Vibrating - Page 2 - 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 04-22-2008, 01:18 PM   #11
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Yes, yours will probably use a couple of screws to mount, but will be same, cylinder shape outside and located near the TPS on the TB. Maybe somthing like this:
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Old 04-22-2008, 11:27 PM   #12
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alright peoples. Changed wires today. No change. Anyone else got any ideas? i dont. I disconnected the battery for the night in hopes that the computer will relearn the engine and not do this anymore. (I wont hold my breath on that though, i dont think it will work) It really bothers me when stuff is broken
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Old 04-23-2008, 10:39 AM   #13
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Quote:
Originally Posted by 93RedSled-SSE
If you want more assurance, you can pull the wires off the coils one at a time, with motor running and IAC unplugged. The miss will either get worse or stay the same. Of course, when the miss does NOT get worse with a wire off, that is one of your bad plugs, wires or coils. I'm a chicken, so I like to use rubber handled pliers and rubber gloves. It will still give you a little tickle when the wire is put back on.
Call me "Sparky."
Did you do this test? You can either KNOW it is the ignition or eliminate it as a possibility and go on to something else.
So, if every time you pull a wire, it gets worse, and it does it on every wire, then it would eliminate the ignition as the culprit (at idle anyway).
IMPORTANT: Procedure says to not run it for more than 2 min. w/IAC unplugged.
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Old 04-23-2008, 12:11 PM   #14
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ok i will try it. not looking forward to getting shocked though
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Old 04-23-2008, 12:20 PM   #15
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My experience is that you get a tingle putting the wire back on the coil.
So, an option would be to shut it off in between, put the wire back on and then restart to check the next one and so on. If it is running when you pull one, it will be more apparent if you get a change or not.
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Old 04-23-2008, 01:03 PM   #16
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I did the shutting off method and i found the problem. The number 4 post wasnt arcing on the coil pack so i changed it out and now it runs beautifully, which is weird since i changed the coil packs to begin with when i first started having a problem. But anyways, thanks for all your help this site has helped me with my troubles alot and saved me lots of money. Im sure with 192000 miles on the clock something is bound to go wrong again lol.
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Old 04-23-2008, 01:33 PM   #17
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Eureka! Glad to hear it.
Come back often.
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Old 04-23-2008, 01:37 PM   #18
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Lol i do but usually i just lurk and read lol
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Old 04-24-2008, 05:16 PM   #19
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Default same problem w/ vibration

i just bought this 93 bonne 2 months ago.

here is the problem,
when im on idle mode i have this vibration, you can even notice the vibration
even your in the backseat.
and when step on the gas and move forward i have much stronger vibration.when im on the 3rd-4th gear, the vibration are getting lighter and ligher when i reach up to 120kms it runs smoothly.

and when i brought it to mechanic, he said that i have busted engine support all 4 of them. im planning to change the engine support when i saw this thread about vibration.
they found out that the vibration are coming from coil pack.

any advice pls, what should i do first..
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Old 04-24-2008, 05:28 PM   #20
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Odang3... please start a NEW TOPIC for your problem. See "New Topic" button at the top of this page or on the main 1992-1999 Forum. thanks
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