[T3] Toby's engine...

B Fye bfye at canyonville.net
Tue Jan 1 09:26:13 PST 2013


The bearing is beyond polishing.  It is visually damaged!  And yes, dowel pin hole.  Now that my brain is fresh, I also realized my mistake in describing what was happening.

Brian Fye

On Jan 1, 2013, at 6:53 AM, "Jim Adney" <jadney at vwtype3.org> wrote:

> On 31 Dec 2012 at 17:44, Brian Fye wrote:
> 
>> Alright...  Spun crank bearing!  The one that is closest to the flywheel...
>> the oiling hole is ovaled out with spurs/barbs/deformation.
>> The other bearings all look great, so I will pull off the spun (seized to
>> the crank) and see how badly the crank was scored.
> 
> Oiling hole or dowel pin hole?
> 
> What was going on with the #3 P/C?
> 
> Seems odd that an engine would last 25k and then suddenly have a 
> problem with oiling at one bearing. I wonder if the end play was too 
> tight?
> 
> If you can get that bearing off without further damage to the crank, 
> you may be able to just polish it, but if it's blued from overheating 
> it will have lost any surface hardening that it once had.
> 
> Even if you have to replace the crank, that's not so bad if nothing 
> else got damaged. Still, the case will have to be align bored.
> 
> -- 
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
> 
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