I'm removing a ring and pinion gear for a fellow ford barner and I'm wondering how you remove the pinion gear from the drive shaft. I've removed the cotter pin and crown nut off the end of the drive shaft. I've removed the two large nuts from the inside of the pinion gear/ drive shaft. Is it free at this point or am I missing something? I don't want to do any damage to this because its being used again. Thanks in advance
Pinion gear removal
- Thread starter Oldnuts
- Start date
Keith True
Well-known member
Leave those two big nuts on the pinion,the only thing that holds it on the driveshaft it the nut/cotter on the end.Take the cotter out,and back that nut off a couple of turns.Take a two foot piece of pipe that fits over the driveshaft,and drop it down over the shaft onto those double pinion nuts.It is important to have those pinion nuts in place so the pipe won't damage the threads on the pinion sleeve.Just gravity dropping that pipe will be enough to shock the pinion off.It is a tapered fit so once it pops it is completely free.
tbirdtbird
BANNED
if you are doing anything inside an A differential i strongly suggest you follow the step-by-steps from Tom Endy
http://www.ocmafc.org/techarticles/Tom Endy's Special Topics/Differential Seminar - Re-Edited.pdf
this is the real deal
http://www.ocmafc.org/techarticles/Tom Endy's Special Topics/Differential Seminar - Re-Edited.pdf
this is the real deal
Tom Endy
Well-known member
It is very easy to do damage to the threads on the end of the drive shaft and to also mushroom the end of the drive shaft up into the pinion gear sleeve.
The best method for removal is to clamp the drive shaft into the pipe grabbers of a bench vice. Back off the 15\16" hex nut on the end of the drive shaft about 1\8" of an inch. Do not remove it. Put something behind the threaded end of the pinion gear sleeve. A small bearing puller will work. I use a 1\2" piece of steel with a hole bored in it. Grip whatever is behind the pinion gear sleeve with a flywheel puller. I have one I bought from Sears years ago used to pull flywheels off lawn mower engines. Make sure the point of the puller is in the detent at the end of the drive shaft.
Tighten the puller down good and tight and briskly smack the end of the puller with a hefty hammer. If after about four whacks it does not come loose tighten the puller more and repeat.
When the pinion breaks loose the puller will drop onto the bench. You want to have left the nut in place to prevent the pinion gear from flying across the shop.
The two large nuts on the pinion sleeve are for adjusting the pre-load they have nothing to do with removing the pinion from the drive shaft. The pinion gear can be removed with just the single bearing on it, or with the whole assembly including both bearings and the double race and nuts attached.
Tom Endy
The best method for removal is to clamp the drive shaft into the pipe grabbers of a bench vice. Back off the 15\16" hex nut on the end of the drive shaft about 1\8" of an inch. Do not remove it. Put something behind the threaded end of the pinion gear sleeve. A small bearing puller will work. I use a 1\2" piece of steel with a hole bored in it. Grip whatever is behind the pinion gear sleeve with a flywheel puller. I have one I bought from Sears years ago used to pull flywheels off lawn mower engines. Make sure the point of the puller is in the detent at the end of the drive shaft.
Tighten the puller down good and tight and briskly smack the end of the puller with a hefty hammer. If after about four whacks it does not come loose tighten the puller more and repeat.
When the pinion breaks loose the puller will drop onto the bench. You want to have left the nut in place to prevent the pinion gear from flying across the shop.
The two large nuts on the pinion sleeve are for adjusting the pre-load they have nothing to do with removing the pinion from the drive shaft. The pinion gear can be removed with just the single bearing on it, or with the whole assembly including both bearings and the double race and nuts attached.
Tom Endy
