Erratic Shifting of the Automatic Transmission on Buick LeSabre

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure control solenoid.

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Average mileage: 121,177 (40,000–220,308)
11 model years affected: 1991, 1995, 1997, 1998, more1999, 2000, 2001, 2002, 2003, 2004, 2005
114 people reported this problem
69 people shared problem details
not changing gears smoothly can feel a slight bump
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2002 Buick LeSabre120,000
hard shifting first and second gear only after the car has been running for 20 mins. If I turn the car off for a few mins. The car shifts ok for about 20 mins. Then problem starts again.
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2005 Buick LeSabre130,000
My 2005 lesabre transmission shifts hard, you feel the shifting from first to seconard and to final shift, is this the pressure control switch. and is it expansive to fix. thank you frank
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2005 Buick LeSabre40,000
Hard shift once the car reaches normal temperature.
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It started around 125000 miles. It only happens when it is cold (usually below freezing). When I shift into reverse to back out of the garage the first time in the morning it really goes into gear with a wham. After that it usually doesn't do it again until next morning. I don't know if it is doing any harm or not. It hasn't been fixed.
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2000 Buick LeSabre120,000
Took a year to diagnose as the shuddering sensation and hard shift was intermittent... I finally found the possible cause on internet to take to the mechanic... 5 hour labor job for a faulty part that should have been recalled... listed on NHSTA website as a bad seal on solenoid allows in dirt and fails
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My 2001 Lesabre jerks as it shifts, but it doesn't always happen. If it does it, it continues to do it. But the next time it might work fine. I have learned to let off the gas and let it slowly shift into the next gear. My husband does not do that so when he drives it really chugs into gear. I have no idea other than what I have read about the transmission solenoid being the problem. But I think that it is strange that it does not always do it. I was quoted $640 to replace the shift solenoid.
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2005 Buick LeSabre53,000
transmission slipping from 2nd to 3rd gear. Banging into gear
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2003 Buick LeSabre147,000
The automatic transmission jerks slightly with normal gear transitions; jerks harder when stringly accelerating.
2001 Buick LeSabre92,000
occasional heavy shifting
2005 Buick LeSabre52,000
Just bought this car as is.Seems to have a shifting issue between 1st& 2nd Gears.Their is a little nudge or glitching of the gears,not very smooth.At higher speed (3rd 4th )you can't tell if their is any issues,it seems to be smooth.Going to have a transmission place check it out.Report later the issue & cost.
2005 Buick LeSabre140,110
automatic trams has a slight bump into second and a bigger bump from second to third. What is causing this
erratic shifting; shifting too early into 2nd and 3rd; and the transmission does not properly downshift when speed is reduced
2003 Buick LeSabre45,000
High idle and erratic shifting
2004 Buick LeSabre155,023
Will not shift correctly
2000 Buick LeSabre156,000
when cranking the car in the morning it usually starts right up, but in the afternoon it wont crank right up, and i have to press the accelerator to keep it crunk, but when i turn on the ac it jerks when i stop or when i try to accelerate while getting on the highway it jerks and stalls until it gradually catches speed,what could that possibly be cause the last time it did that i had the coils changed cause the mechanic said it was the reason my car was misfiring, and now 5 months later its doing the same thing but has gotten worse,so what could it possibly be now
2003 Buick LeSabre160,000
slight jerk when it changes gears
Will not go into reverse
It jerks when putting it in gear or coming to a stop
2005 Buick LeSabre220,308
Well it was taking its time to change but when it do it runs good then I had to wait to the car get a certain temp before it change now it want do anything want to know will a solenoid fix it
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