Shutter at high speeds - 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 09-02-2003, 05:47 PM   #11
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I drove the bonnie some more today and found out mine car only does it with the AC on. Last summer my compressor started making some noise and I put some AC oil in the system and the noise stopped, but could the compressor be going out and stressing out the engine?
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Old 09-03-2003, 03:05 PM   #12
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Default a little fix?

I have a 1995 Bonneville SE. I had the same problem around 45 to 60 MPH on uphill grades. I replaced the plug wires with Bosch but had a little shutter in it. I finnally broke down and replaced all the coil pacs this fixed my problem and I have'nt had any shutter at all since I did this.
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Old 09-04-2003, 01:12 AM   #13
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Quote:
Originally Posted by big_boss2010
... I finnally broke down and replaced all the coil pacs this fixed my problem and I have'nt had any shutter at all since I did this.
These are almost always an ignition problem of some type,... distibutor/coil packs, wires, plugs. Feels like a tranny, but only occassionally is.
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Old 09-04-2003, 02:10 AM   #14
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I thougt it was the tranny then I got a new one put in because I blew it up. and it wasn't that. And the chances of getting another trany that would make a car do that is slim. I thought it might be the coils. I already have new plugs and wires.
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Old 09-04-2003, 03:53 PM   #15
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Default coils,coils, and more coils

Yeah I would say just to replace the coil packs that would be anyone'* best bet in a situation like this if it still shutters after you replace the plug wires.
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Old 09-04-2003, 11:41 PM   #16
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What and how do you replace the coli packs? how much are they?
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Old 09-05-2003, 02:13 AM   #17
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All you have to do is take off the bolt on each of the three coils. remembering which plug wire goes where. do one at a time. There should be only one bolt on each coil. the bolts will be on the left side of the coil. And the price for each coil is $27.59 through www.gmpartsdirect.com. It is only about a 10 -15 minute job. Its real easy
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Old 09-05-2003, 11:19 PM   #18
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Default $$$

I gave pretty close to $31 a piece at auto zone when I replaced mine.
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Old 09-17-2003, 07:11 PM   #19
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I just changed my coil and my fuel filter and the shutter is completly gone. I payed about 30 for my coil. Oh yeah. I only changed one coil. So you should all check each of your coils seperately. It may only be one coil that needs replaced. Save your self $60
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Old 09-19-2003, 11:25 AM   #20
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My car had the same hesitation . I had a tune-up done (wires, plugs, fuel filter and pcv) and the hesitation is gone. My mechanic said one of the wires was in poor condition.
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