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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 07-27-2010, 03:10 PM   #1
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hey guys, i am getting a fast clunking noise from my supercharger when its idling, if i push on the gas the sound goes away, any ideas on what may have gone out in the supercharger
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Old 07-27-2010, 03:37 PM   #2
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How do you know for sure that its the supercharger?
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Old 07-27-2010, 03:43 PM   #3
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You can confirm it'* the charger by removing the belt (actually untensioning it) and turning the charger pulley back and forth quickly. If you have a clunk/play in it, then that'* the coupler. You can get the coupler, instructions, oil etc at RollingPerformance.com for about the best price.

Toughest part is there'* no room between your charger and the accessory bracket on your Series I motor and you'll have to pull the charger to replace the coupler.
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Old 07-27-2010, 04:04 PM   #4
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thank you i hear it coming from the nose, also i believe the super charger is leaking oil becouse when i checked it it was almost empty, could this still be the coupler, does it have any way of using oil otherwise?
thanks for the help
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Old 07-27-2010, 04:36 PM   #5
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Snout bearings and or seal could be going out. Check for play in the shaft.
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Old 07-28-2010, 07:50 AM   #6
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Our chargers typically seep a little oil. They take (S2) 8oz and GM FSM states that we should check it every 30K miles and top off as needed. The usage is normal from the sound of it.
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