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A/T Tranny not changing properly

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Old Sep 6, 2007 | 07:33 PM
  #1  
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A/T Tranny not changing properly

Well, this is my problem.. I did the search thing but no luck... so maybe someone can help me out. The tranny goes form 1st to 2nd gear fine. From 2nd to 3rd it change and it looses the grip and the rev goes up..... I have no clue on how to really explain this. Imagine riding a bicycle and changing your gears and you chain comes loose for a few seconds and then grip again...!!! Selenoids?? hopefully this is the right word.

Thanks

Luis
Old Sep 6, 2007 | 07:36 PM
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sounds like u need new clutch plates, if your getting gear slippage, thats just my .02, im not an expert and i could be wrong but i think that is a good place to start

or, you could do yourself a favor, sell your car and get a 6sp!
Old Sep 6, 2007 | 07:51 PM
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Does it slip when going from a stop? Check fluid? I guess this is a bandaid fix, but try to put some of those transmission slip fix fluids in it.
Old Sep 6, 2007 | 08:02 PM
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i've got the slippage too.

extended powertrain warranty...I'll see what they say.
Old Sep 6, 2007 | 08:42 PM
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kramarz99
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but try to put some of those transmission slip fix fluids in it.
don`t do that...you would use it only if you are planning to sell your car...
I would suggest SeaFoam Trans Tune....
here is link:http://www.seafoamsales.com/transTune.htm

works great
Old Sep 7, 2007 | 10:19 AM
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Originally Posted by Lontar1
Well, this is my problem.. I did the search thing but no luck... so maybe someone can help me out. The tranny goes form 1st to 2nd gear fine. From 2nd to 3rd it change and it looses the grip and the rev goes up..... I have no clue on how to really explain this. Imagine riding a bicycle and changing your gears and you chain comes loose for a few seconds and then grip again...!!! Selenoids?? hopefully this is the right word.

Thanks

Luis
have you been doing regular flushes and keeping your tranny fluid clean and full? i'm just wondering if proper maintenance will prevent this sort of thing, or if it just happens randomly...
Old Sep 7, 2007 | 11:51 AM
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five speed swap!
Old Sep 7, 2007 | 12:00 PM
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Originally Posted by A33 VQ30DEK
five speed swap!
nah, 6-speed swap!
Old Sep 7, 2007 | 01:23 PM
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Originally Posted by Lontar1
I did the search thing but no luck...
really?
this is a very common problem with a TSB.
look some more.

and please dont listen to the other people who clearly have no idea what they are talking about.


HINT: you probably need to replace the TCM
Old Sep 7, 2007 | 01:25 PM
  #10  
kramarz99
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and who will be that?
Old Sep 7, 2007 | 01:57 PM
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Originally Posted by kramarz99
and who will be that?
huh
Old Sep 7, 2007 | 02:03 PM
  #12  
kramarz99
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okey........
Old Sep 7, 2007 | 02:04 PM
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Originally Posted by kramarz99
okey........
thank you for all the sense you are making
Old Sep 7, 2007 | 02:29 PM
  #14  
1sexyleo
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That's funny because I was going post a thread about this. My tranny was rebuilt and 2 weeks later my MAF sensor blew. My car was down over the weekend and then I finally replaced it. After I replaced it, I test drove it and all gears were fine except 2-3 gear. It just revved up like yours did. So, I did it again.....same thing. I took my car back to the tranny place and he test drove it. He asked me if I replaced my MAF sensor. I told him yes. He said I might need to take it back to whoever replaced it because it's not compatible. I told him that it a MAF sensor for a Nissan. He said well, you might need to get your ECU reprogrammed for it, because its not sending the correct voltage to my ECU, causing my 2-3 gearing to be off. Has anyone ever heard of this?? I took it to Nissan and they said that I do need to reprogram my ECU everytime my MAF sensor gets changed. But the part about my MAF sensor affecting the way my tranny shifts, I've never heard of that. I'm not saying the guy is wrong about the tranny, but just wondering. He also unplugged my drop resistor, because he didnt want to hurt my tranny by driving around with a slipping 2-3.
Old Sep 7, 2007 | 02:30 PM
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+1 for the "replace the TCM"

I had the same issue. (00 automatic) I had it replaced under warranty.
Good thing is that once replaced you can make your transmission
"RE-Learn" the shifting.

Good luck.
Anthony
Old Sep 7, 2007 | 02:34 PM
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My A33B did that from 1-2. Changed the VB, problem hasn't returned(30+k miles)

There is also a TSB for the VB. But IIRC, it's only the 1-2 shift problem.
Old Sep 7, 2007 | 02:36 PM
  #17  
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Originally Posted by NmexMAX
My A33B did that from 1-2. Changed the VB, problem hasn't returned(30+k miles)

There is also a TSB for the VB. But IIRC, it's only the 1-2 shift problem.
on 00-01, its the TCM and/or solenoids

http://maxima.theowensfamily.com/tsb/NTB00-039a.pdf
Old Sep 7, 2007 | 02:40 PM
  #18  
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Originally Posted by soonerfan
on 00-01, its the TCM and/or solenoids

http://maxima.theowensfamily.com/tsb/NTB00-039a.pdf
Look at that, I got you to post a link to help the OP.
Old Sep 7, 2007 | 02:50 PM
  #19  
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Originally Posted by NmexMAX
Look at that, I got you to post a link to help the OP.
didnt realize that it was hard to find TSBs in the TSB sticky
Old Sep 7, 2007 | 03:24 PM
  #20  
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Well I looked at the stickies and did a search... but anyhow... Soonerfan thanks for your help..... I know the rules of searching.....
Old Sep 7, 2007 | 04:23 PM
  #21  
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Hey dude good luck with your tranny issue! I know how it feels (R.I.P 94 maxima se) knock on wood for my '02 gle!
Old Sep 7, 2007 | 05:59 PM
  #22  
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Not saying it is definately your problem, but a failing MAF can make your car not shift correctly. I've read it on this forum and saw it first hand with my brother's 2000 I30.

Once he changed his MAF, the tranny started shifting normally again.

Also, many have replaced their MAF and did not reprogram the ECU, myself included, with no problems.
Old Sep 7, 2007 | 06:05 PM
  #23  
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Originally Posted by sascuderi
Not saying it is definately your problem, but a failing MAF can make your car not shift correctly. I've read it on this forum and saw it first hand with my brother's 2000 I30.

Once he changed his MAF, the tranny started shifting normally again.

Also, many have replaced their MAF and did not reprogram the ECU, myself included, with no problems.
I replaced the MAF a few months back and no problems.. will try the selenoids first anf TCM.......
Old Sep 7, 2007 | 07:16 PM
  #24  
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+1 on TCM, I had a car do some wierd stuff like slip out of gear, replaced the tcm and drove fine.
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