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Maintenance & Repair 350Z up keep and diagnosing/fixing problems

2nd gear grind when shifting to redline??

Old Jul 18, 2004 | 09:22 AM
  #1  
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Default 2nd gear grind when shifting to redline??

Has anyone else had this problem? I noticed it only happens sometimes, then other times it shifts smooth at redline.

Normal driving though its smooth as butter, just on WOT... ?
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Old Jul 18, 2004 | 10:17 AM
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yep i get that with my short shifter cause i yank back too hard. you're probably doing the same thing. i just took out my short shifter....greased up everything i could and put it back in. seems to be better right now at those darn 1-2 redline shifts. we'll see how it holds
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Old Jul 22, 2004 | 06:41 AM
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2nd gear is probably my worst. The car jerks easily.

I'm trying to figure out why the tranny gets a little "reluctant" to shift when I try to shift fast.

Try this, accelerate to a normal speed (30-40mph). Hold clutch down and try to pull shifter from 3rd to 4th fast. Then do the same, but shift slower.

This is annoying and my wrist hurts because of it.
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Old Jul 25, 2004 | 09:42 PM
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I HAVE THIS SAME PROBLEM. IT IS DRIVING ME NUTS WHENEVER I'M TRYING TO RACE SOMEONE THAT **** HAS TO HAPPEN. I'VE HAD MY TRANNY REPLACED AND NOW THIS **** IS HAPPENING. IF YOU FIND ANY SOLUTION TO THIS PROBLEM PLEASE EMAIL ME BACK. I'D REALLY APPRECIATE IT. MY EMAIL IS ttawfi1@lsu.edu
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Old Jul 26, 2004 | 04:34 AM
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I have the same problem....5th-6th makes a fuss sometimes too...
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Old Jul 26, 2004 | 06:37 AM
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synchro problem.. my remedy is to wait 1/2 sec before going into the gate... it sucks, I know, but it works..
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Old Jul 28, 2004 | 02:59 PM
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Normal....for 350s anyway. Shouldnt happen to you in 5th or 6th. If it does, your tranny is pooping
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Old Jul 28, 2004 | 06:12 PM
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In my experience this problem is not unique to the Z, or Nissans in general. I've experience reluctance in the 1st to 2nd shift at high engine speeds and high loads in my Z, Mustang Cobra (Tremec), BMW 5 series, and my 996. (No I don't still own all of these cars). I've been told by a couple of dealership mechanics that the only way to eliminate this characterisic is to have the transmission taken down and massaged by a custom shop
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Old Jul 29, 2004 | 05:35 AM
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I've never experienced the problem in a supercharged trans am and 300zx I owned. The cobra I can understand, the tremec is a mean/loud mother fcker.
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Old Jul 29, 2004 | 01:20 PM
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i have had this happen too. once at the drag strip (nice and embarassing).

definately a synchro issue. you just need to hesitate on the way to 2nd. make the shift kind of a clink, clink rather than just one fast move through. hell, you should do this with every shift. you synchros and your wallet will love you more for it, and you don't loose much momentum.

sean
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Old Jul 31, 2004 | 07:28 AM
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Yeah, I had the same exact problem. Transmission was replaced at 7500 miles. The problem is back though. I still get a grind, but rarely nowadays. I am at 15000 miles now. Im scared that with my luck I won't be able to replicate the problem at the dealership.
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Old Jul 31, 2004 | 06:53 PM
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My transmission also has this problem shifting to second only when shifting fast at redline and it only does it occasionally. It the shifter will go into the second gear position but not engage the gear it does not grind as I normaly think of it but it does make a noise that you cant really distinguish at WOT redline. At that point your only option is to shift back to neutral and try again-where it has always went into gear. I am thinking of putting different fluid in it and getting a tilton clutch and flywheel to help the problem. If I shift slow at redline no problem. I dont know if it is a function of time or not leting the rpm drop--I am hoping the second so a lighter flywheel may be a solution. What do you guys think?

Last edited by nl12; Jul 31, 2004 at 06:58 PM.
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Old Aug 1, 2004 | 05:10 AM
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I have the tilton flywheel and have had a decrease in the problems listed above since the install......
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