12-01-2009, 11:59 PM
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#1
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GLS member
Join Date: Feb 2008
Location: NY
Posts: 1,226
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both idler pulleys changed style?
bought 2 new delco idler pulleys. they are different from the factory ones. still delco but the dust cap changed and idk what to do the old dust cap had the bolt built into it the new ones dont so when i bolt these on they dont spin straight they have a shimmy in them and that seems to be causing a very slight rattling. i double checked the dealer confirms thats the correct pulley but it makes no sense to me anyone run into this anyone changed their factory with the replacement delcos how did you get them to fit and spin correctly?
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12-02-2009, 12:51 AM
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#2
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AleroMoB
Join Date: Jun 2008
Location: Lumberton, NC
Posts: 389
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^^Try the old bolts...
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2001 Oldsmobile Alero 4Dr GL2 w/ 2005 GAGT Motor
CC & PB, Tinted Tails, 3K HIDs (Lows/Fogs), GAGT Mirrors, Flowmaster Exhaust, D/S Rotors, CAI, Rockford Fosgate T400-4 T800-4, 1 15" C3, Rockford F 5.25/R 6x9
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12-02-2009, 01:01 AM
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#3
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GLS member
Join Date: Feb 2008
Location: NY
Posts: 1,226
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i wish u cant because the old bolt is also the duscap which is to big to fit the new pulleys delco re designed the new pulleys so you cant use the old bolts i wish i had taken pics to show what i mean
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12-02-2009, 01:04 AM
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#4
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AleroMoB
Join Date: Jun 2008
Location: Lumberton, NC
Posts: 389
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Hmmmmm
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2001 Oldsmobile Alero 4Dr GL2 w/ 2005 GAGT Motor
CC & PB, Tinted Tails, 3K HIDs (Lows/Fogs), GAGT Mirrors, Flowmaster Exhaust, D/S Rotors, CAI, Rockford Fosgate T400-4 T800-4, 1 15" C3, Rockford F 5.25/R 6x9
Last edited by Chipmunk-Alero : 12-02-2009 at 01:12 AM.
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12-02-2009, 01:09 AM
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#5
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V.I.P. Member
Join Date: Nov 2003
Location: Plano, Tx (dallas)
Posts: 1,643
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your suppose to reuse the old bolts. They tap out of the old pulley. I change my idler pulley's the same time i change my belt at 50k.
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I dont have an alero no more...
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12-02-2009, 01:24 AM
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#6
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GLS member
Join Date: Feb 2008
Location: NY
Posts: 1,226
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ok on yours you could use the old bolt for the new pulleys? see on the new pulleys the dustcap wouldnt fit because it was like a bolt attatched to a circular plate if you will which sits nicely in the old pulleys but does not sit whatsoever in the new ones if that makes sense?
this might help this is the new design if u look closely the old bolt/cap wouldnt fit on it?
http://parts-catalog.acdelco.com/cat...log_search.php
Last edited by irondiezl3 : 12-02-2009 at 01:29 AM.
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12-02-2009, 01:59 AM
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#7
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V.I.P. Member
Join Date: Nov 2003
Location: Plano, Tx (dallas)
Posts: 1,643
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Looks the same.
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I dont have an alero no more...
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12-02-2009, 08:07 AM
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#8
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Now a Ford Traitor.
Join Date: Mar 2008
Location: Greenland
Posts: 6,996
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is the pulley itself worn? if not, reuse the old pulley with the new bearing
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12-02-2009, 10:37 AM
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#9
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V.I.P. Member
Join Date: Nov 2003
Location: Plano, Tx (dallas)
Posts: 1,643
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Quote:
Originally Posted by Nate's Alero
is the pulley itself worn? if not, reuse the old pulley with the new bearing
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You can't.
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I dont have an alero no more...
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12-02-2009, 10:46 AM
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#10
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GLS member
Join Date: Mar 2008
Location: Baltimore, MD USA
Posts: 5,529
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Pics?
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12-02-2009, 11:03 AM
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#11
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Now a Ford Traitor.
Join Date: Mar 2008
Location: Greenland
Posts: 6,996
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Quote:
Originally Posted by AftermathAlero
You can't.
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no? huh
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12-02-2009, 12:32 PM
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#12
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GLS member
Join Date: Nov 2007
Location: Fort Knox area, KY
Posts: 2,120
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It shouldn't be that hard, I've used junkyard idlers from Ford, and off other GM's, too (to get increased diameter idlers for pulley swaps). You can remove the large diameter retaining washer from the threaded part of the bolt if needed.....
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