Just bought a Bonne - 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 07-01-2006, 12:46 PM   #1
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I just got this 94 bonneville se with 150,000 miles on it. It runs great and everything is smooth except for when i get up to high speeds. It starts shaking the faster and faster i go. Does anyone know how to fix this?
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Old 07-01-2006, 12:57 PM   #2
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Step 1: Stop going high speeds


But seriously, what kind of speeds are we talking here? The first thing you should try is too probably get your tires balanced.
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Old 07-01-2006, 01:13 PM   #3
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like 70-90
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Old 07-01-2006, 02:21 PM   #4
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hrmmm.... i would get the tires balanced, but usually out of balance tires usually show 55-65. also have them check the tires for uneven wear, and possible defects.
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Old 07-01-2006, 03:08 PM   #5
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First get your tires balanced.

Check your hub bearings while they have the car off the ground. Grab the tire at the top and bottom and try wiggling it around. If it moves, you may have a bearing problem.

If all of that is okay, and it still shaking, you may have bad bushings, tie-rod end-links, unbalanced brake rotors or other problems.

Does it shake harder under braking? Does steering the wheel shake?

99% it'* unbalanced tires...
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Old 07-01-2006, 04:24 PM   #6
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It doesnt shake after i brake and for the steering part, I never paid attention so...
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Old 07-01-2006, 05:10 PM   #7
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If you havent changed plugs and wires, I would do that unless they have been changed recently.It may be the engine making the car shake.
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Old 07-01-2006, 05:37 PM   #8
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if she has alloy rims. they could be bent.
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Old 07-01-2006, 05:39 PM   #9
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great suggestions, but back to the original question.

i would take it to a tire place and have them road test it and see what they suggest, and go from there. as a guy who used to deal with tires, my first suggestion from what you've described would be to balance the tires.
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Old 07-01-2006, 11:42 PM   #10
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someone told me it could be the wheel bearings because they're rusty. The car sat in the dudes garage for 3 months before he sold it to me and the dude told me that when the car sits, the bearings rust. Could this be a possibility?
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