16v head gasket surfaces

[jdbubb@ix.netcom.com (Dan Bubb)]

Generally, it's necessary to scrape the head and block surface with a gasket
scrapper or putty knife.
As you point out you need to be a little careful about the aluminum head
surface.
I've never seen a solvent have much effect here.
Dan


----- Original Message -----
From: T. Reed <treed2@u.washington.edu>
To: <scirocco-l@scirocco.org>
Sent: Saturday, September 07, 2002 7:01 AM
Subject: 16v head gasket surfaces


> Okay, so I pulled everything off the 1.8 today and it's ready to be
> hoisted out the bottom.. that will happen tomorrow morning. The only
> trouble I had was that three downpipe studs are stuck inside the exhaust
> manifold and I need to find a way to get them out somehow so I can replace
> them. One is broken off but still has an inch protruding from the flange.
> I tried heat and liquid wrench and they didn't budge but I'll try a stud
> remover tomorrow.
>
> I took the head off already to remove the exhaust manifold and I noticed
> that both the head and block are both pretty scummy from the head gasket
> and I tried to clean them up a little with some carb cleaner but it
> didn't help much. I will do a better job later but I'm wondering how
> clean do these surfaces need to be? I would be afraid to use any abrasive
> for fear of scratching the soft aluminum head.
>
> I put the head back on with the same gasket and head bolts (the bolts were
> filthy.. had to clean them up them up with a brass wire brush just to get
> them to thread in again) temporarily so that I can have two lift points to
> connect the hoist to.
>
> More details on the engine swap tomorrow..
>
> -Toby
>
>
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