[T3] CV concave washer

Keith Park topnotch at nycap.rr.com
Thu Sep 1 17:00:55 PDT 2011


Cage wear is fine, what you don't want is pitting in the runs or on the
balls.

Keith


Top Notch Restorations
topnotch at nycap.rr.com 
http://www.a383ina68.addr.com/radiorest/main.htm
71 Squareback "Hothe"
65 Notchback "El Baja Rojo"
65 Squareback "Eggcrate"
87 golf "Winterat"
93 RX7 "Redstur"

-----Original Message-----
From: type3-vwtype3.org-bounces at lists.vwtype3.org
[mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of Dave Hall
Sent: Thursday, September 01, 2011 6:05 AM
To: type3 at vwtype3.org
Subject: Re: [T3] CV concave washer

If the slots the balls run in aren't right, the joint is rigid - won't angle
at all!

Those photos seem to show quite worn places where the balls have sat in the
cage.  Is that normal?  I guess if the surfaces the balls run on are
reasonably smooth, I guess it's not a problem.  Maybe the wear area is only
polishing.

Dave.
UK VW Type 3&4 Club
===================

-----Original Message-----
From: type3-vwtype3.org-bounces at lists.vwtype3.org
[mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of Brent
Bottolfson
Sent: 01 September 2011 07:46
To: type3-vwtype3.org at lists.vwtype3.org
Subject: Re: [T3] CV concave washer

Bryon,

I had just done my CV's when I wrote that.  Your pictures are exactly what I
was describing with the cage being machined a little on one side.  That's
the side to put the inner part (with the splines) in as it won't fit on the
other side.

Your notes may be better than mine were.  One of my CV's was fairly rusty
and there was a couple weeks between when I took them apart, got a
replacement, and put them back together.  I really think the important part
is to get the narrow and wide ridges to line up between the inner an outer
parts of the CV.  This was the first set I did, so maybe someone who has
done a few more can comment.

-Brent

On 8/31/11 10:04 PM, Bryon Garvin wrote:
> Ok, so I'm reassembling my CV joints (finally) and I thought I had it 
> figured out....but what Brent said about the cage being machined on 
> one side and putting that side toward the axle seems to be in 
> disagreement with my notes when I took it apart.  I'm not saying you're
wrong Brent....I just
> want to be clear :)   I think I probably took bad notes, but just to be
> certain....here's the 2 surfaces of the ball cage:
>
> Grooved:
> https://picasaweb.google.com/lh/photo/f6jGJgD88B6MsXekgAK1Of9-o0EMtv6M
> FzhPsVRph6Y?feat=directlink
> Machined Flat:
> https://picasaweb.google.com/lh/photo/SKW03NpZfD3jWW0r2AI_eP9-o0EMtv6M
> FzhPsVRph6Y?feat=directlink
>
> Which side faces which direction?  Or does it matter?
>
> Thanks,
>
>   - Bryon, '71 Fastback
>
> On Sat, Aug 20, 2011 at 10:42 PM, Brent
Bottolfson<brent at bottolfson.net>wrote:
>
>> On 8/20/11 10:12 PM, Bryon Garvin wrote:
>>
>>> ah...
>>> you beat me to my next question.  So, you got the circlip around the 
>>> splined shaft and then tapped it into place?  Am I understanding?
>>>
>>> I assume the concave washer provides some resistance to pushing the 
>>> CV joint down far enough to get the circlip on?
>>>
>> Yep.  First I tapped the CV onto the shaft with a plastic mallet.  
>> The groove for the clip was just a tiny bit unexposed from the 
>> concave washer resistance.  So I used some snap ring pliers and 
>> spread the clip around the shaft and got it situated to where it was
almost all the way in the groove.
>>   Then I just tapped a bit with the socket to get it in the groove.
>>
>>
>>> Did you assemble the joint and then press onto the shaft?  Or did 
>>> you press the inside part of the joint on the shaft and then "build" 
>>> the rest of the joint around it?
>>>
>> They're already hard enough to get together, doing it on with the 
>> inner part on the shaft would probably make it even harder.  I put 
>> the CV together first, then put it on the shaft.  They really only 
>> seem to come apart if they're twisted from side to side, if you put 
>> it on straight up and down it will stay together.
>>
>> I noticed on mine that the inner portion of the CV had a wear 'ring' 
>> on one side from the washer on all of my CV's.  So they went back 
>> together the same; that side also has a small chamfer to it and goes 
>> in facing the concave washer.  The cage is also slightly machined on 
>> one side which makes it a little larger than the other to get the 
>> inner portion in.  I don't know if it makes a difference, but I put 
>> that side also facing the concave washer.
>>
>> Lube up the inside of the end of the boot well when you put it on the 
>> shaft.  Make sure that the Ottinger clamp (spelling) is on the shaft 
>> too, and don't crimp it until your done and get the boot situated 
>> where the holes line up.  I learned that the hard way on my first 
>> one.  And I wore latex gloves as it's a pretty greasy job.
>>
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