# Idler/bearing type pullies

**URL:** <https://forums.speedlife.net/t/idler-bearing-type-pullies/245702>\
**Category:** Shift518 Automotive\
**Created:** [July 26, 2009, 6:52pm UTC](https://forums.speedlife.net/t/idler-bearing-type-pullies/245702 "2009-07-26T18:52:35Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![NedZ32](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/nedz32/32/6393_2.png) [@NedZ32](https://forums.speedlife.net/u/NedZ32)\
**Post date:** [July 26, 2009, 6:52pm UTC](https://forums.speedlife.net/t/idler-bearing-type-pullies/245702/1 "2009-07-26T18:52:35Z")

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Quick question-

I put in a new AC idler pulley and I’m hearing a whirring sound that I think I’ve isolated to that pulley. My question is, do these kinds of pulleys need to be greased pre install?

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**Author:** ![88slowmarro](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/88slowmarro/32/6339_2.png) [@88slowmarro](https://forums.speedlife.net/u/88slowmarro)\
**Post date:** [July 26, 2009, 7:13pm UTC](https://forums.speedlife.net/t/idler-bearing-type-pullies/245702/2 "2009-07-26T19:13:29Z")

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no it just be a bad pulley or bearing i should say

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**Author:** ![NedZ32](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/nedz32/32/6393_2.png) [@NedZ32](https://forums.speedlife.net/u/NedZ32)\
**Post date:** [July 26, 2009, 7:18pm UTC](https://forums.speedlife.net/t/idler-bearing-type-pullies/245702/3 "2009-07-26T19:18:38Z")

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Ah damn it lol

Thanks John

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**Author:** ![88slowmarro](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/88slowmarro/32/6339_2.png) [@88slowmarro](https://forums.speedlife.net/u/88slowmarro)\
**Post date:** [July 26, 2009, 7:20pm UTC](https://forums.speedlife.net/t/idler-bearing-type-pullies/245702/4 "2009-07-26T19:20:10Z")

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no problem kid

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**Author:** ![Shady](https://avatars.discourse-cdn.com/v4/letter/s/6de8d8/32.png) [@Shady](https://forums.speedlife.net/u/Shady)\
**Post date:** [July 27, 2009, 6:30am UTC](https://forums.speedlife.net/t/idler-bearing-type-pullies/245702/5 "2009-07-27T06:30:10Z")

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You have t-tops no need for AC… yank that shit

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**Author:** ![ReDevil](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/redevil/32/6385_2.png) [@ReDevil](https://forums.speedlife.net/u/ReDevil)\
**Post date:** [July 27, 2009, 6:36am UTC](https://forums.speedlife.net/t/idler-bearing-type-pullies/245702/6 "2009-07-27T06:36:34Z")

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> [@Shady"](#):
>
> You have t-tops no need for AC… yank that shit

Exactly what I was gonna say!

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**Author:** ![NedZ32](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/nedz32/32/6393_2.png) [@NedZ32](https://forums.speedlife.net/u/NedZ32)\
**Post date:** [July 27, 2009, 11:06am UTC](https://forums.speedlife.net/t/idler-bearing-type-pullies/245702/7 "2009-07-27T11:06:27Z")

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T-tops off in traffic= 20+ degrees hotter inside.

I’m not going to front, I like my creature comforts haha