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Transmission options--dealer vs. specialist

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11 replies to this topic

#1
RallyJon

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My daily driven 2009 has 67,000 miles on it now with a Linney engine tune and LC4 transmission software.

 

After years of pretty trouble free driving, I went into limp mode a week ago with just gears 1, 3 and 5, and it had logged a P2832 error "shift fork a position circuit range/performance" when I checked using Ecutek. I reset the code and it has not recurred.

 

I'm taking it to the dealer for a fluid change, which is is due for anyway, and to check it out. But I'm wondering what the best options are if the dealer says it needs a new transmission. Are specialists a better cost/benefit for rebuilt or used? Do dealers only install new ones?

 

I haven't really researched this lately--what are the best practices now? Thanks for any input!



#2
Aequitas & Veritas

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A dealer is going to be expensive being out of warranty. 

 

I'm at 60k and had a first shift fork error. I had mine pulled and sent to Shep. Upgraded while he was working on it to a 1.5 (road course usage plus daily use). 

 

But his shop is constantly in transmissions whereas the local Nissan dealer isn't. 

 

Plus you can always call Shep and ask him what he thinks the trans needs if it might just be a sensor issue or something greater and can explain the next steps.


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#3
Jared@SFS

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Most likely your selector piston is rounded, and it just needs the TSB clips. Because you have LC4 it displays the code for a 2011 instead of the 2009. Attached is the PDF that goes through the installation, it is something any good shop can handle. Nissan normally only supplies their clips for warranty repairs, Dodson has their own version, and we have plenty of those in stock. Let me know if you have any more questions!

 

 

 

 

Attached File  ntb11-011.pdf   1023.34KB   73 downloads


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#4
Tim

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Yes Jared or Shep are better options m7 less the dealer warranty it. That was a long time ago for most of us
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#5
RallyJon

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Thanks for the feedback. I'll see if I can get the dealer to do the TSB and go from there.



#6
Jared@SFS

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Thanks for the feedback. I'll see if I can get the dealer to do the TSB and go from there.

 

One other item to look for is when they go to perform the TSB, have them inspect for small chocolate sprinkle sized metal bits. If you have a substantial amount of those, your syncro hub teeth are failing, and will require replacement(which is a major repair).


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#7
RallyJon

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Circling back to give an update.

 

The dealer said their diagnostics couldn't communicate with the TCM at all, so ordered a replacement, which unfortunately had to come from Japan. It was also the first time their GTR tech had done this, so it took him a while to get it installed and programmed. I was, and still am, skeptical, but the problem has not recurred since, and a $1900 part is better than a new trans for sure.

 

I had forgotten about how awful the factory transmission software is, with the loose clutch engagement and clunky shifts. I drove around for a week to make sure it wouldn't throw a code before loading on Linney's LC4 tune again. Had to buy a new license for another $200, but whatever.


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#8
RallyJon

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Another update. I think I can now confidently say the definitive answer is… SPECIALIST!

After more than two months of no issues the problem came back—limp mode, only 1, 3 and 5, etc. I took it back to the dealer and once again they had a problem communicating with and controlling the TCM with their Consult machine. I went back and forth with Ben Linney and he sent me the stock tune, but even after I loaded that, the dealer was having trouble figuring it out. The final straw was when they said the next step was installing another new TCM.

I called IveyTune in NJ last Thursday and asked them if they could take a look at it. AAA paid for most of the flatbed up there and Sean and the crew there went at it the next day. They had no trouble with the TCM, opened up the valvebody and found the actuators out of position, installed gear selector shims and cleaned everything up. I picked it up this morning and shifting is perfect again.

I can’t believe I wasted my time with the dealer. And, as Sean pointed out, there was probably nothing wrong with the TCM the first time, either. Shout out to IveyTune for saving the day!
 


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#9
Guido

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Why did you have to pay $200 for another license?  It's the same car and the same trans, right?  That doesn't sound right.



#10
haul s

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Why did you have to pay $200 for another license?  It's the same car and the same trans, right?  That doesn't sound right.


Because original ecutek license stayed in the TCM that was replaced.

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#11
Guido

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Haul S, hmmm, ok....

 

OP, I think an aftermarket place is better than the dealership is you are out of warranty.  There are way better people who know a lot about these cars and can fix them for a lot less than the dealership (if the idiots at the dealership can even figure out what's wrong, let alone fix it correctly!).


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#12
Tim

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Another update. I think I can now confidently say the definitive answer is… SPECIALIST!

After more than two months of no issues the problem came back—limp mode, only 1, 3 and 5, etc. I took it back to the dealer and once again they had a problem communicating with and controlling the TCM with their Consult machine. I went back and forth with Ben Linney and he sent me the stock tune, but even after I loaded that, the dealer was having trouble figuring it out. The final straw was when they said the next step was installing another new TCM.

I called IveyTune in NJ last Thursday and asked them if they could take a look at it. AAA paid for most of the flatbed up there and Sean and the crew there went at it the next day. They had no trouble with the TCM, opened up the valvebody and found the actuators out of position, installed gear selector shims and cleaned everything up. I picked it up this morning and shifting is perfect again.



I can’t believe I wasted my time with the dealer. And, as Sean pointed out, there was probably nothing wrong with the TCM the first time, either. Shout out to IveyTune for saving the day!



Sean is a good dude,and does great work
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