Supercharger give? - 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 01-09-2003, 09:10 PM   #1
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Default Supercharger give?

I had the belf off of my supercharger tonight and I noticed some give between the pulley and the internal mechanisms. You can feel it spin a few degrees around then lock up with everthing inside. Once it is up against the internals it spins fine. Is this play in the pulley something to worry about?
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Old 01-10-2003, 06:48 AM   #2
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Having some backlash is good, by design. How much is normal, I don't know. We could do a comparison between our two cars if you wanted.
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Old 01-10-2003, 08:01 PM   #3
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Default Re: Supercharger give?

Quote:
Originally Posted by SSEi95
I had the belf off of my supercharger tonight and I noticed some give between the pulley and the internal mechanisms. You can feel it spin a few degrees around then lock up with everthing inside. Once it is up against the internals it spins fine. Is this play in the pulley something to worry about?
Does your supercharger have a rattle sound at idle only?
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Old 01-10-2003, 08:05 PM   #4
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Default Re: Supercharger give?

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Originally Posted by fuddyduddy121
Quote:
Originally Posted by SSEi95
I had the belf off of my supercharger tonight and I noticed some give between the pulley and the internal mechanisms. You can feel it spin a few degrees around then lock up with everthing inside. Once it is up against the internals it spins fine. Is this play in the pulley something to worry about?
Does your supercharger have a rattle sound at idle only?
yup, it has been doing that for a long time, never getting worse as far as i can tell.
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Old 01-10-2003, 08:27 PM   #5
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Sounds like the coupler. The easiest and cheapest thing to change. I think zzperformance sells them for the M62 cheaper than anyone. A better coupler, too.

http://www.zzperformance.com/zzp/pro...sc_coupler.htm

Fits both the M62 and M90.
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Old 01-21-2003, 09:55 PM   #6
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I agree. It'* probably the coupler if it only does it at idle.
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Old 01-24-2003, 05:00 PM   #7
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I've got a new pulley from Pulley Boys I was getting ready to install. Mine is making that same noise at idle as well. Sounds like I should replace this as well.
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