[Vwdiesel] Valve Train Wreck

[Val Christian]

I had that happen on an 84, and it was still the factory torquing.  
It happened just as I got off the expressway, at about 1500 rpm.  
Chipped the piston, which I reused.  Had to replace some valves, though.


> 
> Mark and Loren~
> 4-million mile man here lol!  I pulled the crank pulley and it is the drift key type- no problem there. The TB is stripped but I'm guessing that the reason for the slip in timing was the cam sprocket- I'll likely never know for sure but it sure made a mess of the head! 
> 
> Chuck
> ---- Chuck Carnohan <carnohan at tdiesel.myrf.net> wrote:
> >
> > Thanks guys for the information. I'll pull the crank pulley and take a looksee.... Also the belt. I have more head cores so I feel lucky so far!
> > ---- mark shepherd <mark at shepher.fsnet.co.uk> wrote:
> > >
> > > Well Chuck after 4 million miles my cups would break too ;o) ...or did you 
> > > mean 4000km?
> > > Mark
> > >  Either they seized or there was a clash with the pistons [timing jumped 
> > > maybe a slipped crank pulley]
> > > 
> > > 
> > > ----- Original Message ----- 
> > > From: "Chuck Carnohan" <carnohan at tdiesel.myrf.net>
> > > To: <vwdiesel at vwfans.com>
> > > Sent: Saturday, May 24, 2008 12:06 AM
> > > Subject: [Vwdiesel] Valve Train Wreck
> > > 
> > > 
> > > > After 4000K it started ticking- went spewwwww and stopped. Tbelt fine- not 
> > > > much warning. Why did the valve cups mostly all break? No apparent harm to 
> > > > the pistons but the head is toast. Recommendations on where to get new 
> > > > cups?
> > > > Chuck
> > > >
> > > > http://i120.photobucket.com/albums/o177/idhoho/HeadTrip3.jpg
> > > > http://i120.photobucket.com/albums/o177/idhoho/HeadTrip5.jpg
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