Replacement synchronizers?

Discussion in 'N/A Mods & Tuning' started by justin13703, Oct 4, 2013.

  1. lingenfelterm

    lingenfelterm Member

    Joined:
    Nov 9, 2014
    Messages:
    70
    Likes Received:
    9
    Well, 30k miles into my rebuild with new synchronizers old problems are returning (as some of you predicted). It started about a month ago when driving as normal and I got a grind while trying to shift into 4th. I figured it was me, but it did it again a few days later. I changed the fluid out (Replaced the old Redline MT90 with new Redline MT90). Thought it helped, but problems returned. Within about 3 weeks of the first grind, I'm now getting grinds in 3rd and 4th (same two gears I had problems with before the rebuild) on a daily basis. I've adjusted the clutch into factory spec which did fix my squeaking from my TOB grazing the pressure plate fingers, but it didn't fix the shifts. I've found that when I try to shift at lower speeds (I.E. shift from 2nd to 3rd below 25mph) I get grinds more frequently than if I shift at slightly higher rpms. I also noticed that if I mash in the clutch hard and fast, I can shift without grinds 99% of the time. I thought I might have air in my slave since I replaced it, so I bought a Motive auto-bleeder for my master cylinder and flushed the fluid (no change). I'm weighing my options as to what I should do. T56 would be the best and most reliable option, but with the transmission, adapter kit from URD, and a rear-end gear change, I'm looking at 5-6 grand. I could buy a brand new AY6 from Toyota Parts of Dallas for 3200. The risk here is, will a new one be better than my 2005 model? I've heard they made a lot of small changes to the transmissions as the years progressed. I could also try an Auto-swap, but I know I'd get shunned by the community ;) My truck only has 95k miles. It's a 2005 (NA) and has a salvage title (theft recovery) so it's not worth a ton, but I absolutely love driving it and don't want to give it up. It checks off all the boxes on my list of sporty, fun, comfy, unique, and practical from the standpoint that I can haul pretty much anything I need to. I'd hate to give up on the truck though. I finally have it pretty much the way I want it. All of my mods I've done with money I earned from donating plasma at bio-life plasma center, and likely that's how I'll end up paying for whatever option I decide on. My "blood money" has bought nearly all of my mods to this point. Saying that, it will take me some time to save up for whichever option I choose at ~$360 a month. I'm open to suggestions and appreciate your input, -Mark
     
    RS2008XR likes this.
  2. justin13703

    justin13703 Active Member

    Joined:
    Sep 9, 2010
    Messages:
    2,759
    Likes Received:
    12
    If you’re going to keep the truck for a long time, I’d go with the t56. Do not spend money on a new Toyota transmission. Those transmissions are steaming piles of garbage. It will do the same thing, plus the gear ratios in the Toyota trans are terrible.
     
    TitanRattler813 likes this.
  3. Blue10XR

    Blue10XR Member

    Joined:
    Dec 13, 2014
    Messages:
    342
    Likes Received:
    20
    Which T56 is best or correct for our trucks?
     
  4. JikayouTofuShopXR

    Joined:
    Jan 11, 2016
    Messages:
    54
    Likes Received:
    0
    LCE ships a sandwich plate GM trans adapter for a few hundred
     
  5. JikayouTofuShopXR

    Joined:
    Jan 11, 2016
    Messages:
    54
    Likes Received:
    0
    Have you gotten a new AY6 from Toyota replaced?
     
  6. Chris Griteman

    Chris Griteman New Member

    Joined:
    Jun 19, 2018
    Messages:
    12
    Likes Received:
    1
    Any way to keep the cost of a t56 swap less than like 13k because I no longer have a fifth gear syncro and 6th is being picky
     
  7. justin13703

    justin13703 Active Member

    Joined:
    Sep 9, 2010
    Messages:
    2,759
    Likes Received:
    12
    No I got rid of the truck years ago from issues stemming from the transmission problems. I just still hang around here because it’s a kickass forum lol
     
    rjbiii likes this.
  8. JikayouTofuShopXR

    Joined:
    Jan 11, 2016
    Messages:
    54
    Likes Received:
    0
  9. justin13703

    justin13703 Active Member

    Joined:
    Sep 9, 2010
    Messages:
    2,759
    Likes Received:
    12
    Nope I don’t. What I do know is that pretty much everyone I’ve seen on this forum have them rebuilt has ended up in the same boat within a few months. Not saying it’s impossible to have a good one, just very unlikely. There’s too many inherent design problems with that transmission.
     
