<VV> Strange (?) double failure

[Harry Yarnell]

There's a key statement here; you said you could turn the ball joint stud 
trying to remove the nut. This is 'impossible' if the stud is correct and 
installed tight. One of these two conditions isn't right.

harry yarnell
perryman garage and orphanage
hyarnell1 at earthlink.net
----- Original Message ----- 
From: <AeroNed at aol.com>
To: <virtualvairs at corvair.org>
Sent: Sunday, October 08, 2006 1:05 AM
Subject: <VV> Strange (?) double failure


>I thought this was somewhat strange and I thought you might be 
>interested...
>
> About 5 years ago I rebuilt the front end in my coupe, new everything. I 
> was
> getting it ready for an autocross tomorrow and was backing it out of the
> garage when BOOM. The driver's side lower ball joint nut popped off and 
> the ball
> joint shaft came out of the steering knuckle. Fortunately for me, the 
> threads
> in  the nut were the one's that stripped out. There was no sign of the 
> cotter
> key.  Replaced the nut and cotter key and all is well.
>
> I decided to check all of the other cotter keys on the front end. I found
> the passenger side lower ball joint to also have a failed cotter key. 
> There was
> still part of the key in position, but I was unable to remove the residue.
> Turning the nut only turned the ball joint shaft. I had to liberate the 
> nut
> with  the careful use of a Dremel. Another new nut and cotter key and all 
> is back
> together.
>
> Anyhow, what could cause the failure of these two cotter keys?
>
> Ned
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