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Anonymous Posted on Mar 01, 2017

Why does my transmission shudder at a stop and why does it have trouble shifting up?

The mileage is 137,774. I have a very concerning issue with the AT and I'll try to describe the issue the best I can. The car shudders quite severely at a stop while it is in gear. If I put the vehicle in neutral the shudder stops. Once it's back in gear it reappears. The vehicle runs a lot louder than it usually has even at freeway speeds because of this issue. Secondly, the vehicle has been having a very difficult time shifting up through the gears when the weather is cold. It also happens in warm weather but not as often as colder weather. Sometimes it won't shift up at all unless I back off the throttle and try accelerating again. I have a hunch that the vehicle also has problems going into overdrive but I cannot duplicate the problem. The transmission has no problem shifting down and once the transmission is in a certain gear, it has no problems staying in that gear. I have also shifted manually through the gears and everything seems to work fine until it's back shifting automatically. The transmission fluid has been flushed, the filter has been changed regularly and the fluid level is good but the issue still stays. The engine light has never illuminated by this issue and no transmission fault codes have ever been seen. Because of this I can only describe the symptoms of the problem. Thank you very much for your time and I hope you may be able to shed some light on this issue.

5 Related Answers

Anonymous

  • 421 Answers
  • Posted on Sep 05, 2008

SOURCE: 2003 Dodge DSL 2500 transmission shifting problems

sounds like you should start by dropping the pan and changing the filter, put cheap fluid in it or reuse the old fluid if its not too bad bring it to a shop and have a transmission flush performed with a good flush machine your valve body is sticking and this should clear things up please rate -jeff

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Anonymous

  • 1 Answer
  • Posted on Feb 19, 2009

SOURCE: 95 tercel shudders/shakes on accleration-cold

changed spark plugs - found burned out single electrode - requires double electrode plugs

Anonymous

  • 1 Answer
  • Posted on Mar 19, 2009

SOURCE: Car shudders when accelerating...

My wife's 02 Audi A4 1,8t had the same problem after talking with Audi (coil pack/spark plugs) we replaced them all and the problem still persisted not to say that won't fix your problem but what I found to be the problem was 3/8 vacuum line (shaped like a S) that comes up on the right hand side between the oil filter and the fire wall that comes from the turbo check valve assembly (its hard to locate and should be done with the engine cool) up to a valve assembly that connects to the intake manifold, what was happening was the hose would become spongy at the bottom (you will have to squeeze the hose from top to bottom to notice the difference) and as the engine heats up it would cause the hose to collapse. Once I replaced the hose and the computer reprogrammed the fuel mixture (about 25 miles of driving) the problem seems to have been correct. Good luck.I had also replaced the turbo check valve about three years ago because of a severe hesitation when you first apply gas (turbo check valve may not be the proper name.) Sorry. Wife Still Loves Her Audi

Anonymous

  • 7 Answers
  • Posted on Jul 10, 2009

SOURCE: 2000 Mercury Grand Marquis has intermittent

There is no transmition products that will fix a shudder that I know of.
I would suggest having tranny fluid and filter changed first as this is the most probble cause of a shudder at that milage, but if that does not fix the problem then I would have a transmition shop check the tourq converter.

ps, the fluid and filter can be changed at most quick lube or where ever you get the oil changed.

Anonymous

  • 3 Answers
  • Posted on Sep 04, 2010

SOURCE: 1996 dodge ram 2500 auto transmission not shifting properly

Well, first do the service. Pull the pan down and look for metal shavings. If there is metal shavings your in for a transmission. If not, you may have a problem with one of the transmissions shift solenoids located near the valve body.
P.S. The Duramax has the Allison 1000 transmission not the dodge cummins and they are one of the best trannys on the market.

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I have a 2005 Dodge Neon SXT with an automatic transmission. The mileage is 137,774. I have a very concerning issue with the AT and I'll try to describe the issue the best I can. The car shudders quite...

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