gjn2495 Posted October 23, 2019 Share Posted October 23, 2019 The 4AT in my car jerks every once in a while at lower speeds after giving it some throttle, even just easing into it. Would be a torque converter issue? Link to comment Share on other sites More sharing options...
moral hazard Posted October 23, 2019 Share Posted October 23, 2019 You could try a relearn procedure with freessm. Link to comment Share on other sites More sharing options...
gjn2495 Posted October 23, 2019 Author Share Posted October 23, 2019 That is a new process to me I will do research on it Link to comment Share on other sites More sharing options...
AWDFTW Posted October 24, 2019 Share Posted October 24, 2019 Miles on unit? Miles on ATF and type of ATF used? Link to comment Share on other sites More sharing options...
gjn2495 Posted October 24, 2019 Author Share Posted October 24, 2019 Have 149k on transmission and fluid about 20k as far as type unsure another shop did that last Link to comment Share on other sites More sharing options...
NORULZleggy Posted October 24, 2019 Share Posted October 24, 2019 I had a 2008 2.5i that never had a 4EAT issue, I ran Amsoil fluid, changed it every other year. car shifted like butter. Are you sure it's not the plugs? I say this cause it would jerk and act funny and sputter at low speeds, and I cleaned AMF sensor and other things and then figured it was the plugs and the car was fine. it only happened at low speeds and wen I was taking of sometimes. NA 2.5i last a long time, but keep an eye on the head gaskets lol. Ask me how I know. Link to comment Share on other sites More sharing options...
gjn2495 Posted October 25, 2019 Author Share Posted October 25, 2019 Definitely no sputter just when I get down to a lower speed say from about 40 without going to a complete stop and get back on throttle it's a slight jerk from the transmission and I'm not mashing the pedal all the way down either. Doesn't happen consistently but definitely noticable. With that said I'll get a look with the plugs and fluid. Link to comment Share on other sites More sharing options...
AWDFTW Posted October 25, 2019 Share Posted October 25, 2019 I noticed a vast improvement on our 06 when I changed out the unknown type fluid from the previous owner (dark red, still fine) to the recommended ATF-HP fluid. Link to comment Share on other sites More sharing options...
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