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Old 09-07-2013, 01:08 AM   #1
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Serpentine belt tensioner dripping oil.

I have a 3.6L pentastar and I noticed today when I was crawling around under my jeep that I had what appeared to be oil residue on top of my axle tube. I started looking closer and I noticed that the serpentine belt tensioner had oil residue on it. I kept searching and the source is definitely the tensioner not anything else. Anyone else get bored and crawl under their jeeps and notice the same? 17000 miles on it and it just started as I check for leaks frequently.

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Old 09-07-2013, 04:26 AM   #2
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Always wipe/clean it off. If it leaks it will reappear making sure its not just residual oil from a oil change.

That being said .... Have you or a shop changed any fluids lately ? Just making sure because I've seen this happen.

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Old 09-07-2013, 06:46 AM   #3
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Quote:
Originally Posted by kjeeper10 View Post
Always wipe/clean it off. If it leaks it will reappear making sure its not just residual oil from a oil change.

That being said .... Have you or a shop changed any fluids lately ? Just making sure because I've seen this happen.
Good advise. You can also try to clean it up, and spray powder, as in baby powder or get aerosol foot power in a spray and spray it all around the area, then take a nice drive. The powder makes it a lot easier to see where the oil is coming from. Make sure you cover a good area with it, because it could be coming from a place you'd never expect. HTH
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Old 09-07-2013, 10:31 AM   #4
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trust me it is not coming from anywhere else. I have been wrench for 40 years. I am the only one who changes oil etc. I can see exactly where it is coming from and it is the tensioner. The lower part of the tensioner to be exact. I am wondering if anyone else checks theirs and if so has anyone else noticed it leaking? thanks.
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Old 09-07-2013, 10:38 AM   #5
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I am a HVAC tech. I see a lot of oil drips in the bottom of furnaces with sealed bearings in the blower motor. I guess the sealed bearing seals are leaking so might the bearing in the tensioner.
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