[urq] Rebuild engine seizes after 15sec's . ( non audi ) follow up

[Chris]

Use any plasti gauge during assembly to check the bearing clearances?

> On Oct 31, 2014, at 11:59, "Patrick Carlier" <p.carlier at pandora.be> wrote:
> 
> So I pulled the engione today , and took it apart .
> 
> Pistons , rings and bores are good .
> Pistons can be pushed out with an index finger .
> Bearing shells look ok and are certainly not seized .
> 
> Crankshaft turns heavier as TDC's are approached .
> Both on the outer and inner pistons .
> Finally  I looked at the main bearings , and the nr 5 is totally gone .
> Fused to the crankshaft , and the shell  started turning in the bearing cap .
> 
> So  I guess I found the problem ,  but I haven't got a clue why this happend .
> Oil channels are free , no cracks anywhere ...
> 
> What worries me now is that this is the 1500 block wich had severe big end damage .
> It's main bearings were also showing the copper layer , but all five of them were nicely equally worn
> Tis could indicate  a problem with the oil feed somewhere .
> I already used the oil pump and filter mount etc from the known good 1600 ..
> 
> I 'll call it a day for now .
> 
> Big thx to everyone for the many reactions .
> 
> Pat
> 
> 
> 
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