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DIY: Transmission Rebuild (89pics!)

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Old 01-31-2008, 03:01 PM
  #11  
fathergoat
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Originally Posted by lkailburn
damn thats cheap. too bad its not local. HF has their 12 ton for 110.
I'm wondering if i should just build my own. would you mind taking a close picture of the rack that the bottle jack sits on?

btw, rough idea on how much all the new seals and bearings ran?

-Luke
I bought the rebuild kit off ebay, the sellers name was "acerl". I think it was 260 and included bearings, syncros, and seals. I did have to order some misc. stuff like washers, friction dampers, and the counter shaft nut. Those parts are not supposed to be reused.
Hopefully this will help you on the press.

Originally Posted by rodan
Excellent.
thanks
Old 02-01-2008, 04:38 AM
  #12  
lkailburn
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hmm, i never noticed any rebuild kits. i'll have to check them out. thanks for that info. have you run this rebuilt tranny yet?

thanks for the pic! i sucked it up tho and just went to harbor freight and bought the 20ton press. :-) i'm sure i'll have more uses for it in the future.

-Luke
Old 02-01-2008, 06:00 AM
  #13  
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I actually did it during summer last year. I did have a little grind in third when shifting at high rpms. I gave syncromesh a try and now it's butter. I hear the new Honda MTF works just as good. I think it has to do with necessary friction where the syncro and gear mate. And that's why Honda only sells them as a set(gear, syncro, sleave). If you have good syncros you can look on autozone's site and they sell a bearing set. Or get on ebay http://stores.ebay.com/TRANSPARTS-AT-THE-BEST-PRICES
Old 02-01-2008, 06:04 AM
  #14  
lkailburn
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hm ok thanks. yeah i was looking at majestic's prices for seals and bearings. i've actually got two y8's i'm looking to build one good one from. i'm hoping that i'll have atleast a good set of gears and syncro's. any best ways to test if they are within spec? i don't recall anything in the helms about checking synchro's.

thanks for the help

-Luke
Old 02-01-2008, 07:01 AM
  #15  
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if they're still pointy they're good, if they're rounded they're bad, that's about it
Old 02-01-2008, 07:58 AM
  #16  
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very nice job, great details
Old 02-01-2008, 08:49 AM
  #17  
HatchVX
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I got my rebuild kit from http://www.standardtransmission.com/ . If I remember right i paid 275 for the SOHC rebuild kit and it 360 for the DOHC ones.
Old 02-01-2008, 01:02 PM
  #18  
lkailburn
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hmm i just noticed something. on both y8 trannies the mainshaft bearings did not need to be pressed off. in fact one of them is sitting kind of edit:"stuck" in the top of the casing. the other slides on and off the shaft. hmm i can't imagine both trannies would have spun the main shaft bearings.

thoughts?
-Luke

Last edited by lkailburn; 02-01-2008 at 02:01 PM.
Old 02-01-2008, 01:12 PM
  #19  
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:thinking: I seem to remember mine coming off really easy but the new one needing pressed lightly on. I do remember that all of the press work was light. I didn't have to apply much pressure.
Old 02-01-2008, 04:53 PM
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the main shaft bearing basicly slide off, the counter shaft ones are the one that take some effort.


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