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U-Joint fell apart, now no gear.
Posted by: john ackley ()
Date: August 28, 2013 03:58AM

Hi there. I was driving my van and the U-joint let loose at about 10mph. The axle smacked the exhaust cross-pipe into a bolt on the head and put a good bend and hole in it. The worst thing is that putting the van into gear does absolutely nothing! clutch goes in and out and it doesnt matter where I put the stick. I have to push it in to move the stick but letting the clutch out "in gear" does nothing. I'm quite scared since $1,300 just went into it.

any ideas what happened?

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Re: U-Joint fell apart, now no gear.
Posted by: MattNall ()
Date: August 28, 2013 04:00AM

Vehicle will not move with only one wheel driving....just like on ice or snow..


You need to fix the U-joint!





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Re: U-Joint fell apart, now no gear.
Posted by: acardon ()
Date: August 28, 2013 04:02AM

Did you replace the u-joint? without both wheels connected to the transaxle, a open rear end will free wheel without driving the other wheel.

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Don
NTCA....DFW,TEXAS
66 Monza 1 owner

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Re: U-Joint fell apart, now no gear.
Posted by: lgoodwin ()
Date: August 28, 2013 04:37AM

Which part got the hole in it exactly? I'd replace all the u-joints...

1962 Corvair 900 sedan1967 Corvair Monza 140/4-speed1968 Corvair 500 coupe1983 Mexican Mustang 5.0
1962 900 sedan needs a home1967 Monza 140/4-spd1968 500 coupe (now my son's)1983 Mexican Mustang 5.0

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Re: U-Joint fell apart, now no gear.
Posted by: jimmyo ()
Date: August 28, 2013 11:10AM

I would replace both, as others have said. If one was bad enough to snap, I would trust the other one.

Jim O'Connor
45 miles north of The Bronx, N.Y.
1962 Greenbrier 110 4spd
1964 Monza Convertible 110 PG
"Wherever you go....There you are"


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Re: U-Joint fell apart, now no gear.
Posted by: vairmech ()
Date: August 28, 2013 11:57AM

Hmmm, What was done to the truck? Did the u-joint come apart or wear out then break?

Generally u-joints give LOTS of notice that they are going bad.

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Re: U-Joint fell apart, now no gear.
Posted by: john ackley ()
Date: August 28, 2013 05:09PM

I wish i had pictures of it. The one u-bolt strap thingy stretched and snapped, I dont know if it got loose and I lost a bearing cap and went downhill from there or what.

I was rushed a replacement but I am having a hell of a time getting the old end off the axle! I bent my puller sad smiley.

Lots of deep creep and hammering i suppose. Jim gave me the idea of giving the bolt a couple spins out and using it as an anchor, so when its not 100 degrees outside I shall try it.

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Re: U-Joint fell apart, now no gear.
Posted by: larry202br ()
Date: August 28, 2013 09:20PM

are you talking about removing the yoke from the axle? Make sure you remove the inner bolt.

1961 rampside with a 65 / 67 110 engine, car four speed.
complete engine rebuild complete late March. Now having a little fun with it.
KC0SKX
Olathe, ks

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Re: U-Joint fell apart, now no gear.
Posted by: Wagon Master ()
Date: August 29, 2013 12:40AM

"Make sure you remove the inner bolt."

And the thick washer behind it.

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Re: U-Joint fell apart, now no gear.
Posted by: upnorth1 ()
Date: August 29, 2013 01:20AM

I havent been around much but was wondring how you were doing.

I have 2 extras, brand new if you need them. Duluth to Cambridge isnt far, I can mail or meet you near Hinckly.

Chaplain Bob
135 miles from Canada

AT THE TIP OF LAKE SUPERIOR
1961 Loadside 110 140 4 speed, 30 over. 4 speed
1966 Corsa clone
1966 4 door 110 pg

DON'T mess with Old Men, we didn't get old by being, STUPID!!!

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Re: U-Joint fell apart, now no gear.
Posted by: Johnniespeed ()
Date: August 29, 2013 04:04AM

Are you sure you need the yoke off the axle ?
You are only installing a u-joint right ?
When I change u-joints on my FC's I don't take the yoke off the axle. I only need to remove the four axle retaining nuts to slide the axle out a little way. Remove the rear brake drum to see the nuts.

John



Snowy Sparta Michigan.

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Re: U-Joint fell apart, now no gear.
Posted by: JimBrandberg ()
Date: August 29, 2013 01:49PM

Apparently the yoke was damaged and needs to be replaced. I dropped off a yoke a few weeks ago but didn't see the Greenbrier. It's 45 miles from me in St. Cloud so it's hard to just stop by.
They can be difficult to get off the axle even with a proper puller. Heating the yoke will help as will hammer shock. I generally take the bolt and large washer off the axle end and install a substitute 3/8-16 X 3/4 bolt without the large washer for the puller bolt to push against rather than the axle end. The puller from Clarks I have is a solid block with 4 5/16 tapped holes for bolts at the U-joint strap location and a center 1/2" tapped hole fot the bolt that pushes. The solid block is longer on one end to wedge against the A-arm for leverage. I've replaced the 1/2" bolt once and the 1/2" thick solid block is bent from the extreme forces exerted on it.
The powertrain was out a few months ago with the axles merely slid out of the differential. The U-joints looked and sounded fine at that time. The transmission and differential were drained and refilled with Sta-Lube GL4 in an attempt to quiet 2nd gear synchro noise.
As stated above, I'd get both axles installed before trying to test the differential drive.
Jim Brandberg
Isanti, Mn.
CorvairRepair.com

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