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  1. TheCraigMachine

    First time rebuild problems-trouble upshifting

    So after driving this thing around for awhile, Im not 100% happy with the shift quality. At light/part throttle, the 1-2 shift is firm and deliberate, but not harsh. Exactly the way it should be. The part throttle 2-3 shift is very harsh and "snatchy". Kinda bangs into gear. At heavy/full...
  2. TheCraigMachine

    First time rebuild problems-trouble upshifting

    Got it fixed. Pulled the pan again to swap valve bodies and found a piece of a sealing ring lying in the bottom of the pan, and I immediately knew where it came from... When I intially assembled the unit, I had a lot of trouble fitting the govenor assembly into the output shaft support. I...
  3. TheCraigMachine

    First time rebuild problems-trouble upshifting

    So what effect would blocking it have? It sounds like it would make it drop down into kickdown a lot harder, but I also see the potential of a 3-2 flare by doing that also. If it were to relieve all pressure from the front clutch pack before the kickdown band had a chance.to apply it would flare...
  4. TheCraigMachine

    First time rebuild problems-trouble upshifting

    Im going to build another valve body. I have a couple of extras lying around. Does anybody know what the shuttle valve does? The reason I ask is because one of my extra valve bodies doesnt have a spring behind (or in front of) the shuttle valve. What purpose does it serve?
  5. TheCraigMachine

    First time rebuild problems-trouble upshifting

    I measured thecheck balls so I know those are in the right placces. The TV spring is in the correct location, used the yellow one from the kit. I realized that I didnt disassemble the governor weight itself so I didnt see the spring inside. I measured pressures today, heres what I got...
  6. TheCraigMachine

    First time rebuild problems-trouble upshifting

    Okay update. Went back through the valve body. I had the wrong springs in the shuttle valve and in the part throttle kickdown. Checked everything else, looked good and all springs have been accounted for. Even put an original throttle valve back in (the other one had been ground down as per TF2...
  7. TheCraigMachine

    First time rebuild problems-trouble upshifting

    Thanks Fishy. Thats exactly what I needed to know. Im really determined to get this thing right. All my clutches and bands are engaging correctly so Im on the home stretch as far as Im concerned. The second gear shift felt really good, Im just ready to know what third is gonna do!
  8. TheCraigMachine

    First time rebuild problems-trouble upshifting

    Just completed my very first 904 rebuild with a 998 low gear set and TF-2 kit and took it for a test drive last night. Forward and reverse engage fine, but would not upshift from first to second. This morning I backed off of the kickdown cable to the point of not having any tension on it and it...
  9. TheCraigMachine

    904 slip yoke seal

    Why the hell cant I find a slip yoke seal to fit my 904??? The one that came in my rebuild kit was too big, the one I ordered from R A was too big, and the one I just picked up from NAPA was also too big! The recess in the tailshaft measures 2.260" and the replacemtent seals im getting are...
  10. TheCraigMachine

    Newbie question about piston seal installation

    The sealing side is the "wider" side of the seal. Fluid fills the cavity between the piston and the drum, which tries to force the piston out of the open end of the drum. Think of the seal as a one way valve; which end will allow fluid to bypass the seal, and which end will cause the seal to...
  11. TheCraigMachine

    rear clutch piston lip seal

    Hadda order the whole seal kit. No biggie, was only $11. Went ahead and ordered a direct drum bushing, reverse band, and a manual. Now my next problem is going to be determining/setting the end play since I apparently didnt check it the correct way before teardown...
  12. TheCraigMachine

    rear clutch piston lip seal

    I messed up the inner lip seal while installing the rear clutch pack piston on my 904. I havent been able to find just the lip seals anywhere and I dont want to buy a whole "paper and rubber" kit just for one friggin seal. Id hate to have to put it back together with the old seal, even though it...
  13. TheCraigMachine

    904 no second gear

    My 69 model 904 completely lost second gear the other night after a few sluggish feeling 1-2 shifts. Still has first, third, and reverse, but second just freewheels. Looking at the sequence of operations on the trans, its obvious that the kickdown band isnt applying, but as far as I can tell...
  14. TheCraigMachine

    904 is driving me to insanity....

    That shudder from a launch in first isnt good at all. That sounds like a slipping rear clutch pack to me...
  15. TheCraigMachine

    Shift kits

    Just went thru this myself with my 69 904 and a TF-1 kit. Very few parts from kit actually used, and extremely vauge instructions. I assembled and reassembled my VB probably 5 times before I was satisfied that I had it right. It did firm up the shifts substantially, but it DID NOT alter the...
  16. TheCraigMachine

    Torqueflites For Dummies

    So I got it all back together, and much to my relief, IT WORKS! But i will have to say that im a little disappointed in my TF-1 shift kit. The shifts are only mildly firmer than stock, and it didnt change my medium throttle shift points at all. Light throttle shift points are noticably higher...
  17. TheCraigMachine

    Torqueflites For Dummies

    The snapring under the plate. Hmm. Guess if my dumbass would have removed the mount I would have seen that! :banghead: Anyways, I have a 999 trans from a jeep sitting in my shed, Id like to install the low first gear if into my 904 if I can. Considering the amount of teardown involved in this...
  18. TheCraigMachine

    Torqueflites For Dummies

    So I have my 904 out and wanted to install my TF-1 shift kit while i had it apart to replace leaky seals. HOLY CRAP I wasnt expecting so much disassembly to be involved in just a shift kit install!:oops: So... What Im thinking is that since I basically have to do a full teardown just to install...
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