Idle pully - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 04-13-2004, 06:21 PM   #1
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Default Idle pully

My idle pully has been shaking a little and making a really bad noise when I shut off the engine. I was wondering that if I replace it can I just replace the pully itself or the whole idle arm too?
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Old 04-13-2004, 07:09 PM   #2
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I say just the pulley.. if you have a bearing/pulley then just the bearings on the pulley.. ( I got cheap and done that myself.. err.. well.. Tamara'* dad did most of the work and I supervised hahahahaha.. watched ). The bearings only cost $3 each ( and that'* canadian monopoly money )

But if not.. don't worry.. just change the pulley at the same time as I"ve seen 1 on my car that the pulley is worn and has a groove in it..
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Old 04-13-2004, 09:45 PM   #3
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You only need the pulley, use the same bracket. You can change it yourself, 1 bolt to remove, tighten to 37 lb ft.

add your car trim to your sig so we can tell which engine you have, it makes it easier to help you.
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Old 04-13-2004, 11:53 PM   #4
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Great thanks~
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Old 04-14-2004, 12:29 AM   #5
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ok so if i wanted to change my pulley how can i remove mine???
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Old 04-14-2004, 12:31 AM   #6
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You may be able to get a metal replacement pulley instead of the plastic.
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Old 04-14-2004, 01:14 AM   #7
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Quote:
Originally Posted by Kennginn
ok so if i wanted to change my pulley how can i remove mine???
It'* a torx bit you need.. don't remember the size.. will try and look for it for you tomorrow.. got the one that fits on a socket wrench so that made it a lot easier.. depending on which pulley.. it might be other way to loosen it.. if the pulley turns counter-clockwise.. it'* clockwise to remove.


EDIT: Just noticed you're a series I.. so the Torx bit size I use may be different if not different screws all together.. but I will find the size never the less... later tomorrow.. too dark to look in the garage.
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Old 04-14-2004, 11:23 AM   #8
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On my '93 SSEi and '92 SSE */c, the idler pulleys are fastened with a single bolt, I think it was 15mm (or maybe 13mm). To remove the pulley, turn the bolt counterclockwise just as you would normally do to remove any other bolt on anything else.

I bought replacement pulleys at the auto parts store. They're metal, but cost almost $20 each.

I tried to remove the bearings from one of the old plastic OEM pulleys, in hopes of pressing in a new #6203 bearing, but the pulley cracked as I was trying to press-out the old bearing. Close inspection revealed that the bearing is held in place by a molded lip in the plastic on both sides of the plastic pulley. I wonder how the bearings were pressed-in at the factory...I asked a friend who'* a machinist, and he didn't know how the bearings were pressed-in at the factory either.
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