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Old 02-27-2007, 10:16 AM
cowboyili cowboyili is offline
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Supercharger Idler Pulley

My supercharger Idler Pulley broke off yesterday when the bearing seized. Anyone know what size comes stock on a 98 Pontiac Grand Prix GTP? It's smooth, correct?

If you know the length of the supercharger belt AND the serpentine belt, that would be helpful.

Thanks in advance!
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Old 02-27-2007, 01:32 PM
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jeepgclwj jeepgclwj is offline
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Re: Supercharger Idler Pulley

I went to a GM authorized dealer and got my pulley cheap. I think it was 20-30 dollars. I got my belt from Autozone for a whole lot cheaper than the Dealer . The dealer wanted I think around 50 dollars for the belt and I got a Gator belt(i think) for less than 20.


I dont know the size the pully was but it was smooth. You can look at the Tips and Maintenance sticky and it has a picture of the motor. You should be able to find which pulley you need.
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Old 02-27-2007, 01:54 PM
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BNaylor BNaylor is offline
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Re: Supercharger Idler Pulley

Quote:
Originally Posted by jeepgclwj
I dont know the size the pully was but it was smooth. You can look at the Tips and Maintenance sticky and it has a picture of the motor. You should be able to find which pulley you need.
I almost fell out of my chair. Good advice jeepgclwj. A picture is worth a thousand words.

http://www.automotiveforums.com/vbul...d.php?t=653341

Stock SC belt = 66.0"
Main Serpentine Drive Belt for '98 = 93.5" or 93.0"



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'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8
'02 Oldsmobile Alero GL2 - LA1 3400 V6
'99 Buick Regal LS - L36 Series II 3800 V6
'03 Honda CR250R MX - 2 Stroke 250cc
'97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold)
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Old 02-27-2007, 04:46 PM
wethepplebmxer wethepplebmxer is offline
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Re: Supercharger Idler Pulley

yea i had both mine replaced for like 50 bux or somthin.
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The GTP's Kill list:

- 07 Impala SS
- 06 Cobalt SS S/C
- 00 Mustang GT
- 06 Charger R/T
- 90ish Prelude (modded)
- Eclipse GTS
- 03 or so Civic Si
- 96 Eclipse GS-T (some mods)
- 04 WRX (manuel)
- 94 Prelude V-tec (head, cat, more...)
- 06 WRX
- 96 T/A
- 05 300C


Mods: Thrasher CAI, 3.4 pulley, straight pipe (res and u-bend delete), ZZP PCM, Colder plugs, new wires, 180 t-stat.
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Old 02-27-2007, 08:47 PM
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Re: Supercharger Idler Pulley

Thats the picture I was thinking of. Thanks bnaylor

The pully that broke on me was the number 9 one. It took a torx bit to rmove the bolt size 45-50 I think. It was really easy to take out and replace. The hard part for me at first was getting the belt back on but once someone told me how to do it it only took a couple of seconds..
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