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Author: Subject:  help leaking air out head
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posted on July 28th, 2006 at 07:53 PM
help leaking air out head


hi all
i was just working on my 1600
and when turning it by hand it was leaking air out of
the heads where they meat cly
now i was thinking 3 things
pulled head studs
head not the right tensions
just crapy seal?
now it's out of every cly and i can only hear it
what do you all think?




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posted on July 28th, 2006 at 08:58 PM



you sure?

Done a head torque?

If they are leaking, heads need to be removed and 'skimmed' so they once again seat tight against the top of the barrels




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posted on July 28th, 2006 at 10:24 PM



Are You sure...?

as air is compressed when turning the engine over

the compressed air will also escape when a valve opens up

thats what is normally heard

If air is leaking, so should oil be leaking?

Lee

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posted on July 28th, 2006 at 10:51 PM



You can usually hear air 'leaking' when it's turned over by hand, but it's usually just past the rings.

If the air IS leaking from the head/bore mating surface then you may have pulled ya studs, I'd check them first.
If it's not that you might need your heads bored and lapped.

I doubt oil would leak from the head/bore surface, as there's no galleries etc.

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posted on July 30th, 2006 at 08:30 PM



hi all thanks for the replys
yeah im sure it's leaking out of the heads :(
it's an as41 case so i don't think all the studs are pulled
but is is leaking a bit from every pot
will have to take off the heads
cheers




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posted on July 31st, 2006 at 10:34 AM



Do a compression test before you start pulling it apart.
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posted on July 31st, 2006 at 10:56 AM



does it run?



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