Question about 1991 Chrysler LeBaron

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The A-604 ultradrive transmission goes into 2nd gear or neutral at ANY speeds

I just bought this car from a little old woman. It has 33,564 origional miles on it. She said it ran fine for her till one day it downshifted into 2nd and stayed there. We thought it was one of the transmission sensors, (speed sensor, PRNDL switch, or the shift solonoid).
When you are driving AT ANY SPEED, if you lift your foot off the gas the transmission violently downshifts into 2nd gear and stays there till you shut off the car and let the ECM reset. But it will also slip into neutral when you are going from 3rd into 4th (overdrive). When I first bought the car I ran it in 3rd and it ran and shifted, 1st-2nd-3rd, just fine. But now when it shifts from 2nd into 3rd it is slipping also. This just started. According to the Center for Auto Safety this was a common problem with this A-604 ultradrive transaxle. They have many cases listed. The Center for Auto Safety also states that Chrysler was to wave the deductable, provide a loner car, and repair the problem. If the problem was unfixable then Chrysler was to buy the car back from the owner. They also classify this as a high safety issue since the car gives NO WARNING before it goes into neutral or 2nd. This transmission is not only in the Lebaron, but the New Yorker, Dynasty, Caravan, and others. Back in 1992 Chrysler advertised an unpresidented campain to notify the owners, but just how hard did they try. Chyrsler does not list this as a "recall" but they called it a "call back" for repairs. There were over 1million vehicles with this transmission called back for repair, but I think mine was never fixed.
Do you have any ideas how to get this fixed?? I do not feel I should have to pay for a "defect" in the transmission, and I definately cannot afford a new transmission!!

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I have a 90 lebaron when i first take off and it shifts good till i hit 3rd it wants to jump until i get about 35 then it will drop ito low even if im going 45 or 55 mph what would cause this.

Posted on May 22, 2011

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Your car is 17 years old and from working for Chrysler for 15 years, I can tell you there is no recall or "call back" for repairs. Chrysler will do nothing for a 17 year old car no matter what the mileage is. I would suggest a good transmission shop and about 1000 dollars will fix your problem. If this car is very low mileage and in good shape, it is well worth the money. You can't replace the car for $1000 anymore!

Posted on May 21, 2008

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I've rebuilt hundreds of these transmissions through the years,typical parts lists range from solenoid blocks and TCM's to completely wiped out gear trains.Typical price for rebuilding that trans with new electricals included is any where from $2000-$3000 with a 12/12 or 36/36 warranty.

Posted on Jul 10, 2008

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your ultradrive transmisson has failed, and your stuck in limp home mode. you have 3rd and reverse.

that was the good news.

the bad is that you need a new transmission. the ultradrive transmissions are very problematic. do a search on chyrsler ultradrives and than write a really angry letter.

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