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Whining

Tiny
CLEM DAUGHERTY
  • MEMBER
  • 2007 NISSAN QUEST
  • 3.5L
  • V6
  • 2WD
  • AUTOMATIC
  • 80,000 MILES
I have a whining noise that is in the engine area. It started about 1 1/2 years ago and is getting louder all the time. Have changed the alternator, changed both belts, and checked the pulleys. I have been told that it is coming from the timing chair but I don't know about that, especially the 1800 dollars to have another put on. Beside, I didn't know that you could hear any noise from the timing chair until it broke or got really bad. When you speed the engine up, the whine speeds up too. It sounds like the alternator going bad but that has been changed.

What do you think about where the noise maybe coming from?

Thanks.
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Monday, July 7th, 2014 AT 11:45 AM

4 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Remove your belt and start the engine if it 's still there it's probably the chain and related parts.
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Monday, July 7th, 2014 AT 12:08 PM
Tiny
TRYINGIT
  • MEMBER
  • 2 POSTS
  • 2002 NISSAN QUEST
  • 3.3L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 955,410 MILES
Had kinda like a grinding noise brought it to mechanics they said was water pump so I told them to do it along with timing belt kit. Now since then I have a whining noise virtually around the same area and they cant figure it out so the losened the timing belt tensioner a tad and cleared up some but still have it between 1.3 and 1.7 rpms once it goes over 1.7 rpm you dont hear it again till you deccelerate to about the same rpm speed. What can be the problem or is it still the timing belt tensioner to tight?All other pullys seem good to them. Belts good as well
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Wednesday, June 12th, 2019 AT 6:31 PM (Merged)
Tiny
FREEMBA
  • MECHANIC
  • 1,152 POSTS
It very well could be that the belt tensioner is too tight. Here is the procedure for tightening it:

Use an Allen wrench to turn the timing belt tensioner 70-80 degrees clockwise and tighten the timing belt tensioner nut to 32-43 ft. Lbs. (43-58 Nm).
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Wednesday, June 12th, 2019 AT 6:31 PM (Merged)
Tiny
TRYINGIT
  • MEMBER
  • 2 POSTS
Thx freemba. Taking it back to mechanics this week they said they will losen it just alittle more the tensioner and see what happens.I just dont want the belt after use to stretch and now its way to lose grrrrrrrr
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Wednesday, June 12th, 2019 AT 6:31 PM (Merged)

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