NV3550 shifting problems (grinding in second and third gear)
- Thread starter GBlackburn
- Start date
fourpointzero
TJ Addict
See, Id be really upset if I paid a grand for a reman and it had any flaws, like popping out of gear. Thats why I went with new. Curious though, do you have a body lift? Ive read about manuals popping out of 4th gear due to the tub coming into contact w the shifter.
It isn't shifter related. I've had it before and after the frame swap, and before and after my body lift and TT. $1000 for a transmission is pretty cheap in my book. And the issue isn't that noticeable. If you rest your hand on the shifter in 4th it won't do anything. If I had gone with the more expensive advance adapters unit, I would be upset. But for $1000, I'm happy with my purchase.
That is a small issue I would just live with. If it was rebuilt with quality parts you should be good to go. If, and when, that trans. goes south then you can consider swapping to an AX-15 trans. At this point that is unwarranted.
Now, do you need to get new driveshafts when swapping to the AX-15? It's a couple inches shorter iirc. And my stock Rubi shafts only move a bit more than an inch. I'm guessing a non-Rubi with a slip yolk eliminater would need new shafts too, yea?
No, the AX-15 and the NV3550 are exactly the same length and no modifications to the driveshafts should be required. You even re-use the original bell housing.
I waited a couple of weeks after changing the fluid in the trans. I drained out the Purple Synchromesh and put in the MTL Fluid. I gave it a couple of weeks to break in and have to say it definitely helped with the shifting. I also checked the clutch fluid, it was ok. I know it's a band aid and only delaying the inevitable, but it helped for now. Thank you everyone for your inputs!
jayeljeep
TJ Enthusiast
Hello gents, Im getting grinding in 2nd and 3rd. Double clutching for now. Reading here its best to replace than rebuild. Just got done dropping 1300.00 or so on an idle issue (replaced TPS, found and fixed vac leak, found and fixed cracked intake mani gasket and replaced faulty fuel pump) Now shes grinding. Approximately how much for a AX15 replacement, labor and all? if anyone might have a round about number. Also, is it better to buy the tranny myself or let mech handle it? Ive heard stories of people replacing rebuilt ones and passing as new. Any advice that could calm my nerves would be greatly appreciated.
fourpointzero
TJ Addict
100% just go with an AX-15. There's no reason not to. I went down that road maybe close to 10 years ago trying to rebuild the NV3550. Not worth it. New Venture went out of business. Why even tinker when you can buy a new one?
Research online for a shop to source and install one. Get a total out the door price. But before you do that call Rockland Standard Gear or Advance Adapters (stay away from Ebay venders) and get a quote (probably can do that online, Im sure) to have it shipped to your home or business. Sometimes its cheaper to have it shipped to a shop. That's just been my past experience.
Best of luck- you cant go wrong w new. Btw, the price looks to be almost double what it was back when. Crap!
Research online for a shop to source and install one. Get a total out the door price. But before you do that call Rockland Standard Gear or Advance Adapters (stay away from Ebay venders) and get a quote (probably can do that online, Im sure) to have it shipped to your home or business. Sometimes its cheaper to have it shipped to a shop. That's just been my past experience.
Best of luck- you cant go wrong w new. Btw, the price looks to be almost double what it was back when. Crap!
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