help leaking air out head

RISKY^VW Wolfsburg Wizard

403 posts · joined Mar 2003 · 28 Jul 2006, 7:53 pm

#516422

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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VWCOOL 23 Windows of Awesome

5,158 posts · joined Jun 2003 · 28 Jul 2006, 8:58 pm

#516484

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

Pay your debts, CxxT

68AutoBug Beetle Restorer - Experience over 138\% - YIKES --

11,654 posts · joined Aug 2002 · 28 Jul 2006, 10:24 pm

#516545

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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MISS VDUB Administrator Mrs KOMBIBOB

2,565 posts · joined Sep 2005 · 28 Jul 2006, 10:51 pm

#516555

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.

-Staggers.

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RISKY^VW Wolfsburg Wizard

403 posts · joined Mar 2003 · 30 Jul 2006, 8:30 pm

#517074

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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The best tech forum around

oh sgetty will you respect me in the morning

things could be worse you could live in kentucky

Gracey Wolfsburg Wizard

511 posts · joined Feb 2003 · 31 Jul 2006, 10:34 am

#517257

Do a compression test before you start pulling it apart.

koolkarmakombi enkarmarising

2,078 posts · joined Jun 2003 · 31 Jul 2006, 10:56 am

#517259

does it run?

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