEMBER
  • 2000 DODGE RAM
  • V8
  • 4WD
  • AUTOMATIC
  • 126,000 MILES
There is a bearing noise that has developed at the a/c compressor pulley. It seems to happen and stay steady at all rpms with the ac on and off. The AC operates as usual with constant very cold air blown. No symptoms noticed there.
With the truck off I removed the belt and spun the pulley. It spun smooth enough but I am sure it is the source of the niose and vibration.
I have researched and found lots of info on clutch bearings going out. However, I have found a little info in ac idler pulley bearings.
A) Is there multiple bearing in this pulley arrangement?
B) Can I change these bearings in place or do I have to discharge the system?
C) Is there special tools need to pull the pulley?
Tuesday, April 14th, 2009 AT 8:26 PM

1 Reply

Tiny
JAMES W.
  • MECHANIC
  • 2,394 POSTS
Clutch and idler bearing are the same bearing. Just 2 different names. Depending on how much room you have in front of the compressor, you may be able to change it in place. It does take a special puller to pull the clutch disc off. The bearing is held in by a snap ring.
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Tuesday, April 14th, 2009 AT 9:19 PM

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