Alternator Bearings. - 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 11-16-2006, 11:43 AM   #1
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Default Alternator Bearings.

Awhile back I posted that I thought the bearings in a tensioner pulley was going. After exchanging both pulleys around the problem still existed so upon further investigation and using a stethoscope I now feel that it'* the alternator bearing. Has anyone ever changed the bearings and is there a kit for it?
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Old 11-16-2006, 12:18 PM   #2
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There was a topic about this awhile back. Being the 95 you're talking about, your bearing is a closed needle bearing (the rear is). It'* very similar to the needle bearings for the rotors in the SC. I'm not sure what press depth would be, but that could be determined by measuring the old one before you press it out.

Is it the front or the rear? Can you tell? The trickiest part will be reassembling the case so you don't have bind. The stud torque is VERY critical.

You might want to fire off an email to www.mralternator.com and ask if he sells the bearings and would be willing to give you the torque spec. Tell him I sent you. He might remember me. (he'* the builder of the kick-*** beautiful red 160-amp alternator under one of my hoods).
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Old 11-16-2006, 12:24 PM   #3
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Thanks for the reply will, I believe it'* the rear bearing that is in question. I'll send an email to www.mralternator.com and await there reply. If anyone can remember who posted the topic that will is talking about awhile back, I'd like to get feedback.
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Old 11-16-2006, 12:44 PM   #4
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As well, have you checked in your local area for a rebuilder? I know of one semi local to me and he go throught the alternator and rebuild it for about $30.
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Old 11-16-2006, 12:45 PM   #5
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Quote:
Originally Posted by BillBoost37
As well, have you checked in your local area for a rebuilder? I know of one semi local to me and he go throught the alternator and rebuild it for about $30.
yup thats what i think im going to do to the 140 i got. before i put it on. just so i dont kill it..
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Old 11-16-2006, 12:54 PM   #6
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Quote:
Originally Posted by BillBoost37
As well, have you checked in your local area for a rebuilder? I know of one semi local to me and he go throught the alternator and rebuild it for about $30.

Next time I'm in your area Bill, I'll take it to your rebuilder, cause they're not that cheap here. Other Candian'* can chime and and verify that.
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