transmission issues have a few questions

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727G35
Posts: 51
Joined: Mon May 20, 2019 6:38 pm
Car: 03 5at g35 sedan

transmission issues have a few questions

Postby 727G35 » Thu Oct 10, 2019 9:17 pm

My transmission needs a valve body replacement. I bought one but I seen someone say I have to take it to a dealership to get it tuned for my car, is that true? Also the transmission might have finished for good tonight and if i need a new one do i have to take it to a dealership to tune it?


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AZhitman
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Joined: Mon Apr 29, 2002 2:04 am
Car: 72 240Z RB25, 63 Bluebird RHD, 63 NL320, 67 WRL411, 67 SPL311, 68 510 SR, 77 620 SR20, 89 Pao, 97 D21, 98 S14, 11 LS460L, 12 Titan 4x4.
Location: Surprise, Arizona
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Re: transmission issues have a few questions

Postby AZhitman » Thu Oct 10, 2019 9:41 pm

I'm not certain that's accurate.

Replacing the trans with a known good one (say, a low-mile junkyard unit) should be sufficient - I can't imagine there's anything on a 03 model requiring a reflash of the ECU.

727G35
Posts: 51
Joined: Mon May 20, 2019 6:38 pm
Car: 03 5at g35 sedan

Re: transmission issues have a few questions

Postby 727G35 » Thu Oct 10, 2019 10:36 pm

Okay so same year part should be fine.

What about If I wanted to run an HR from an 05
That should drop in and would it be just an 05 ecu and not much for wiring?

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AZhitman
Administrator
Posts: 70112
Joined: Mon Apr 29, 2002 2:04 am
Car: 72 240Z RB25, 63 Bluebird RHD, 63 NL320, 67 WRL411, 67 SPL311, 68 510 SR, 77 620 SR20, 89 Pao, 97 D21, 98 S14, 11 LS460L, 12 Titan 4x4.
Location: Surprise, Arizona
Contact:

Re: transmission issues have a few questions

Postby AZhitman » Thu Oct 10, 2019 10:59 pm

There were some changes to the VQ engine in 05 that may make a difference... I'd stick to 03-04 to be safe, but I'll wait for someone else to chime in.

727G35
Posts: 51
Joined: Mon May 20, 2019 6:38 pm
Car: 03 5at g35 sedan

Re: transmission issues have a few questions

Postby 727G35 » Sat Oct 12, 2019 4:27 pm

Okay I'm going to get into it in a few days when it can be parked.
I just want to know what I'm getting into before i take it apart to avoid braking parts.
Cover off remove bolts from valve body
Unplug connections (4 I believe)

Pretty much it right?
I'll update when I get into it I'm going to scavenge some FSM.


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