The Stovebolt Site Forums The Shop Area Driveline Help Needed In Removing The Rear Yoke!!!!!

I can not get the rear yoke removed from my 4 speed transmission, what am I doing wrong?????? I removed the center bolt and the yoke moves back and forth but will not come all the way out. What is the next move???? Thanks!!!

Marv.

Hy marvin ribbich, could you tell us what year of four speed you're working on? Have you removed your speedo drive?

1942 Chevy 1-1/2 ton truck, the speedo drive no. Does the speedo drive come out the hole the speedo cable goes in?????????

Marv.

Hy marvin ribbich, yes the speedo driven gear is behind where the speedometer cable is attached, it may not be holding the yoke, but then again it may be, good luck

If it's a non-synchro original tranmission, I believe there are three parts to the speedo drive. One bolts into the drivers side and holds the shaft in place. Remove that and the shaft should slide free. There should be an identical plug on the passenger side of the transmission that comes out, the end of the speed shaft sits inside the center of it. I don't know if you have to unbolt that part on the passenger side. It looks just like a big bolt head.

That should fix it, but as 3B mentions, I can't remember if it needs to come out or not to pull the yoke!

Jeff

Removed the speedo gear but still can not get the yoke out, what next?????

Marv.

You probably have rust on the splines or the yoke was loose and wore into the splines and you are catching the ridge. In either case, I think you need to use a puller.

The bolts that hold the rear seal on need to be removed. The seal comes off with the yoke

Should not the yoke pull off without removing the seal, how else would you replace the seal??? The seal would need to be put in and than the yoke installed.

Marv.

Not on a '42.

Is there a plug opposite of where the speedo gear was removed?

Jeff

Removed both plugs but it still feels like the yoke is hitting something even though it moves back and forth about 1/2".

Marv.

On a open drive 1942 trans. the seal goes on the yoke first than the speedo gear is pressed on. The yoke will not come off unless the seal is unbolted.
It has been quite a while since I did this. The shop manual says the hole rear housing needs to come off,Shop Manual
Jeff, do you have an open drive or torque tube? it makes a difference.

Dave, It's an open drive.

I think were thinking of two different things??? You only need to remove the retainer to press the old seal out from the backside.

The seal for the yoke is pressed into the rear housing/retainer, than the yoke with speedometer drive gear slides onto the output shaft of the tranny, one bolt and thick washer and your done.

Marv, maybe you should pull the back of the tranny off to see what's going on. I can't remember that needing to be done, but who knows?

Jeff