  10. lingenfelterm

    lingenfelterm Member

    Joined:
    Nov 9, 2014
    Messages:
    70
    Likes Received:
    9
    Mine lasted longer than a few months, but no excuse to be having synchro problems after 30k miles. I’d like to do the T56 swap with URD, but its going to take time to get money together for it. Not sure what it costs to have the rear end gears changed to 410 ratio, but I can’t imagine it costing more than 6k for the whole swap. Also makes me curious about an ls1 swap though. Only problem with that is, I’m not experienced with welding or wiring outside of speaker/stereo setups. Might be time to browse some of the ls1 guys’ builds just for kicks.
     
  11. JikayouTofuShopXR

    Joined:
    Jan 11, 2016
    Messages:
    54
    Likes Received:
    0
    Not talking about a fresh rebuilt ay6 im talking a brand new trans. Also I can't think of any good reasons a rear swap should cost even 10% of six grand
     
  12. justin13703

    justin13703 Active Member

    Joined:
    Sep 9, 2010
    Messages:
    2,759
    Likes Received:
    12
    A brand new trans would do the same thing, it’s just a matter of time. Plus by the time you paid for a brand new Toyota trans, you might as well do the t56.

    The way I interpreted it he was saying 6k for the t56 and gear swap.
     
  13. lingenfelterm

    lingenfelterm Member

    Joined:
    Nov 9, 2014
    Messages:
    70
    Likes Received:
    9
    Correct, 2500 for the adapter kit. 1500-2500 for a transmission. Not certain on what a rear end ratio change would run, but it's not something I'd feel comfortable doing myself.
     
  14. JikayouTofuShopXR

    Joined:
    Jan 11, 2016
    Messages:
    54
    Likes Received:
    0
    There's also setting up the clutch, shifter, speedometer... Im just gonna go ahead and say a new ay6 is all around cheaper including in the long run. Just learn how to play nice with it.. t56 is for the LS swaps in my mind
     
  15. lingenfelterm

    lingenfelterm Member

    Joined:
    Nov 9, 2014
    Messages:
    70
    Likes Received:
    9
    I know it will get me kicked off the forum, or shunned into oblivion, but I think I'm going to convert my X to automatic. I haven't fully committed to this idea yet, but if I do, I'll document it, as no one else has done so to date (documented a manual-auto swap on an X-Runner with the factory 5spd auto).
     
    rjbiii likes this.
  16. rjbiii

    rjbiii Member

    Joined:
    May 19, 2018
    Messages:
    61
    Likes Received:
    9
    You gonna source the parts out of a prerunner or convert that baby to 4wd at the same time?
     
  17. lingenfelterm

    lingenfelterm Member

    Joined:
    Nov 9, 2014
    Messages:
    70
    Likes Received:
    9
    PreRunner for sure. Anyone know if factory loom in the X has the additional plugs for an auto trans? Know I’ll need an ECM, interior and shifter bits, drive shaft, trans, cooler, support bracket possibly, lines. Because of our tire size, gearing vs rpm is virtually identical even though we have 3.18 and auto prerunner is 3.73.
     
  18. Slywhitty

    Slywhitty "Midget Magnet"

    Joined:
    Jan 26, 2008
    Messages:
    3,388
    Likes Received:
    8
    Wanna come for a road trip to canada? I have an auto trans and wiring harness from the engine I bought to replace mine. Trans has been in my basement for 8 years I’ll make ya a good deal. Lol
     
    lingenfelterm likes this.
  19. lingenfelterm

    lingenfelterm Member

    Joined:
    Nov 9, 2014
    Messages:
    70
    Likes Received:
    9
    Haha, Road trip would be fun. From what I’ve been able to find, looks like I would have to have a wiring harness from an auto. Other thing is, at least for this guy, https://www.tacomaworld.com/threads/converting-manual-transmission-to-automatic.424635/

    he had issues getting the speedo and odometer to work. Not sure if he used his manual transmission guage set or swapped. Maybe the trans doesn’t play well with other guages...
     
  20. rjbiii

    rjbiii Member

    Joined:
    May 19, 2018
    Messages:
    61
    Likes Received:
    9
    I think you'll need a gauge cluster from an auto as well. The manual trans clusters are different, which could explain why he couldn't get the speedo to work. The auto clusters have the portion on the right that shows what gear you're in, and while that is not necessarily important, it could be the reason why the cluster didn't work. There are bound to be other differences besides just this..
     
    lingenfelterm likes this.

Share This Page

  • About Us

    XR-Underground is a dedicated community of Toyota X-Runner enthusiasts that was launched in January 2007. X-Runner Underground.com, referred to as XRU by our regular members, offers an active discussion forum, group events, specialty merchandise, a welcoming community of owners and the most information you can find about the Toyota X-Runner on the internet!
  • Quick Navigation

    Open the Quick Navigation

  • Like us on Facebook

  • Your donations keep XRU going

    XRU is a forum for the users, by the users. We receive very limited funding from vendors so we really rely on donations to cover our operating costs and to provide products and giveaways at events. Every dollar helps!

    If you are able to donate, we'd really appreciate your help.