# Please Help, Idiling prob

**URL:** <https://forums.speedlife.net/t/please-help-idiling-prob/103528>\
**Category:** SON240sx Automotive\
**Created:** [February 3, 2007, 3:47pm UTC](https://forums.speedlife.net/t/please-help-idiling-prob/103528 "2007-02-03T15:47:12Z")\
**Posts on this page:** 1\
**Showing post:** 25

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**Author:** ![DarkForceJackal](https://avatars.discourse-cdn.com/v4/letter/d/b38774/32.png) [@DarkForceJackal](https://forums.speedlife.net/u/DarkForceJackal)\
**Post date:** [February 9, 2007, 2:24pm UTC](https://forums.speedlife.net/t/please-help-idiling-prob/103528/25 "2007-02-09T14:24:31Z")

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> [@4/30 meet @ Taffy's](https://forums.speedlife.net/t/4-30-meet-taffys/11080/75):
>
> hmm…i get the sqeaking sounds at idle, and more pronounced when i turn on either my rear defogger or fan but my idle is fine. if i toss on some that belt dressing from CT, it goes away for a day, but then comes back. you think it’d be belt slack also? or is the pulley from the alternator crap? never happens when it’s warm out there

That should be either your belt tension or the belt(s) condition itself.

Press on the alternator belt (reach down from the top, not too hard to get at) with two fingers and if it’s too loose it should be pretty obvious - or at least mine was. It should only press down 6-11mm I believe as per FSM (based on newness and other factors). Also check it’s condition, make sure it isn’t cracked etc.

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