7at issue

Nooree01

I just changed my transmission fluid at 77k, this issue happened twice. I will be in 5th gear and use the paddle shifter or the stick to downshift to 4 it will have a 4 second delay and then it shifts with a slight grind and a clunk sound

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SouthArk370Z

If the delay-grind-clunk started after the fluid change, I'd re-check the level.

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jchammond

At 77k, I hope you drained,filled,ran & repeated a couple times.

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MazWorx built long block | FI-TT-100 Stage 2.75 | IPT built 7A/T

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Nooree01

I had a shop do it and they drained filled ran it for like 10 drain and filled

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jchammond

A level drain/fill takes about 4qts

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MazWorx built long block | FI-TT-100 Stage 2.75 | IPT built 7A/T

http://www.the370z.com/members-370z-...s-musings.html

jchammond

Never heard of delayed symptoms like that....does it downshift good when you’re cruising highway speeds & stab it ?

__________________
MazWorx built long block | FI-TT-100 Stage 2.75 | IPT built 7A/T

http://www.the370z.com/members-370z-...s-musings.html

Nooree01

That 10 was a typo theu drained filed ran it for 10 minute and then drain and filled

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Nooree01

It is random it shift fine now and i cant replicate it

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jchammond

Be sure battery terminals are clean & tight.
If it persists,,,phone Pat@Levelten Transmission’s

__________________
MazWorx built long block | FI-TT-100 Stage 2.75 | IPT built 7A/T

http://www.the370z.com/members-370z-...s-musings.html

jchammond

He may have more insight on that one.

__________________
MazWorx built long block | FI-TT-100 Stage 2.75 | IPT built 7A/T

http://www.the370z.com/members-370z-...s-musings.html

Kojack

Do not go to Level 10. It won't last long. I blew mine 3 times already. I have IPT ( Import Performace Transmission ) Been holding up well. https://www.importperformancetrans.com/

SG4247

Its air....

Seriously, air gets trapped in the valvebody on fluid changes and causes strange behavior sometimes.

Usually after 50 miles its fine.

Quicksilvers

+1 Overall comparing to other vehicles our 7A transmissions in our Z’s are very reputable/dependable transmissions. You could have a possible issue with your valvebody it happens sometimes. Definitely always make sure your transmission fluid is full in your transmission and if you think your transmission fluid is low if you can’t do it yourself take your Z to your service shop or Nissan dealership service department you trust and have them make sure your transmission fluid is full. Also changing your transmission fluid in your 7A transmission on time is part of your general maintenance every 20K-30K miles I recommend. I have been running a Level 10 7A transmission for five years now with street and lots of track miles with no issues thank you again Pat at Level 10 transmissions it has held up very well.

markesc

Wow thanks for sharing!

Looks like they have several options, here are two that jumped out on me:

$790 for the valvebody upgrade (I'm guessing this improves shifting but won't help you hold any more power?):

https://www.importperformancetrans.c..._detail&p=5434

$4775 doesn't seem bad if that means you can run the crap out of it:

https://www.importperformancetrans.c..._detail&p=5435

Kojack

Yea, Been beating on mine and no issue. As for valvebody, it's supposed to help with better, quicker shifting. Maybe helps a bit to handle little more power but I wouldn't hold on that.