Transmission kick/jerk b/t 1st and 2nd under load

[CleanIsFast]

Originally Posted by Weasel

Sounds like the harsh shifting problem is when the fluid is still cold, thus thicker viscosity. A software update would change some of the shifting parameters and reset the adaptations. You should be able to reset the basic transmission adaptations yourself. Turn the key on leaving engine off and press the gas pedal all the way down past the downshift click point and hold it for about 30 seconds. You may hear the transmisswion making some noises at this time which would be solenoids operating and such. After that the shifting adaptations should be reset and will re-learn to your driving style when you drive it again.

Good luck and hope that works for ya!

I have the same symptoms of harsh 2-1 downshift when coming to a stop, but it's when the oil is warm (210*) not cold. I tried the transmission reset you mentioned above, I didn't hear any noise during the 30+ seconds. We'll see if the reset works, i'll report back.

[X53Jay4.8is]

Originally Posted by CleanIsFast

I have the same symptoms of harsh 2-1 downshift when coming to a stop, but it's when the oil is warm (210*) not cold. I tried the transmission reset you mentioned above, I didn't hear any noise during the 30+ seconds. We'll see if the reset works, i'll report back.

Well the symptom you describe is well known and documented on this forum. Try the easy things first that don't require replacing/rebuilding the trans. Things like the trans service with lifeguard fluid. Check to see if any codes exist. A fellow friend of mine had a torque convertor code and had to replace it. It fixed the problem but many others had to replace the trans. Happy diagnosis. Do you have an oxford green M5? If so are you on the M5 board? What ID do you go by on the M5 board? I feel like i know you already?

[CleanIsFast]

Originally Posted by X53Jay4.8is

Well the symptom you describe is well known and documented on this forum. Try the easy things first that don't require replacing/rebuilding the trans. Things like the trans service with lifeguard fluid. Check to see if any codes exist. A fellow friend of mine had a torque convertor code and had to replace it. It fixed the problem but many others had to replace the trans. Happy diagnosis. Do you have an oxford green M5? If so are you on the M5 board? What ID do you go by on the M5 board? I feel like i know you already?

Yup I've been reading up a lot on xoutpost. Went out for a quick drive today, so far so good, I didn't drive long enough though for the temp to get up to 210. Wish the 4.6 ran a little cooler like the M5's. I am looking into the aftermarket oil cooler option.

Yes I do have an Oxford Green M5, and yes I am on M5board. Username: jdauria. I joined xoutpost a long time ago when I was initially looking for an X5 and decided to just utilize the same one instead of creating a new one. I am fairly active on M5board, so you might have seen my name floating around there a bit. Not many Oxfords on the board.

[X53Jay4.8is]

Originally Posted by CleanIsFast

Yup I've been reading up a lot on xoutpost. Went out for a quick drive today, so far so good, I didn't drive long enough though for the temp to get up to 210. Wish the 4.6 ran a little cooler like the M5's. I am looking into the aftermarket oil cooler option.

Yes I do have an Oxford Green M5, and yes I am on M5board. Username: jdauria. I joined xoutpost a long time ago when I was initially looking for an X5 and decided to just utilize the same one instead of creating a new one. I am fairly active on M5board, so you might have seen my name floating around there a bit. Not many Oxfords on the board.

Well alright Johnathan we have spoke before especially when you were seeking the Birch Anthracite wood for the M5. Plus you had a custom tune on the M5 that we had talked back and forth about. Let me know if you get a tune on the 4.6is. I would be interested in getting your feedback.

[CleanIsFast]

Originally Posted by X53Jay4.8is

Well alright Johnathan we have spoke before especially when you were seeking the Birch Anthracite wood for the M5. Plus you had a custom tune on the M5 that we had talked back and forth about. Let me know if you get a tune on the 4.6is. I would be interested in getting your feedback.

Yup I remember speaking with you.

I won't be getting a tune for the 4.6is until the transmission issue is resolved, no need to string out the motor/trans on a dyno getting a tune. I'd only consider it if the tune helped the transmission jerk.

[X53Jay4.8is]

Originally Posted by CleanIsFast

Yup I remember speaking with you.

I won't be getting a tune for the 4.6is until the transmission issue is resolved, no need to string out the motor/trans on a dyno getting a tune. I'd only consider it if the tune helped the transmission jerk.

I hear you. Got to get the basics right before any stretch mods come into effect. I had a series of leaks on mine, did the timing chain guides, chain, suspension, headliner, evaporator replacement and other misc repairs to get her in shape or the next phase. Now I am on just on some aesthetic upgrades to compliment her beauty.