Alright, so the dealer convinced me that I should change my tranny and diff fluid. They wanted too much so I went to a very reputable import shop a few months back and had everything done (including brakes) for half the price. (Redline diff fluid & OEM Tranny fluid).

I was happy with the work but now that it has gotten colder (Atlanta) my transmission has been lagging when i first start the car up (once it is warm it works fine). I usually start the car in let in run for a few minutes in the morning.

The other issue is that if i have a hard stop you can feel it disengage and then it lags before it re-engages in first. A bit scary when you need to get going (Yes I have had all the TSB updates)

I have an 09 sedan with 53K miles. Drive train is still under warranty. I plan to take this into the dealer next week but wondering if anyone has had a similar issue and what they did to fix it.

Any ideas?

 

Just to confirm you had the ITB10-075 reprogram done?

 

If you think about it this way.... your engine oil and coolant warm up when you let the car run for a few minutes, because the engine is working.

Your trans and diff however aren't working at all until you engage the car into gear and start driving. Make sense?

I would just take it easy on cold starts and accelerate slowly until you feel the trans and diff loosen up a little and aren't shifting vigorously. It only takes about 2-3 minutes of driving for the fluid to get close to operating temperature (climate depending of course).

 

YES, When it came out. I have had all the updates. 027 as well

 

That is what I figured, but wasn't a problem until i had the fluids changed. I'm going to take it in to be safe.