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Old 11-05-2020, 01:42 PM
ArtJ ArtJ is online now
 
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bubbling a/f inside spark plug recess

I ran my spare A4 today and checked for the source of coolant collecting
in the spark plug socket nearest the output shaft end of the engine.
I checked for the source being a thread leak from a nearby stud as
mentioned by Don Moyer in a recent service note.
The leak appears to be bubbling coolant out of a specific (small hole?)
on the side of the plug recess. Can this be repaired in a way that will
hold up rather than replacing the head?
This engine was acquired as a spare engine and the PO said it
had been rebuilt. The engine is one of the very later late model versions build as it
has the flat plate covering the front of the engine. The engine was S/W cooled in prior use but I would use f/w if needed as a backup


Comments appreciated

Thanks Art
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