WHAT IS CAUSING A BAD VIBRATION RATTLING LIKE SOUND UNDER THE HOOD

  • Tiny
  • Howell31
  • 2008 Nissan Altima
  • 80,000 miles

I've changed the tensioner pulley assembly an it's still making the sound. Haven't changed the belt but I've been told even if I do change them the sound will be there still.

Saturday, June 16th, 2012 AT 4:45 AM

2 Answers

  • Tiny
  • rasmataz
  • Member

Best check the timing chain/chain tensioner and guides if its coming from behind the front engine cover

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Saturday, June 16th, 2012 AT 9:30 AM
  • Tiny
  • KHLow2008
  • Expert
  • 41,938 posts

You should have replaced the belts first instead of the tensioner. Did you check the marker of the belt tensioner to see if it is within limits?

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Saturday, June 16th, 2012 AT 1:33 PM

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