[Mgs] Something (or things) leaks - how to locate the source?

Steve Shoyer steve at shoyer.com
Mon Jun 3 15:13:20 MDT 2019


Thanks for the suggestions.  The dye showed slight leaks around the 
valve cover and side cover, but the main flow was coming from the oil 
filter pipe adapter (I'm not sure if that's the right name).  My guess 
is that I need to replace the crush washer that sits between the block 
and oil pipe adapter.  I haven't found a good diagram online - most 
engine diagrams show the other side of the engine, and then the oil 
filter diagrams usually show oil coolers/hoses - but I think the washer 
is Moss 324-800 (or 6K501).  Shipping out a washer (or a few washers) 
costs about 10x the price of the washer, so I'd like to find something 
local if I can, more to save time than money.  Does anyone know if 
there's a generic description of this washer so I can check with local 
auto parts stores?

Two follow-on questions:

1) How can I get access to the adapter so I can replace the washer?
2) As long as I'm removing that adapter, should I just go ahead and 
install an oil cooler?  It would be overkill, but it doesn't seem like 
it would be much more effort, and the cooler kits include the washer. ;-)

Thanks.

--Steve (1980 MGB)


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