RT4WD transmission rebuild

GriftyGrifty Wagonist
in Engine & Drivetrain
Hi All,

Im just wondering what are the options out there for rebuilding a manual 89 RT4WD gearbox?

As you can see you cannot get OEM parts due to them being discontinued

#8 & 9 discontinued
http://www.oemacuraparts.com/find-parts/Honda/CIVIC/1989/5DR%204WD%20%281600%29/KL5MT/MT%20MAINSHAFT%20GEARS%204WD

#7 shows as still avaliable
http://www.oemacuraparts.com/find-parts/Honda/CIVIC/1989/5DR%204WD%20%281600%29/KL5MT/MT%20COUNTERSHAFT%20%284WD%29%204WD

will these synchros fit the gearbox?
http://www.ebay.com.au/itm/Honda-1988-2000-Civic-CRX-D15-D16-Carbon-Synchro-Set-/170503551235?pt=Race_Car_Parts&hash=item27b2cdb903

also will i be able to use the FWD L3 gearbox synchro hubs + gears?

If there is a thread out there already discussing this then please close this one :)

thanks!!

Comments

  • CharbCharb Administrator
    Have you searched here? 503wagon's thread is a good start...
  • GriftyGrifty Wagonist
    Charb wrote: »
    Have you searched here? 503wagon's thread is a good start...

    Thanks ill try and find it, i did do a few searches but nothing promising came up. I Also tried some of the driveline quicklinks but they dont work since the forum has switched.
  • GriftyGrifty Wagonist
    Charb wrote: »
    Have you searched here? 503wagon's thread is a good start...

    I had a look but could not find it, do u mind posting the link? Thanks
  • 1988rt1988rt Senior Wagonist
    whats wrong with your tranny?
  • GriftyGrifty Wagonist
    1988rt wrote: »
    whats wrong with your tranny?

    crunch 2nd sometimes, everything else is good. no bearing noises. Maybe its a issue with the shifter cables, stretched?
  • 1988rt1988rt Senior Wagonist
    no provably synchros, i had the same problem on mine a while ago all i did was flip it over and it worked fine lol
  • GriftyGrifty Wagonist
    1988rt wrote: »
    no provably synchros, i had the same problem on mine a while ago all i did was flip it over and it worked fine lol

    any other options out there apart from this one?

    Also does anyone know if these fit?
    http://www.ebay.com.au/itm/Honda-1988-2000-Civic-CRX-D15-D16-Carbon-Synchro-Set-/170503551235?pt=Race_Car_Parts&hash=item27b2cdb903

    It says fits gearboxes marked L3
  • 808jdmjunkie808jdmjunkie Band Wagon
    Need info on this too.....also my reverse has a nocking noise .....dont mean to jack tread just didn't wanna make a new thread and am new to this site
  • FakeJDMEF8FakeJDMEF8 Senior Wagonist
    From what I've gathered, those won't work.... However, I don't know for sure....in for someone who can confirm.
  • GriftyGrifty Wagonist
    As far as i know the FWD and 4WD gear ratios are the same? So im hoping since they are the same gear rations and our box is marked L3 any L3 synchros should work.

    I might be getting my hands on a rebuild box soon from a wrecking yard, so i might have a shot at taking my old one apart and possibly comparing it to the FWD L3 box.

    Any more info as to why they wont work FakeJDMEF8?
  • FakeJDMEF8FakeJDMEF8 Senior Wagonist
    I have no experience with them at all, but everything I read (well, ffrom members I trust and know their shit) say that it won't work. Others say any Honda 1-5 will work but the SL is different (duh)...


    Id kill for some concrete info. As I'm sure you all would as well. My trans only grinds downshifting from 3rd to 2nd if I don't finesse it....

    About to install the short shift box and mess with the cables, so we will see
  • 88awdrt88awdrt Band Wagon
    Im having the same problem as well as my clutch going out. I hope I don't need to rebuild but if so i would like to know as well
  • GriftyGrifty Wagonist
    FakeJDMEF8 wrote: »
    I have no experience with them at all, but everything I read (well, ffrom members I trust and know their shit) say that it won't work. Others say any Honda 1-5 will work but the SL is different (duh)...


    Id kill for some concrete info. As I'm sure you all would as well. My trans only grinds downshifting from 3rd to 2nd if I don't finesse it....

    About to install the short shift box and mess with the cables, so we will see

    How did you go?

    Ive since replaced my gearbox oil and added an additive to help shifts, it hasn't been grinding since :)

    I will still look into getting a rebuilt box when i change the engine over.
  • FakeJDMEF8FakeJDMEF8 Senior Wagonist
    Nope, replaced oil three times already, no such luck. She still grindz like a slut. I'm currently trying to find a replacement or try the JDM hydro instead. Have the hush22 kit so I should anyways!

    Anyone have any more info on the rebuild of the cable awd trans?!?
  • GriftyGrifty Wagonist
    Ok so it looks like the 2nd gear can still be purchased new, it seems 2nd gear is the most common problem.

    #3

    http://www.lingshondaparts.com/honda_car_parts_selection.php?block_01=18SH501&block_02=M__1500&block_03=9327

    It's not cheap though

    and the synchro kit for 2nd can be purchased from

    #7

    http://www.lingshondaparts.com/honda_car_parts_selection.php?block_01=17SR401&block_02=M__2500&block_03=15098

    hope this helps out some people.
  • luis808luis808 Wagonist
    Hey guys any update on RT4WD? My 3rd gear grinds. Checked with Honda and they no longer make the part. Any one know if any d series 3/4 synchro will work or are they RT specific?
  • GriftyGrifty Wagonist
    luis808 wrote: »
    Hey guys any update on RT4WD? My 3rd gear grinds. Checked with Honda and they no longer make the part. Any one know if any d series 3/4 synchro will work or are they RT specific?
    you can still purchase it from here, not cheap though...

    http://www.lingshondaparts.com/honda_car_parts_selection_pfk.php?block_01=17SR401&block_02=M__2400&block_03=15098

    From what i have heard they are RT4WD specific but i cant confirm since i have never physically compared
  • luis808luis808 Wagonist
    WOW, that is not cheap.Thanks for the info. I hope I can find another sollution
  • GriftyGrifty Wagonist
    luis808 wrote: »
    WOW, that is not cheap.Thanks for the info. I hope I can find another sollution
    I don't know if you can do this, but over here we can put in a remake request for discontinued parts through our local dealership. The request for the part goes to Honda Japan and the decide if it's worth remaking the part. Last year I had about 5-6 different parts remade by Honda Japan for me.
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