[s-cars] Devon FTW was Sunroof switch cover repair... and the winner is? drumroll please....

[brian bilotti]

S-Heads-
 
JB Weld...........It's 168 hours and counting!!
 
Didn't take any chances this time. Got ugly with the Dremel tool and scored the cover and clip surfaces real good, cleaned the surfaces with just with alcohol, thank you JC for the cam/lab don't's, mixed up a batch and went at it.
 
Waited 18hrs and popped it in.
 
Hope this helps any future encounters of the sunroof switch cover kind.
 
bb
--- On Wed, 9/8/10, JC <jc at j2c3.com> wrote:


From: JC <jc at j2c3.com>
Subject: RE: [s-cars] Devon FTW
To: "'brian bilotti'" <vinnieb2 at yahoo.com>, rfeagleye at aol.com, s-car-list at audifans.com
Date: Wednesday, September 8, 2010, 10:49 PM


Not really a great idea in my book to use Brake Cleaner (or Carb Cleaner for
that matter) as a general purpose solvent & cleaner.

First of all until/unless you dig out the MSDS you never know whats in
them... xylene, toluene, naphtha, MEK, cyclohexane...etc. etc. all kinds of
stuff ends up in them... Easily things that can melt different kinds of
plastics.  Let alone things like tetrachloroethylene which can turn into
phosgene gas under shielded-gas welding environments and kill you in short
order.  I prefer to keep a stack of 'pure' solvents on the shelf and try to
determine what's called for in each situation, vs. the ol'  "jes hose that
beyotch down with carb / brake cleaner!" approach where you may not even
know what the heck your spraying on there since each of those is just some
companies "solvent-soup" recipe.

So to the issue at hand... if you used brake cleaner it
 could easily have
softened the plastic and ruined it. Depending on the materials involved,
plastic soaked in a "bad" solvent can easily become unsalvageable. For
instance if that trim piece is ABS, and your brake cleaner had MEK or
Toluene or Benzene (very likely) in it, it might have softened or weakened
the plastic semi-permanently... If it's gone soft and sags over time, it's
likely time to start over with a new part...

Ideally the back of the molded part indicates what its made of (ABS / PP /
PET) and then you can jump on Teh Interwebz and go to any of several good
compatibility charts to see what is OK or not OK. Example:
http://www.camlab.co.uk/sitefiles/RTP_instructions/Plasticomp.pdf

>
> Hey Rob
> Iscratched up both surfaces and used some brake cleaner to
> make sure they were clean. Let it
 dry/cure for ~18


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