Squealing noise around Serpentine belt area

Tiny
PALOKKEN
  • MEMBER
  • DODGE CARAVAN
If have a 1998 Dodge Caravan 6 cylinder 3.0 Liter engine with 110,000 miles. I have replaced the serptentine belt about 18 months ago only to hear a loud squealing noise along with a rattling of bearings sound in the belt area when the car has warmed up. The noise disappears when I put a load on the engine but when the car is idiling its very loud. I have sprayed the belt with WD40 but the noise comes back after driving it a short ways. I also have replaced the tension pulley and the idler pulley bearing. Since the auto parts store did have the exact Idler pulley I tranfered the bearing from the new to the old pulley. But this has not corrected the problem. I have noticed this sound on other common Chrysler vans, I am wondering if this a solvable problem. Do I need to clean the belt residue on the idler pulley or do I need to check the bearings on the power steering unit? If cleaning is recommended How or what should I use.
Signed Frustrated!
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Saturday, March 24th, 2007 AT 1:56 PM

2 Replies

Tiny
MYERSBUCK
  • MEMBER
Try to do all of that cleaning but it may be your whole tensioner assembly or a water pump. Try to lay off the wd40 because that will weaken your belt if you do it too much and cause it to snap. :O(
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Monday, March 26th, 2007 AT 11:25 AM
Tiny
GOODSAMARITAN742
  • MEMBER
I had the same problem w my dodge stealth it would sound real bad when I first push on the gas.I noticed that the belt was very loose so I tightened it and the problem has cleared up
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Wednesday, April 11th, 2007 AT 1:44 AM

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