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.

Trans finally went at just over 200k

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Old 03-24-2008, 03:06 AM
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Default Trans finally went at just over 200k

Well the wife and I were on our way home from her moms tonight in the 95 and suddenly the car just lost power for a few seconds then came back. I had the cruise on and was heading up a pretty good hill. I quickly turned off the cruise and stepped on the throttle. The car started to climb as normal then suddenly lost power again. So I then dropped to D and it seemed to be ok except when I decelerated it would start to chatter. So I poped it back into OD and it went in but as soon as I let off it would chatter violently. So I put it back in D and got it to a gas station to check it over. By this time it was violently chattering worse and worse as I drove it. I checked the fluid and it was full but is burnt. I got back in and brake torqed it and it just chatters wile sitting there and the rpms were slipping to 2500 rpm. So what trans can I use in this car. I know it has to be the 3.06 ratio and a non HD but what years and cars should I be looking for? I am planning to go with one from a yard cause thats about all I can afford right now.
Old 03-24-2008, 12:31 PM
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Well, my buddy owns a transmission shop. I have a little over 200K on my 94 SE and he said he was surprised that I made it past 140K on the original transmission. He told me that when it finally dies, it would be better to rebuild the original than to use one from a junk yard.

If I remember correctly, he said something about the transmission and converter being "tuned" to the engine at the factory. A junk yard unit would work, but may not work smoothly.

Not sure how much longer I have. I have changed the fluid every 30K miles. Who knows...
Old 03-24-2008, 02:37 PM
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Yeah I am not sure about that one. I need to find a cross reference on the years and cars that will work in mine. I have a possible 94 donor but I dont know if a 94 will be the same as a 95. If anyone has any cross reference for the 95 SE trannies it would be greatly appreciated.
Old 03-24-2008, 03:21 PM
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If the only issue is the number of reluctor teeth, keep the original differential and install it in a 96 trans.

I'm not familiar enough with the non-HD compatibilites to know if that'* the only difference.
Old 03-24-2008, 03:29 PM
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Well my bro is coming up from Texas tomorrow with a wrecker and he has a 94 PA that as long as it has the 3.06 ratio it should work? I wasnt sure if a different body style makes a difference. However there is also a local 94 Bonne SE on his Texas C-list that has 80k and is for parts. That one then would be worth it for the whole drivetrain. The guy wants $900 for the whole car.
Old 03-24-2008, 03:54 PM
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Awesome thank you all for the help.
Old 03-24-2008, 04:40 PM
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Well I have some awesome news. My brother just called and told me the Park Ave has a GM Goodwrench rebuilt trans that was just put in it 3 months ago! I am very happy to hear that. He is bringing the whole car and it has about 115k on the clock. Finally a break with all the stuff going wrong. Thanks again for the help.


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