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Engine comp insulation glue ?

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Old 09-01-2012, 11:35 AM
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dp2boy
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Default Engine comp insulation glue ?

Any ideas as to what glue I should use to hold the rubber engine compartment insulation (directly above the motor) glued to the body ?
Old 09-01-2012, 11:55 AM
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flyingchappy
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Just did mine. Searched the forum and came up with Pliobond 25. Found at any good hardware store. ACE is where I found it. The cap brush is useless, I used some disposable transfer pipettes to apply. Need to clean the area thoroughly before application.

Last edited by flyingchappy; 09-01-2012 at 12:25 PM.
Old 09-03-2012, 10:39 PM
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eddie_993
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Out of curiosity, are you gluing your old one or did you purchase new insulation?

Mine is in kinda bad shape so I'm thinking of replacing it some day.
Old 09-03-2012, 10:51 PM
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IXLR8
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Originally Posted by dp2boy
Any ideas as to what glue I should use to hold the rubber engine compartment insulation (directly above the motor) glued to the body ?
3M Super Trim Adhesive. From the 3M site...

A high performance aerosol contact adhesive.

Designed for bonding vinyl tops, heavyweight liners and hood silencer pads where high strength and heat resistance are needed.
Old 09-04-2012, 12:07 PM
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mike cap
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Use Pliobond. 3M will not take the heat and will get loose and sticky. If it's just coming down at the edges you can peel it back and use a battery brush to apply the Pliobond. I cut pieces of cardboard and wedged them in against the engine intake to hold the pad and fresh adhesive in place. Worked great.
Old 09-04-2012, 12:17 PM
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IXLR8
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Originally Posted by mike cap
3M will not take the heat and will get loose and sticky.
Mike, is that based on personal experience by using that particular product. 3M does claim its good for "hood silencer pads and heat".

I ask because I bought a can with the intent on using it to glue the loose edge of my sunroof panel liner, and in the future, a new engine compartment pad.
Old 09-04-2012, 01:31 PM
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mike cap
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Alex,

Pliobond is the better product in this application. It is really tough stuff. We used to use the 3M adhesive in electric motor applications for the internal sound pads on large motors. It just didn't work like the Pliobond. I think it is also easier to apply and doesn't 'string out' like the 3M does.

My only concern with Pliobond is EVER having to get something apart after it's cured. It's so tough that only MEK will touch it.
Old 09-04-2012, 01:40 PM
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TheBen
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I used Pliobond too and it has held up pretty well so far since I did it over a year ago
Old 09-04-2012, 02:01 PM
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dp2boy
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Thanks guys, I'm re-gluing the old insulation. It's just sagging in places. Looks like Pliobond is the way to go.
Old 09-04-2012, 02:44 PM
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IXLR8
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Originally Posted by mike cap
My only concern with Pliobond is EVER having to get something apart after it's cured. It's so tough that only MEK will touch it.
Since I already have a can, when the time comes I'll experiment with the 3M and put a sample in the oven. I'll also try to remove the product with various solutions. I think MEK would remove the paint...not sure.

Would you say it is OK to use on the sunroof panel liner?

I bought the product based on a call to 3M's tech line. Go figure!
Old 09-04-2012, 03:36 PM
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mike cap
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Surprisingly MEK has no effect on modern urethane
paints like Imron. I don't think I'd ever get it near a
lacquer or straight enamel paint though. We've used MEK
many times to remove weatherstripping adhesive from
aircraft painted surfaces with no ill effect.

I'd use the Pliobond for the sunroof liner. It is a really great
industrial adhesive and more durable than the 3M product in
my experience. Sometimes I think the plane is held together
with Pliobond, Velcro and sheet metal screws.
Old 09-04-2012, 03:39 PM
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mike cap
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Originally Posted by dp2boy
Thanks guys, I'm re-gluing the old insulation. It's just sagging in places. Looks like Pliobond is the way to go.
Use the cut cardboard wedge trick to hold it in place while
the adhesive dries. The battery brushes will allow you
to poke the adhesive about 6" in. Use a lot of adhesive
without making a mess and give it 5 minutes to get tacky
before wedging the insulation back in place.
Old 09-04-2012, 08:43 PM
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jakfrost
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Mike...what is a 'battery brush' and where did you buy it? Most any automotive store? If I walk into the local Canadian Tire and ask for the 'battery brush' dept I'm guessing I'll get the usual blank stare from the draggin jeans teenager sales clerk :-).

Jim
Old 09-04-2012, 08:56 PM
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x50type
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If all else fails.......

Last edited by x50type; 11-10-2012 at 10:25 AM.
Old 09-04-2012, 09:52 PM
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Slow Guy
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I just removed the sound pad when I replaced the clutch. Even though it didn't add much w/out the pad I like the sound of my engine.

Also, it gives me a little more room to work back there when the engine is in.


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