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Buick Lesabre automatic transmission 4T65E

 
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gryanexpress gryanexpress
New User | Posts: 1 | Joined: 07/05
Posted: 07/04/05
02:05 PM

I have a 2001 Buick Lesabre with the auo and Overdrive.  We had it checked at the dealership 3 times when complaining about the transmission slippage.  No results and now it has gone out completely.  When you shift the car does nothing. Torque converter problems are a possiblity if we have not already done damage to the tramsmission itself.  What would you suggest i start with contacting Buick and local dealership?

gryanexpress  

diana diana
New User | Posts: 1 | Joined: 07/05
Posted: 07/24/05
06:32 AM

I'm glad I have read your message.  I have a 2001 Buick automatic, limited edition and have slippage when going up hill when the car needs to shift and also when beginning to accelrate from a stopped position (at a light ,stop sign etc...).  I have 87,000 miles on my car (mostly highway).  I brought it in to the dealer at 31,000 due to transmission problems and the dealer replaced some bearings (at no charge and even though I was over the 30,000 mile manufacture period).  The slippage has continued to get worse, at first I just thought I occasionally bought some cheap gas as I did not suspect the transmission.  Now, the problem is getting owrse and more frequest. The other day, it seemed my car almost stalled/stopped.  I read that these cars do have a reliability problem with the automatic transmisison control solenoid and a related connector.  This is supposed to be a simple (inexpensive) fix.  I plan on bringing my car in tomorrow.

Diana  

Roy-#001 Roy-#001
New User | Posts: 1 | Joined: 11/05
Posted: 11/09/05
07:51 AM

I have an 01 Lesabre with 71K miles which has lived in the shop for top end and cruise control problems. Where is my car now? Glad you asked. It's sitting on the back of a flat bed with a completely trashed transmission. Aparently there was a manufacturing issue with that year and model, an advisory was issued in 2003
  I am waiting for buick to get back with me on a cost to repair. So far...2050.00 that was after the agreed to pay for 1/3 of the cost.
  My advice to 01 lesabre owners trade it in while you can.  

USMC Dan USMC Dan
New User | Posts: 1 | Joined: 04/07
Posted: 04/16/07
09:50 AM

Hello, I'm joining the broken down 4t65e club I guess. My wife's Olds is in my garage. I tore down the trans., and found the 4th clutch hub splines all stripped off. The car only has 42,000 miles on it. I ordered my rebuild kit, torque converter and shift kit today. I expect to find the clutch packs in good shape since the transmission just flat out quit pulling. I thought at first the input shaft broke in the torque yet it looks good. There are heat treated replacement parts for the weak ones in the transmission. It is a fix what you find rebuild. I'm still breaking it down. Hope to not have to remove the transmission again. This is its first time since the factory.

Good luck to the other 4t65e owners. All we can do is pay it and go on. Do your research and install heavy duty parts if you want it to last. There are racers that build them to last. They don't short cut. If it is a daily passenger car talk with a local trans specialist who can help you plan the list of parts you will need to invest in. A trans cooler is always a good investment. Strongly recommend you monitor the installed cooler and lines for leaks. Make sure nothing is rubbing anything.  

airworld2 airworld2
User | Posts: 107 | Joined: 01/07
Posted: 04/19/07
04:17 PM

I have been watching the board and I have to say 4T65 is a good built transmission much beefer than  GM's previous design of 440T4  or 4T60E. they have had issues with solenoids and gear train failure but overall very stout transmission.  

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