- #152 of 184
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Re: 2006 Chevy Impala LT tranny issues [dave1175]
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Jun 08, 2009 (6:46 pm)
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Replying to: dave1175 (Apr 27, 2009 9:28 am)
After over a year in & out of dealer trying to get my transmission fixed I am finally posting problem to the National Highway Traffic Safety Admin. (NHTSA) as a safety issue -- Case #10270004. Safety issue because this random jerking of the transmission upon taking off in traffic, at light, or from stand still has caused: (a) my wheels to spin, (b) the car to pull into the next lane, (c) almost rear-end collision with car in front, and (d) sudden rapid acceleration pulling into garage.
I am suggesting we all do the same. If the new GM is going to emerge from bankruptcy on top, they must learn to address these problems and not ask us to accept them.
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- #153 of 184
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Re: 2006 Chevy Impala LT tranny issues [tra9105]
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Jun 08, 2009 (6:48 pm)
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Replying to: tra9105 (May 26, 2009 5:50 pm)
After over a year in & out of dealer trying to get my transmission fixed I am finally posting problem to the National Highway Traffic Safety Admin. (NHTSA) as a safety issue -- Case #10270004. Safety issue because this random jerking of the transmission upon taking off in traffic, at light, or from stand still has caused: (a) my wheels to spin, (b) the car to pull into the next lane, (c) almost rear-end collision with car in front, and (d) sudden rapid acceleration pulling into garage.
I am suggesting we all do the same. If the new GM is going to emerge from bankruptcy on top, they must learn to address these problems and not ask us to accept them.
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- #154 of 184
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Re: 2006 Chevy Impala LT tranny issues [chev05]
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Jun 08, 2009 (6:49 pm)
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Replying to: chev05 (May 15, 2009 2:19 am)
After over a year in & out of dealer trying to get my transmission fixed I am finally posting problem to the National Highway Traffic Safety Admin. (NHTSA) as a safety issue -- Case #10270004. Safety issue because this random jerking of the transmission upon taking off in traffic, at light, or from stand still has caused: (a) my wheels to spin, (b) the car to pull into the next lane, (c) almost rear-end collision with car in front, and (d) sudden rapid acceleration pulling into garage.
I am suggesting we all do the same. If the new GM is going to emerge from bankruptcy on top, they must learn to address these problems and not ask us to accept them.
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- #155 of 184
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Re: Transmission Slips then Stops [PantherWreck]
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Jun 08, 2009 (6:50 pm)
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Replying to: PantherWreck (Jan 26, 2009 9:02 am)
After over a year in & out of dealer trying to get my transmission fixed I am finally posting problem to the National Highway Traffic Safety Admin. (NHTSA) as a safety issue -- Case #10270004. Safety issue because this random jerking of the transmission upon taking off in traffic, at light, or from stand still has caused: (a) my wheels to spin, (b) the car to pull into the next lane, (c) almost rear-end collision with car in front, and (d) sudden rapid acceleration pulling into garage.
I am suggesting we all do the same. If the new GM is going to emerge from bankruptcy on top, they must learn to address these problems and not ask us to accept them.
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- #156 of 184
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Re: Transmission Problem [whoodini1]
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Jun 08, 2009 (6:51 pm)
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Replying to: whoodini1 (Dec 21, 2008 12:49 pm)
After over a year in & out of dealer trying to get my 2007 Impala transmission fixed I am finally posting problem to the National Highway Traffic Safety Admin. (NHTSA) as a safety issue -- Case #10270004. Safety issue because this random jerking of the transmission upon taking off in traffic, at light, or from stand still has caused: (a) my wheels to spin, (b) the car to pull into the next lane, (c) almost rear-end collision with car in front, and (d) sudden rapid acceleration pulling into garage.
I am suggesting we all do the same. If the new GM is going to emerge from bankruptcy on top, they must learn to address these problems and not ask us to accept them.
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- #157 of 184
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Re: 2006 Chevy Impala LT tranny issues [buicklover]
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Jun 09, 2009 (6:21 pm)
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Replying to: buicklover (Jun 06, 2009 5:45 pm)
After over a year in & out of dealer trying to get my 2007 Impala transmission fixed I am finally posting problem to the National Highway Traffic Safety Admin. (NHTSA) as a safety issue -- Case #10270004. Safety issue because this random jerking of the transmission upon taking off in traffic, at light, or from stand still has caused: (a) my wheels to spin, (b) the car to pull into the next lane, (c) almost rear-end collision with car in front, and (d) sudden rapid acceleration pulling into garage.
I am suggesting we all do the same. If the new GM is going to emerge from bankruptcy on top, they must learn to address these problems and not ask us to accept them.
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- #158 of 184
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Re: 2007 Impala Transmission Problems -NHTSA [level]
by planner007
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Jun 30, 2009 (2:22 pm)
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Replying to: level (Jun 01, 2009 7:43 pm)
 I am also experiencing the same problem. I've taken my car into the Dealer a few times. I explained the car jerks and skips on take off. Very random. Does not matter if I drive 2 miles or 200 miles. It's happened in the Summer and the Winter. The Service Manager could never find a problem. Unfortunately for me, the car never does the skipping during the time its at the Dealer.
WHAT CAN I DO? PLEASE HELP
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- #159 of 184
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Re: 2007 Impala Transmission Problems -NHTSA [planner007]
by buicklover
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Jul 01, 2009 (10:24 am)
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Replying to: planner007 (Jun 30, 2009 2:22 pm)
There is a service bulletin for this. It has to do with the 4th clutch. I will find out what the service bulletin number is and reply back in the next day or so. However, even after they did the work, the problem still exist, except, it doesn't occur as often. I think before it was directly related to the temp of the engine. It seem to happen more after the car had been sitting for a while.
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- #160 of 184
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Re: 2007 Impala Transmission Problems
by buicklover
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Jul 02, 2009 (4:29 am)
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Replying to: planner007 (Jun 30, 2009 2:22 pm)
Bulletin No.: 06-07-30-018
Date: August 17, 2006
TECHNICAL
Subject:
4T65-E Launch Shudder on Acceleration, Lack of Power After 1-2 Upshift (Inspect and Replace 4th Clutch Piston and Friction Plates)
Models:
2006 Buick Allure (Canada Only), LaCrosse, Lucerne, Rendezvous, Terraza
2006 Chevrolet Impala, Malibu SS, Malibu Maxx SS, Monte Carlo, Uplander
2006 Pontiac Grand Prix, Montana SV6, G6 GTP
2006 Saturn Relay
with 4T65-E Automatic Transmission (RPOs MN7, M15, M76)
Condition
Some customers may comment on a low speed shudder upon acceleration, usually in the 0-32 km/h (0-20 mph) range. The customer may also comment on lack of power after a 1-2 gear upshift.
Cause
The cause of this condition may be due to a binding 4th clutch piston.
Correction
Inspect the 4th clutch piston, the seals and fiber plates. The plates may show signs of excessive heat in the center of the plate. The fiber plates may also show signs of heat in the adjacent area. Normal plates are heat treated and have a slightly dark appearance.
Replace the 4th clutch piston, seals and fiber plates as necessary. Refer to the Transmission/Transaxle section of SI.
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- #161 of 184
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Re: 2007 Impala Transmission Problems [buicklover]
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Jul 04, 2009 (7:32 am)
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Replying to: buicklover (Jul 02, 2009 4:29 am)
Thanks, sounds very useful.
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