[Mg-mmm] Water in the sump

[TATERRY at aol.com]

In a message dated 4/17/2009 11:59:29 AM Pacific Daylight Time, 
grunau.garage at sympatico.ca writes:


> I would pressure test the water system and see where the water is leaking.
> If the sleeves are leaking, or the block was repair welded, maybe time for 
> a
> new block.
> 
> It is possible for the water pump seal to allow water to leak into the 
> sump.
> Hopefully that is your problem.
> 
> I would pull the sump before pulling the head. Then pressurize the cooling
> system and look for leaks around the cylinder bores or sleeves.
> 

Thanks to all who replied so far....yes this block has been sleeved back to 
standard, but by a very competent engine builder sadly now passed away.   
It also had 17 inches of stiching done on the water jacket but I don't think 
a failure there would do anything to leak into the sump.....I'm hopeful that 
it is the water pump as I had it overhauled in Oz some years ago and it was 
very corroded for starters....How do I pressurize the cooling system as 
suggested my Mr. Grunau?

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