1998 SSEI transmission problem - 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 09-25-2007, 11:55 AM   #1
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Default 1998 SSEI transmission problem

Man, there is a forum for everything these days, I am glad you guys are here.

I am a newbie here obviously but I did post an intro in the introduction thread.

What I have going on is a shiting problem in my girlfriends '98 SSEI, 3800 supercharged, it shifts so hard it gives you whiplash at anyspeed, sometimes when you stop, it won't down shift so you take off in 2nd or 3rd gear. My first thought, maybe because it is a cheap easy fix was shift solenoids sticking...........my other thoughts are a lot more expensive and would probably end in the demise of this 235,000 mile car.....that would be sad.

Any ideas??

Thanks in advance for any help.
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Old 09-25-2007, 12:00 PM   #2
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sounds like it could be the shift solenoids to me also, however, don't plan on that being cheap, as they are inside the transmission, and the transmission will have to be removed in order to replace them.

are you getting any Check Engine lights?

edit: 235k on the original drivetrain? I'd be happy with what it gave, and probably start looking for a new transmission/car
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Old 09-25-2007, 12:10 PM   #3
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No check engine lights, I know the parts are not too bad price wise. You only have to remove the side pan don't you?

I guess I should have mentioned that I was a Transmission Tech at a GM dealership back in the early 90'*. The Electronic tranny'* came out right as I was leaving the buisness so I am not as familiar with them as I would like. This is basically a 440T4 with electronic shifting isn't it? o be honest I am not sure what Transmission this has, i was assuming a 4T60E-HD
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Old 09-25-2007, 12:11 PM   #4
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its the 4t65e-HD, and you may be right about only having to remove the side cover.
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Old 09-25-2007, 12:16 PM   #5
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cool, thanks
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Old 09-25-2007, 12:28 PM   #6
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IIRC, you don't have the space to be able to remove the side cover with the tranny in the bay. That cover is too wide by about an inch to clear the fender.
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Old 09-25-2007, 12:34 PM   #7
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Shift solenoids are inside the side pan. I thought the 65'* have an electronic pressure control that is prone to failure?
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Old 09-25-2007, 12:44 PM   #8
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I'd like to know more about the electronic pressure control if anyone has any info
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Old 09-25-2007, 12:58 PM   #9
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It seems that it'* actually called a pressure control solenoid. It'* symptoms are shuddering on take-off.. You have not mentioned these being the issue.

Here is a link to 3800pro where I found that much out.

http://www.3800pro.com/forum/showthr...ntrol+solenoid

Also...

http://www.3800pro.com/forum/showthread.php?t=14520
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Old 09-25-2007, 01:04 PM   #10
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thanks, it does shudder on take off, I thought that it wasn't down shifting coming to a stop but it sounds like this maybe something to look at, thanks
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It seems that it'* actually called a pressure control solenoid. It'* symptoms are shuddering on take-off.. You have not mentioned these being the issue.

Here is a link to 3800pro where I found that much out.
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