Transmission slipping - 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 12-03-2007, 12:33 PM   #1
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Default Transmission slipping

I got into my 1994 Bonneville SE (99k miles) and put it into gear. The engine revved, but I did not go anywhere. I shifted through the gears and then it shifted into reverse and ran fine. I checked the oil and it is full and looks brand new (bright red). I got in it today and the same thing happened, runs fine after I get going. Any ideas on what is wrong? I searched, but couldn't find this problem in the forums.

Thanks!

1994 Bonneville SE 99, miles
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Old 12-03-2007, 12:36 PM   #2
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I was about to suggest cold temperatures as a possible cause, but now that I see where you're posting from (the land of perpetual warmth and sun), I'd have to say we need to look at other causes. Like the 1-2 shift solenoid sticking.

If it does it again, get some Seafoam Trans-Tune (must say trans tune on the bottle) and follow the instructions on the can. Give it a good 50 miles and some heat to work through your system. Let'* hope the solenoid issue (if that'* what it is) is just 'sticky' in a mechanical sense, rather than electrical.
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Old 12-03-2007, 08:53 PM   #3
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Thanks, I will give the Seafoam Trans-Tune a try. Would it also be a good idea to drop the pan and change the filter (if the filter is there)? I just hope the tranny isn't going. I just changed the water pump and LIM gasket.

Thanks again!
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