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Buick LeSabre Transmission

57 messages,  Last post on Oct 01, 2009 at 6:28 PM

You are in the Buick LeSabre Forum. Your Hosts are pat & karens

What is this discussion about? Buick LeSabre, Transmission, Sedan


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#18 of 57
moving from parking to drive. by parku
Mar 15, 2008 (2:42 am)
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Hello,I have 1995 lesabre car starts but does not move from parking to drive .
#19 of 57
Re: moving from parking to drive. [parku] by imidazol97
Mar 15, 2008 (9:22 am)
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Replying to: parku (Mar 15, 2008 2:42 am)

Does it have fluid up to the low mark of the dipstick when cold (to the full mark when hot after being driven)? I realize this is probably an obvious check.
 
Does it go into reverse after a few minutes of idling? Sounds like it needs a major diagnosis by someone on the scene.
#20 of 57
Re: 2005 Buick Lesabre [barbara13] by imidazol97
Mar 15, 2008 (9:25 am)
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Replying to: barbara13 (Dec 30, 2007 5:28 pm)

I haven't heard that description for transmission problem. Is it an engine problem?
 
Miles on car? Plugs wires changed in the last 60-70K miles with AC plugs and OEM level wires? Possibly a coil problem reacting to heat. Check each coil tower for cracks or tracing of spark jumping. Check bottom of coil for poor contact to base to which they bolt.
 
Check connector at the end of the base for poor contacts.
#21 of 57
Transmission/Bearing by lbmcajun
May 12, 2008 (5:17 am)
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I have a 2005 LeSabre, 167,000 miles. I have a whining/mild roaring sound coming (sounds like) from the driver's side wheel well. Three mechanics have checked the bearing, they all say it is fine, but they also say they do not believe it is the transmission. None of them have any further suggestion except to continue driving the car until it gets worse. Any diagnostic ideas?
 
LBM
#22 of 57
Re: Transmission/Bearing [lbmcajun] by imidazol97
May 12, 2008 (6:28 am)
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Replying to: lbmcajun (May 12, 2008 5:17 am)

Can you describe more about the sound? How loud? Change with speed? Can you feel it in the steering wheel? In the floor? Does the sound change if you move the wheel for a left curve or a right curve. That can make a wheel bearing sound out more. But I have read some people with difficulty diagnosing a wheel bearing.
 
Check the wheel bearing for play, up/down, left/right with the wheel jacked up.
 
How are the tires? Worn unevenly? More than 5 years old? Tire tread hardens with age and can cause a sound from the knubs that is reminiscent of snow tires at a low volume in the old days.
 
Has anyone put the car on supports in front and driven the wheels with the motor through the transmission?
 
Number 1 would be wheel bearings if the tires are okay.
Number 2 would be the differential inside the transmission.
 
Frankly you might save yourself some trouble by going to a good Buick garage for a diagnosis, whether or not you intend to let them fix anything.
#23 of 57
Re: Transmission/Bearing [imidazol97] by lbmcajun
May 12, 2008 (7:56 am)
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Replying to: imidazol97 (May 12, 2008 6:28 am)

The sound is difficult to describe. It is a mild whining/roar. Not a loud roar like you normally hear with a wheel bearing. Does not change sound when turning. However, it DOES change with speed. In fact, below 35 mph is only barely noticeable, and below 25, cannot even hear it. Tires are almost new. A mechanic did put it on supports. They said the sound was less pronounced with the wheels off the ground. ?????
 
What is the cost of the differential inside the transmission ? $2,000 or more ? If yes, I'll just trade it.
 
Thanks much!!
 
LBM
#24 of 57
Re: Transmission/Bearing [lbmcajun] by imidazol97
May 12, 2008 (8:08 am)
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Replying to: lbmcajun (May 12, 2008 7:56 am)

Was the sound there before the tires were put on?
 
What tires do you have? I'm curious about the tread causing a vibration.
 
But actually I believe it's a wheel bearing.
 
Jack it up. Rock the wheel around and compare one side to the other looking for looseness. Be sure you're not getting ball joint movement, though.
 
Have someone rotate the tire and put your hand on the solid frame of the car to feel for vibration from the bearing.
 
The description sounds like a wheel bearing I had. You're at 157K miles. A bearing is possible.
#25 of 57
Re: Transmission/Bearing [imidazol97] by lbmcajun
May 15, 2008 (5:11 am)
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Replying to: imidazol97 (May 12, 2008 8:08 am)

After taking it to the fourth mechanic (including the Buick Dealership, who could not figure it out), the problem IS the wheel bearing. The last place I took it was a transmission place. He ruled out the transmission right away, and in 30 minutes, said he would bet his next pay check it was the bearing. THANKS FOLKS FOR ALL YOUR HELP!!!!!
 
BTW, I learned something about transmission in my search. If any of you have a hard thud at times when shifting gears, and it is only now an then - according to the transmission guy AND the dealership - it is the computer - but neither knows how to fix it, or what makes the computer do that. And also, it will not show any code when checked. If you park the car, turn off the engine long enough for the computer to reset, and re-start the engine, the probloem goes away - until the next occurance, of course.
#26 of 57
Re: Transmission/Bearing [lbmcajun] by barbara13
May 27, 2008 (8:03 am)
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Replying to: lbmcajun (May 15, 2008 5:11 am)

Thank you so much for the information regarding the "bucking" that appears to be a transmission problem but goes away and then cannot be found by code. It sounds like the computer may be the problem as once the car sets and is restarting the problem appears to go away. Thank you for your response.
#27 of 57
Re: Transmission hard thud [lbmcajun] by whitewall
Jun 21, 2008 (5:34 am)
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Replying to: lbmcajun (May 15, 2008 5:11 am)

thanks for the info on the "hard thud". I have a 2004 LeSabre and have noticed this kind of noise from time to time but like you said there really doesn't seem to be any pattern as to why or when. I was concerned that this was an early sign of a the transmission going bad but the car runs great in every other respect.

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