C beam adhesive
Burning Brakes
Joined: Dec 2003
Posts: 1,183
Likes: 1
From: MidOhio
I suspect you're talking about the sealer the service manual calls for on the 2 large bolts at each end of the C beam. It's actually a sealer to prevent water from getting into the bolt holes in the housings which can cause severe corrosion and ruin the housings and C beam. I'd ask at a Chevy parts counter-they probably can supply it. Otherwise, I'd probably use butyl rubber caulking compound. It's messy and never totally dries but seals very well. 
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Safety Car
Joined: Apr 2003
Posts: 3,793
Likes: 9
From: VA
Originally Posted by Bigvmaxx
Anybody know what name the C Beam adhesive stuff goes by ? Or where you can buy it ?
Thanks...
Thanks...
Burning Brakes
Joined: Aug 2000
Posts: 984
Likes: 1
From: Cincinnati OH
I did a search a few weeks ago and found a post with the actual brand name and part number of what someone got from the dealer. I think it was basically just urethane windshield adhesive, which is what I ended up using.
Thread Starter
Race Director
Joined: Jul 1999
Posts: 16,282
Likes: 104
From: Sun city CA
Originally Posted by TA
I'm not sure what its called or where you get it, but I can tell you that I've installed two rears on my car and I've never used it.
I put 4.30 gears in recently... also installed Beam Plates... guess what happened ?
The trans started jumping up under throttle... the car vibrates under full throttle... Binding U joints ??? I suspect the front bolts came loose... as in very loose... I wasn't there at the install.. I let a shop where I work occassionally handle it while I was out of town... I should have checked it out myself... hopefully nothing is damaged...
Now you know the rest of the story...
Drifting
Joined: Feb 2004
Posts: 1,485
Likes: 2
From: Champaign, IL
St. Jude Donor '05
Originally Posted by steve9899
Hey does your C-beam have any sort of insulator stuck to the top? I have mine out right now. My shop manual shows a "sound insulator" which covers the top part of the C-beam. Mine doesn't have this.
Drifting
Joined: Nov 2003
Posts: 1,637
Likes: 2
From: Honeoye Ny
The urethane they used on the c-beam is there to prevent the creaking sound you would get under acceleration. Most of us who have exhausts on our cars would never notice but a stocker is quiet enough the GM was getting complaints on the early cars. It also pulls double duty preventing galling between the two aluminum surfaces. windshield adhesive works fine.
Race Director
Joined: Oct 2000
Posts: 14,062
Likes: 1,166
From: N. Alabama
I used liquid nails. I got the tip from a very successful autocrosser. When I R/R'd my clutch, I used the zip products C beam plates and the liquid nails. It got rid of the initial acceleration 'creak' that I had been experiencing.
Safety Car
Joined: Apr 2003
Posts: 3,793
Likes: 9
From: VA
Originally Posted by ToyC4
It's basicly dynamat, mine had it running the length on top but I improved on it by covering the whole beam with dynamat extreme. It kills vibration and cuts down on noise from the drivetrain.
