Is Transmission or torque converterv has problem?

  • 1 POST
  • 2007 BMW X3
  • 6 CYL
  • AWD
  • 136,000 MILES

Transmission or torque converter has some serious problems. When pressing on the gas pedal from low speeds there is barely any acceleration in 1st and 2nd gear under 2,000 rpms, but when 3rd gear goes in car accelerates more than desired most of the time. This is most apparent when car is cold, but never goes away completely. This really bothers me as this usually happens during turns when you slow down and when you want to accelerate you don't know how hard to press on the pedal, if you press too much car jumps ahead, if not enough you barely move. Another problem is that when coming to a complete stop when transmission downshifts you can hear a faint thump of every downshift somewhere under the vehicle and a little surge forward. What is the problem? Any solution?

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have the same problem?
Tuesday, June 2nd, 2015 AT 6:27 AM

1 Reply

  • 32,236 POSTS

Transmission problems like this need specialist testing with pressure gauges and transmission electrical testers that has soft ware that can read all aspects of what is happening inside the transmission, this should be looked at by a dealer as they will have the electronic package in their diagnostic equipment to be able to pin point the problem quickly.

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Saturday, June 6th, 2015 AT 5:49 AM

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