Re: Blown Timing Belt

["Paul Krucke" <pkrucke@logistics.calibersys.com>]

     The 8v is what is called a NON-interference engine.  No damage should 
     occure with a broken/bad timing belt.  On the other side the 16v is an 
     interference engine which means yes you will trash your valve train, 
     etc.
     
     -Paul
     66 Bug
     86 Quantum GL5
     87 Scirocco 16v
     87 Jetta GLi
     


______________________________ Reply Separator _________________________________
Subject: Blown Timing Belt
Author:  "GREAVES, AMNA" <AGREAVES@eng.pria.com> at TGATE
Date:    1/10/97 9:25 AM


     
I believe that if you break/lose a timing belt while the engine is running 
you stand a good chance of crushing your valves.  Since the timing belt is 
what keeps the cam shaft and crank shaft in synch, when the timing belt goes 
the cam shaft stops and the crankshaft, since it's still attached to the 
tranny (unless you clutch, but it still has to slow down before it stops) 
will keep moving the pistons.  Thus, if you have a valve in the open 
position, and the cylinder comes up, you can crush it....
     
Unless there is enough clearance when the cylinder is at the top that it 
doesn't touch the valve, but I would doubt this, especially on 16v 
engines...
     
but, of course, I could be wrong....
     
what say you guys ?
     
a.
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