How to remove alternator pulley? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 07-05-2004, 04:06 PM   #1
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Default How to remove alternator pulley?

The main outer bolt appears to be almost 15/16", but maybe a little smaller. And what size is the hex drive for the middle bolt? I tried my Torx-50 for my SC tensioner, but that was a bit too big.
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Old 07-05-2004, 05:12 PM   #2
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Put an impact gun on the nut and it will come right off.
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Old 07-05-2004, 05:36 PM   #3
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Very Carefully!

I'd tell you, but i can't find my chiltons for the life of me, gimme a few minutes...
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Old 07-05-2004, 09:26 PM   #4
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I don't have an impact gun, and my Chilton'* says nothing other than how to replace the alternator...which I've done on these engines all too often.
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Old 07-05-2004, 09:33 PM   #5
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Did you get one from ZZP yet? Shoot them an email asking them what it needs. I'm surprised you're not finding it...
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Old 07-05-2004, 10:53 PM   #6
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I might just go for the water pump underdrive pulley...so hold up on that info.
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Old 07-05-2004, 11:14 PM   #7
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Your local checker auto should do it for you, or any parts store. None the less, you should look into investing into a impact gun.
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