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-   -   Separating Two Siliconed Pieces (http://www.clubcobra.com/forums/shop-talk/106280-separating-two-siliconed-pieces.html)

RLSIDWELL 08-20-2010 02:15 PM
Separating Two Siliconed Pieces
 
Hi all. I have a cast expansion tank where the top and bottom are siliconed together and I need to separate the two. The silicone is "super stuck" and I don't want to try driving a wedge between the two for fear of damaging one or the other. I tried heating with a propane torch, but that didn't make a difference. If anybody has any ideas I sure would be grateful.

Drive safe.

Rick

ERA Chas 08-20-2010 02:37 PM
Go to the paint store and get a wooden-handled, flat blade scraper, 2" wide or less. Sharpen the edge to a knife point on a stone and work it into the seam. Then push it all around the circumference.
It's my favorite gasket tool.

coosawjack 08-20-2010 02:52 PM
Quote:
Originally Posted by RLSIDWELL (Post 1072930)
Hi all. I have a cast expansion tank where the top and bottom are siliconed together and I need to separate the two. The silicone is "super stuck" and I don't want to try driving a wedge between the two for fear of damaging one or the other. I tried heating with a propane torch, but that didn't make a difference. If anybody has any ideas I sure would be grateful.

Drive safe.

Rick
Rick,

Silicone HATES gasoline......so in a safe place outside just soak it in gas and in will start hollerin' in a matter of minutes........peels off like bad tape!!:eek:

NO SMOKIN' WHILE DOIN' IT!!!:MECOOL:

ItBites 08-20-2010 05:10 PM
Try monofilament fishing line and use it like a bandsaw blade to saw the RTV between the parts

Dwight 08-20-2010 07:36 PM
("Try monofilament fishing line and use it like a bandsaw blade to saw the RTV between the parts")
E Wood


string will work, flax or nylon

Dwight

392cobra 08-20-2010 08:19 PM
Quote:
Originally Posted by Dwight (Post 1073013)
("Try monofilament fishing line and use it like a bandsaw blade to saw the RTV between the parts")
E Wood


string will work, flax or nylon

Dwight
Even Dental Floss works.

twobjshelbys 08-20-2010 09:08 PM
Quote:
Originally Posted by 392cobra (Post 1073023)
Even Dental Floss works.
Dental floss works better than fishing line because it has a texture. Especially the unwaxed stuff.

coosawjack 08-21-2010 03:38 AM
You still have to get it off of the two pieces so a petroleum solvent will still have to be used....kerosene might even work but gasoline is very fast!!:rolleyes:

I removed 30 feet of "silicone seam" from the gunwale of my boat with gasoline....piece of cake!!;)

Silverback51 08-21-2010 05:36 AM
Stick your face between them and Motorboat them.:D


Never mind. I was confused there for a minute.:o

Maurice Johnson 08-21-2010 06:07 AM
Quote:
Originally Posted by Silverback51 (Post 1073071)
Stick your face between them and Motorboat them.:D


Never mind. I was confused there for a minute.:o
Whew!! Thank you Silverback,

For a minute there I panicked that 392 and the crew had lost there youthful mirth. :D :D

Snakebit 08-21-2010 08:45 AM
Soak it in denatured alcohol.


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