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-   -   need some good advice on AT (http://www.the370z.com/engine-drivetrain/53964-need-some-good-advice.html)

sonic370 04-28-2012 08:41 PM

need some good advice on AT
 
iv'e got a AT trans with 40,000 no problems what so ever with it.
i know it's a sealed system and can only be serviced at the dealer.

depending on who you ask iv'e been told just leave it alone
if it ain't broke don't fix it.... it's a DD never tracked.....

any opinions i would be thankful.................

nepali 04-28-2012 08:45 PM

Quote:

Originally Posted by sonic370 (Post 1691687)
iv'e got a AT trans with 40,000 no problems what so ever with it.
i know it's a sealed system and can only be serviced at the dealer.

depending on who you ask iv'e been told just leave it alone
if it ain't broke don't fix it.... it's a DD never tracked.....

any opinions i would be thankful.................

:confused::confused::confused::confused::confused:

And, it looks like you asked this same question before: http://www.the370z.com/engine-drivet...-question.html

sonic370 04-28-2012 09:30 PM

sorry to confuse you. I did post before my fault
did a search and found my answer.

harman.khinda 04-29-2012 01:55 PM

its aright we need more threads about the 7AT :p

NYBladeZ 04-29-2012 01:57 PM

My advice, if you know how to drive stick don't get the AT lol. Sorry that was too easy. You can always go to your local Nissan dealer and get it serviced or buy the fluids yourself and do it at home, just get a pump from your local autozone, I've tried to do most of my maintenance at home or with the help of a buddy.

LakeShow 04-29-2012 01:58 PM

Honestly you probably shouldn't touch it.

wstar 04-29-2012 02:32 PM

Quote:

You can always go to your local Nissan dealer and get it serviced or buy the fluids yourself and do it at home, just get a pump from your local autozone, I've tried to do most of my maintenance at home or with the help of a buddy.
You can't technically, reliably, refill the 7AT at home. The fill level is like most gearboxes/diffs: it's set by a fill hole level, you fill till the hole barely overflows. However, the Service Manual gives very explicit instructions that the fill level from that hole is only correct in a narrow range of transmission temperatures as monitored by the TCM, and unfortunately only the dealerships' Consult-III tool can see the temp numbers from the TCM.

In the real world, most likely it's pretty easy to get this close enough with an IR thermometer on the transmission's pan, but I haven't seen anyone with the right equipment or expertise confirm the correlation between pan temps and Consult-III temps, or confirm how precise the fill level really needs to be. GTM mentioned publishing some info about this once, but never heard back on it.

For the time being, it's better to have the dealership refill. It's not that expensive anyways. All things considered, I'll be swapping my fluid out every 20-30K miles just as an insurance policy. That's nothing compared to e.g. gas costs over the same timeframe, so it's just smart maintenance policy.

sonic370 04-29-2012 02:43 PM

Quote:

Originally Posted by wstar (Post 1692665)
You can't technically, reliably, refill the 7AT at home. The fill level is like most gearboxes/diffs: it's set by a fill hole level, you fill till the hole barely overflows. However, the Service Manual gives very explicit instructions that the fill level from that hole is only correct in a narrow range of transmission temperatures as monitored by the TCM, and unfortunately only the dealerships' Consult-III tool can see the temp numbers from the TCM.

In the real world, most likely it's pretty easy to get this close enough with an IR thermometer on the transmission's pan, but I haven't seen anyone with the right equipment or expertise confirm the correlation between pan temps and Consult-III temps, or confirm how precise the fill level really needs to be. GTM mentioned publishing some info about this once, but never heard back on it.

For the time being, it's better to have the dealership refill. It's not that expensive anyways. All things considered, I'll be swapping my fluid out every 20-30K miles just as an insurance policy. That's nothing compared to e.g. gas costs over the same timeframe, so it's just smart maintenance policy.

Thank you for the sound advice. Looks like i'll schedule mine for a service call.
Since i plan on keeping her for another 24 months anyway.

UNKNOWN_370 04-30-2012 11:47 AM

Quote:

Originally Posted by wstar (Post 1692665)
You can't technically, reliably, refill the 7AT at home. The fill level is like most gearboxes/diffs: it's set by a fill hole level, you fill till the hole barely overflows. However, the Service Manual gives very explicit instructions that the fill level from that hole is only correct in a narrow range of transmission temperatures as monitored by the TCM, and unfortunately only the dealerships' Consult-III tool can see the temp numbers from the TCM.

In the real world, most likely it's pretty easy to get this close enough with an IR thermometer on the transmission's pan, but I haven't seen anyone with the right equipment or expertise confirm the correlation between pan temps and Consult-III temps, or confirm how precise the fill level really needs to be. GTM mentioned publishing some info about this once, but never heard back on it.

For the time being, it's better to have the dealership refill. It's not that expensive anyways. All things considered, I'll be swapping my fluid out every 20-30K miles just as an insurance policy. That's nothing compared to e.g. gas costs over the same timeframe, so it's just smart maintenance policy.

Good shyt Wstar. Repped. :tup:

harman.khinda 04-30-2012 01:02 PM

whats the avg. price for a tranny flush?


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