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Subject:Re: How is coolant getting to exhaust???
From:Ben McCafferty
Date:Mon, 1 Jul 2002 09:00:35 -0600

I would check the head for plane.  It may be warped from heat, and look
flat.
tx,
bmc  :)
"Faith will move mountains, but you'd better bring a shovel...."

> From: Craig Oda - Personal email <craigoda@COMMUNITYBUILDERS.INFO>
> Reply-To: Craig Oda - Personal email <craigoda@COMMUNITYBUILDERS.INFO>
> Date: Sun, 30 Jun 2002 22:12:57 -0700
> To: vanagon@GERRY.VANAGON.COM
> Subject: How is coolant getting to exhaust???
>
> I've recently reassembled my cylinder heads for the second time in a
> week and I am very sad because it is still aggressively leaking
> coolant from the exhaust port near cylinder 1.  See the pain here:
>
> http://communitybuilders.dhs.org/craigoda/vw/cylinderhead/index.html
>
> I carefully cleaned all surfaces near the green o-ring and aluminum
> compression ring.  I can't find any crack.  Though, I did not yet take
> the head to a shop to be tested.  I can't figure out how coolant would
> get to the exahust even if there was a crack.  there is no coolant in
> the head itself right?
>
> What would cause this much coolant to get to the exhaust?  I feel it
> is a crack, but when I look at the head, it looks fine and I looked
> very carefully.
>
> Does anyone have any suggestions?
>
> The inner round surface of the head where it mates with the cylinder
> sleeve looks fine.  This last time, I even put hylomar sealant on the
> green o-ring as an extra precaution.
>
> If I stick my finger into the exhaust port of the head, it is filled with
> coolant.
>
> When I took the heads off the cylinder sleeves, I had to pry it off
> with wedges.  Is it possible that I warped the cylinder sleeves?
>
> -- Craig
>
> --
> Craig Oda   craigoda@communitybuilders.info
> VW Info: 1983 VW Westfalia, water-cooled, automatic
>