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can head bolts be "tightened" mid-use?
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Some will tell you yes and some will say no. My thoughts and conduct in =
the shop are this: Composite headgaskets *may* tear near a water or oil =
hole.... only seen it once on another tech. Metal gaskets,.. none of us =
have had any problems. As a matter of fact,.. that is out *protocol* on =
minor head leaks where I work. Retorque first,... then tear it down. =
Since the ABA gaskets are two ply metal with composite in the middle =
IIRC,... I say twist them bolts in the correct order, (refer to Bentley =
if that'll help ya), I'd go a 1/4 turn and see what I got.
just my opinion. BTW,... my head hasn't leaked since mine was =
retorqued a year ago. =20
Chris
'88 16v Rocco =20
'78 8v Rocco
'80 Caddy
'92 SLC
'02 337 1.8T
'00 GTI VR6
'97 Golf GL
----- Original Message -----=20
From: Jeff Toomasson=20
To: scirocco-l@scirocco.org=20
Sent: Tuesday, April 01, 2003 9:17 PM
Subject: can head bolts be "tightened" mid-use?
I was just looking at my 9a sitting in my garage and it got pretty =
cruddy over 1.5 years it was in my car. I have a sneaking suspicion part =
of that crud came from the head gasket area. I used the ABA gasket and =
it ran great when I took it out so I don't think I blew anything, but I =
was wondering if there was any way I could "adjust" the headbolts to =
make sure. Maybe just to make sure they're on torque or even maybe give =
'em a hair tighter?? Any thoughts?
TIA, JT
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<DIV><FONT face=3DArial size=3D2>Some will tell you yes and some will =
say no. =20
My thoughts and conduct in the shop are this: Composite =
headgaskets *may*=20
tear near a water or oil hole.... only seen it once on another =
tech. Metal=20
gaskets,.. none of us have had any problems. As a matter of =
fact,.. that=20
is out *protocol* on minor head leaks where I work. Retorque =
first,...=20
then tear it down. Since the ABA gaskets are two ply metal with =
composite=20
in the middle IIRC,... I say twist them bolts in the correct order, =
(refer to=20
Bentley if that'll help ya), I'd go a 1/4 turn and see what I =
got.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>just my opinion. =
BTW,... my head=20
hasn't leaked since mine was retorqued a year ago. =
</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Chris</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>'88 16v Rocco <BR>'78 8v =
Rocco<BR>'80=20
Caddy<BR>'92 SLC<BR>'02 337 1.8T<BR>'00 GTI VR6<BR>'97 Golf =
GL</FONT></DIV>
<BLOCKQUOTE=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV=20
style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
<A title=3Djtoomasson@yahoo.com =
href=3D"mailto:jtoomasson@yahoo.com";>Jeff=20
Toomasson</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=3Dscirocco-l@scirocco.org=20
href=3D"mailto:scirocco-l@scirocco.org";>scirocco-l@scirocco.org</A> =
</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Tuesday, April 01, 2003 =
9:17=20
PM</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Subject:</B> can head bolts be =
"tightened"=20
mid-use?</DIV>
<DIV><BR></DIV>
<P>I was just looking at my 9a sitting in my garage and it got pretty =
cruddy=20
over 1.5 years it was in my car. I have a sneaking suspicion part of =
that crud=20
came from the head gasket area. I used the ABA gasket and it ran great =
when I=20
took it out so I don't think I blew anything, but I was wondering =
if=20
there was any way I could "adjust" the headbolts to make sure. Maybe =
just to=20
make sure they're on torque or even maybe give 'em a hair =
tighter?? =20
Any thoughts?</P>
<P>TIA, JT</P>
<P><BR>
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