Question about 1993 Pontiac Bonneville

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93 pontiac bonnieville superchaarger. Was making a lot of noise. belt came off and nose pully and shaft are really loose. Can I just replace the nose or do I need a whole new unit.

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Sounds like you have a bearing failure either in the extension housing or at the rear of the impellers.
you can remove the extension housing by first removing the pulley at the front and removing the bolts at the rear of the housing where it meets the main body of the supercharger and slide it foreward if there is room.
I stripped down my supercharger after I had it reconditioned because the mechanic had left a small piece of aluminium shaving inside it and it jammed the impellers and it would not turn at all, I replaced all the bearings and seals as well and have had no more trouble so far.
I hope this helps you.

Posted on Jan 01, 2011

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Posted on Jan 02, 2017

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