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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 12-22-2007, 07:37 PM   #1
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Default Loud Tensioner Pulley

Ever since I pulled the belt off to port the LIM, the tensioner pulley has been making noises like the bearings might be going out. I free spun it with the belt off, and it spun freely, but it made the noise. And the spring was noisy too until I pushed it up and down a few times.

Could I spray some white lithium grease in there to quiet it up, or do you think I need to get a new tensioner pulley? It'* just annoying when you start it up in the morning and when you're idling.
- Josh

1997 Bonneville SE - H4U, 3.06:1, Tinted Tails, Bridgestone Potenza G009 225/60/16s
Performance: INTENSE PCM, INTENSE 180* T-stat, Gutted air box, K&N air filter, Ported LIM, Borg Warner Wires, NGK TR-55 Plugs, Adjustable Trans Modulator, Flowmaster 80 crossflow muffler w/ quad tips.
Bells and Whistles: 2x Kicker CVR12 Subs in vented box, 1000W RMS 1-ohm American Bass Amp, Pioneer DEH-P6900UB Head Unit, Hardwired Whistler Pro 58 Radar Detector, Hardwired and Customized Mio c310x GPS
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Old 12-22-2007, 09:12 PM   #2
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I would replace the pulley. You dont want it to freeze up and take out the belt on the highway and then loose your accessories, and possibly have more problems. It shouldn't cost more than $25 at your local autoparts store and it is usually very easy to replace. As far as the tensioner itself I would have to see it to know if it is possibly bad. Check your marks for the belt tension to see if it is within range. I guess it would help to know how old the belt is too.
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