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Upper idler pulley

Tiny
PADUCAHJOEDADDY84
  • MEMBER
  • 2001 NISSAN ALTIMA
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 130,000 MILES
My upper idler pulley bearing froze up. When I removed it the nut was missing and the bolt threads were completely gone on one side due to friction. I ordered the pulley which came with the fixed bearing. I wrongfully assumed that it would have the bolt and nut with it. My question is how do I find a replacement bolt or the part number? I have tried Napa, Advance, AutoZone, O'Reillys and not one carried the part nor could tell me a part number.
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Tuesday, April 25th, 2017 AT 10:43 AM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Best thing here is to try to match other bolt if it is the same size. Then go to auto parts and find a bolt/nut that will fit. Auto parts won't know. You can go to hardware as well just get a hardened bolt which in metric is on the head of bolt the higher number the harder it is.10.9 would do for hardness. If you cannot get a nut you can heli coil it and kits are available at auto parts and hardware stores.
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Tuesday, April 25th, 2017 AT 12:17 PM
Tiny
PADUCAHJOEDADDY84
  • MEMBER
  • 3 POSTS
Thank you. Is there not a website to look up part numbers?
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Tuesday, April 25th, 2017 AT 12:42 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Yes a dealer and that is about it. Really all you need is screw size a mechanic would do what I explained to do.
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Tuesday, April 25th, 2017 AT 2:46 PM

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