RE: Exhaust manifold-downpipe studs? Replaceable?

["Aaron Ness" <aaron@makuta.com>]

I was in an exhaust shop having some work done, and while I was there, the
guy was removing some studs from another manifold someone brought in.  He
had a Snap-On socket that somehow grips studs (I didn't see what was inside,
and have never had a chance to look at one), and he was hitting them with a
torch and a spray bottle full of water.  He said the steam somehow loosened
them to a point that he could turn them out with his stud extractor, and
that he never uses penetrating fluid.

I know most of us probably don't have access to an acetylene torch (I
typically don't), so penetrating fluid and a propane torch have worked well
for me in the past.  BTW, don't confuse WD-40 with a legitimate penetrating
fluid.  If you can, get your hands on some Kroil <http://www.kanolabs.com>
or PB.

Aaron
'87 528e
'82 Scirocco
'70 Beetle
'82 GPz550


-----Original Message-----
From: owner-scirocco-l@scirocco.org
[mailto:owner-scirocco-l@scirocco.org]On Behalf Of Fry, Larry
Sent: Tuesday, October 30, 2001 9:23 AM
To: Bob & Ann; Victor Farren; mpeters6@rochester.rr.com;
scirocco-l@scirocco.org
Subject: RE: Exhaust manifold-downpipe studs? Replaceable?


In all my years, I have never, ever successfully used an easy-out UNLESS
liberal applications of heat and penetrating oil preceeded their use.  Of
course, if I'd applied the heat/oil BEFORE I tried to remove the bolt/stud,
the need for the easy-out would have been avoided....:)

Try the heat/oil/easy-out first.  Then be prepared to drill and tap,
probably going to the next larger size, since you'll inevitably damage the
original threads.  Good luck and enjoy the ride.

Larry  sandiego16V

-----Original Message-----
From: Bob & Ann [mailto:angus6@socket.net]
Sent: Monday, October 29, 2001 11:36 AM
To: Victor Farren; mpeters6@rochester.rr.com; scirocco-l@scirocco.org
Subject: Re: Exhaust manifold-downpipe studs? Replaceable?


>From my experience with easy-out I would recommend that if you have to go
that way get a set of Hansen easy outs, Their short & hex
headed and I've NEVER seen one break yet,plus they grip better than the long
4 sided ones or the spiral ones
Bob


My experience is that if the easy out breaks while trying to extract frozen
studs, you are screwed.  They are made of a substance
that is impervious to drill bits.  Here is what I would do:
Victor

>>> "Marc Peterson" <mpeters6@rochester.rr.com> 10/29 10:42 AM >>>
I busted all those studs trying to get the old DP off.  Can i just get an
easy-out and screw them out, or will I need to drill them out and retap the
threads?  If so, what size tap?  Help!

Its an 8 valve.

TIA,
Marc


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