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Farmall 1950 Super A eating clutch shaft pilot bushings

I have a 1950 Farmall Super A purchased in 1999. Used it for mowing and snow plowing for 10 years then added some minor plowing. Replaced the clutch & pressure plate in 2005 with a rebuilt Rockford kit.In 2010 when disengaging clutch I heard a sound inside tractor which resembled a "thrashing machine" and was unable to shift the transmission. On splitting the tractor I discovered a badly worn pilot bushing on the clutch shaft where it seats in the crankshaft. Changed the bushing & throwout bearing. Same problem in 2012. Split the tractor and found the pilot bushing worn again and decided to check the rear of the clutch shaft. I found the clutch drive shaft joint disc bent nearly in half. I replaced the shaft joint disc & bushings, had the flywheel machined in case it was warped, put in a different clutch shaft and changed the throwout bearing and pilot bushing again. In three months of use same symptoms appeared. Split the tractor again & found the pilot bushing totally destroyed and the clutch drive shaft joint disc bent again (not as bad as the previous one had been). I have checked the shaft from the transmission (no unusual play), replaced the shaft joint disc again, installed a new pilot busing, have secured a third clutch drive shaft and have had it checked for trueness (also checked the previous two and none are bent). Before I put this tractor together again what could I be missing? An International service manager told me to check the bushing in the flywheel but the flywheel has no bushing. It stands to reason that if the pilot bushings are being "eaten up" the shaft must be wobbling in the bushing. What can be causing this if the shaft is not bent? Any help would be appreciated since I am really getting tired of splitting my tractor apart.

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Posted on Jan 02, 2017

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SOURCE: whines in neutral with clutch out and while driving in 4 of 5 gea

the cushion ring broke

Posted on Jan 29, 2009

  • 72 Answers

SOURCE: rebuilding 1995 honda civic transmission

Did you make sure that the tork converter was all the way forward first if not then you will need to take the transmission back out and make sure that the converter has either automatic trany fluid in it or 184/85 gear oil depending on whether or not you have automatic trasmission or manual fill it up until you can put your finger in it and then rotate converter clock wise and it should slip into place before putting trasmission back into car and if after doing that and you still are having trouble take it to a transmission shop to have them do it for you.

Posted on Sep 14, 2009

  • 1 Answer

SOURCE: whining/grinding noise at deceleration

If the noise is on decceleration mostly like it is the pinion bearing in the diffrential. Could possibly be spider gears as well.

Posted on Apr 30, 2010

  • 4803 Answers

SOURCE: ive just replaced clutch assembly

If you machined the flywheel and assembled the clutch without placing a shim between the flywheel and the engine crank shaft, this is most likely what your problem is. If you took 30 thousanths of an inch off of the flywheel, this could move the pressure plate in toward the engine just far enough that the throw-out bearing cannot get enough travel to disengage the clutch. You need to take it back apart and put a 30 thousanth flywheel shim in it. (or 40 thousanth, 50 thousanth, etc. depending on how much was taken off of the flywheel.) See the picture below of a flywheel shim. This is an that will fit your car may look a little different.


Posted on Mar 11, 2011

  • 1 Answer

SOURCE: I have 2005 Scion CT, with 5 speed manual

I had the same problem.. About a year of that problem i lost 5th gear and i had to replace my transmission.

Posted on Nov 10, 2012

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