1995 buick lesabre tranny - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 04-08-2011, 09:56 AM   #1
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Default 1995 buick lesabre tranny

Just bought this car no engine lights on battery went dead changed battery now engin light is on.Took it to a shop they put it on the meter and comes up the lock out torqconverter is not working.I don't notice in change in the way the tranny works just don't like the check engine light on.Besides taking it to a high priced tranny shop is there anything I can check myself.Also I noticed that the light on the climit control light is flashing
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Old 05-11-2011, 05:04 PM   #2
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moved to it'* proper Mechanical Section. General Chat is for items that affect all platforms and "General Chat". It really helps the GearHeads, others with ownership of same/similar Models, the Forum regarding search bots, and our own internal search engine when we keep things in order. Thanx.
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Old 05-11-2011, 06:57 PM   #3
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With the car in PARK and the KEY in the ON position see if you can move the shift lever without, touching the BRAKE Pedal. It should not move until the pedal is touched! Get back to us!
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Old 05-13-2011, 10:11 PM   #4
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If the torque converter clutch is not working, you will not notice.
Can you post the code that is being set?
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Old 09-29-2011, 01:41 PM   #5
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My climate control numbers flash for a bit when I start my car up too. It did not do that when I originally bought the car, and seems to have started happening around the same time I noticed the dual climate control does not work right. There is a part, I forget what it is called....on the passenger side, up in behind the glove box with a little metal arm and a white plastic piece. Sorry for the bad description. I can adjust that as the seasons change, it was jammed, and now it slides real easy. Does one side of the car run hot while the AC is on, or cold when heat is on for you too? once I got it adjusted right it seems to work fine for me for now. I think I need to take the dash apart to get at that little modulator deal and put a new one in....not sure.
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Old 09-30-2011, 06:22 PM   #6
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[QUOTE=boscoe168;1519077] Took it to a shop they put it on the meter and comes up the lock out torqconverter is not working.I don't notice in change in the way the tranny works just don't like the check engine light on.Besides taking it to a high priced tranny shop is there anything I can check myself QUOTE]


You can verify the torque convert is NOT locking up by driving on a flat road at a steady speed of perhaps 55 with a constant accelerator position. Use your other foot to touch the brake pedal to just lightly apply brakes without slowing down. The torque converter should unlock and the tachometer speed on your dash will increase a couple hundred RPMs. If it is already unlocked, you'll notice no change because you're already running with a slip in the torque converter.

Other than a slight loss in gas mileage at highway speeds you won't notice much difference. If most of your driving is city or suburban, you can get along without it. If you do some highway in 3rd or 4th, you'll lose a little mileage.

It might be just a problem with the solenoid that does the lockup. I do not know if that'* accessible from the pan or from the side. If it'* the pan, it'* not so expensive.
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Old 10-03-2011, 04:24 PM   #7
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Just curious....can someone tell me what the torque converter clutch does exactly? and what are your rpms at when you get up into the 70-75 mph range? I have had quite a few shifting issues with my 95 limited. But in the end tranny seems in great shape, just lots of other little problems here and there. some threw a code, some didnt. runs like a charm now. And when my car would not go into OD I dropped off a good 8 mpg on the highway.
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