IDLER PULLEY

  • Tiny
  • kevinloken
  • 1997 Ford Taurus
  • V8
  • FWD
  • automatic
  • 169,000 miles

I noticed a different noise to my engine when I started it about 3 days ago so I finally popped hood the sound is coming from the idler pulley area higher rpm the higher pitched the sound is im guessing its that cause I havent noticed any difference in engine performance what do guys think?

Thursday, June 9th, 2011 AT 7:19 AM

10 Answers

  • Tiny
  • Wrenchtech
  • Expert
  • 19,541 posts

We aren't there to hear it so it's up to you. Remove the belt and spin the pulley by hand to verify the bad pulley.

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Thursday, June 9th, 2011 AT 9:41 AM
  • Tiny
  • kevinloken
  • Member

I dont knowwhat pulley is which on this 3.4 yamaha engine which one would be the harmonic balancer?The noise is coming from the top one near front of car and when I was driving about 45 kph I could really hear the noise almost like a whine?

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Thursday, June 9th, 2011 AT 6:53 PM
  • Tiny
  • kevinloken
  • Member

Thanks again it ended up being both idler pulleys

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Wednesday, June 15th, 2011 AT 8:15 PM
  • Tiny
  • Wrenchtech
  • Expert
  • 19,541 posts

You're welcome

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Wednesday, June 15th, 2011 AT 9:46 PM
  • Tiny
  • kevinloken
  • Member

So I figured out its number 2 and 8 on diagram u gave me so both idler pulleys r done but heres the problem is I order 2 through parts store and the new ones r only 3 inchs in diameter and the stock oem one is almost 3.5 inchs so I took them back to store and the guy told me I might have to go through ford to get the right sized ones but I have been looking everywhere and cant find any bigger then 3 inchs plz help?

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Wednesday, August 10th, 2011 AT 6:21 AM
  • Tiny
  • Wrenchtech
  • Expert
  • 19,541 posts

Have you tried Ford yet?

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Wednesday, August 10th, 2011 AT 9:57 AM
  • Tiny
  • kevinloken
  • Member

Im gonna call today and see what they say cause even on ebay u can only get 3 inch ones

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Wednesday, August 10th, 2011 AT 4:36 PM
  • Tiny
  • kevinloken
  • Member

Would it hurt engine to have smaller pulley on it? Cause all parts stores only have the one size pulley for 97 ford taurus sho 3.4 v8

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Friday, August 12th, 2011 AT 4:39 AM
  • Tiny
  • Wrenchtech
  • Expert
  • 19,541 posts

So, what did Ford say? The smaller pulley won't hurt anything but it may require you to get a shorter belt.

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Friday, August 12th, 2011 AT 9:44 AM
  • Tiny
  • kevinloken
  • Member

So I finally found a scrap yard that had a sho so I fixed pulley I hit a pot hole the other day and the plastic piece at top of strut is broke I hit a tiny bump and all I hear is clunk its so annoying I thinks its called strut mount not sure

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Wednesday, November 16th, 2011 AT 8:30 AM

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