7 A/T Question

antman22 · 02-24-2010, 12:21 PM

now when i'm slowing down, i usually just let off the throttle and the downshifting provides enough braking...unless i need to make a full stop.

TheWeatherman · 02-24-2010, 12:29 PM

Quote:

Originally Posted by antman22

now when i'm slowing down, i usually just let off the throttle and the downshifting provides enough braking...unless i need to make a full stop.

I have no clue if this was ever a TSB on the 370, but it was with a limited number or FXes. When I bought my new FX, it would actually jerk my head forward when slowing down. I had the TSB tranny re-flash, and it calmed that behavior down a little, but you still can tell it's downshifting when coming to a stop. With the new 7-speed transmission, Nissan/Infiniti started with this reprogram, but I don't know if it carried to the first Zs. All newer 7-speeds will come with this reprogram from the factory.

My second video is how the transmission normally works. I never grabbed a video before my reflash.

mwilli · 02-24-2010, 12:44 PM

Quote:

Originally Posted by TheWeatherman

I have no clue if this was ever a TSB on the 370, but it was with a limited number or FXes. When I bought my new FX, it would actually jerk my head forward when slowing down. I had the TSB tranny re-flash, and it calmed that behavior down a little, but you still can tell it's downshifting when coming to a stop. With the new 7-speed transmission, Nissan/Infiniti started with this reprogram, but I don't know if it carried to the first Zs. All newer 7-speeds will come with this reprogram from the factory.

My second video is how the transmission normally works. I never grabbed a video before my reflash.

Is this magical re-flashing of the transmission something that is covered by warranty or something I will need to lay down some $$$ for?

TheWeatherman · 02-24-2010, 12:49 PM

Quote:

Originally Posted by mwilli

Is this magical re-flashing of the transmission something that is covered by warranty or something I will need to lay down some $$$ for?

I really wouldn't call it magical, nor do I know if there's a TSB for the Z. This happened to some of the first FX's that came off the lot. Even after it, I still feel the slight "drag/lag" when slowing down like Ant talked about. If someone has records of the Z's TSBs, let mwilli know, but as far as I can tell, it will still "drag" mildly when slowing down. It seems to be part of the 7-speed design. It won't hurt the car. Mwilli, I'll sum it up by saying that there's a good chance there wasn't a TSB in the Z. I think it was fixed by the time the car was released. It's just a quirk.

If there's not a TSB on the Z, it's the way the transmission is. You won't make any progress by bringing it in IF there's no TSB.

mwilli · 02-24-2010, 12:50 PM

Quote:

Originally Posted by TheWeatherman

I really wouldn't call it magical, nor do I know if there's a TSB for the Z. This happened to some of the first FX's that came off the lot. Even after it, I still feel the slight "drag/lag" when slowing down like Ant talked about. If someone has records of the Z's TSBs, let mwilli know, but as far as I can tell, it will still "drag" mildly when slowing down. It seems to be part of the 7-speed design. It won't hurt the car. Mwilli, I'll sum it up by saying that there's a good chance there wasn't a TSB in the Z. I think it was fixed by the time the car was released. It's just a quirk.

Dumb question to follow...what is TSB an acronym for?

mwilli · 02-24-2010, 12:53 PM

Quote:

Originally Posted by mwilli

Dumb question to follow...what is TSB an acronym for?

Nevermind...Google knows and sees all things...I'll check the database it found to see if there is anything for the 370Z. Thanks all!!

TheWeatherman · 02-24-2010, 12:53 PM

Quote:

Originally Posted by mwilli

Dumb question to follow...what is TSB an acronym for?

Technical Service Bulletin. If you're under warranty, and you have a particular problem that's covered by a TSB, it will be free and fixed with instructions from the factory.

02-24-2010, 12:21 PM	#1 (permalink)
antman22 Track Member Join Date: Dec 2009 Location: Dallas TX Posts: 597 Drives: 09 PG 370z 7AT Rep Power: 17	now when i'm slowing down, i usually just let off the throttle and the downshifting provides enough braking...unless i need to make a full stop.