C beam sealant/ adhesive?
Racer
Joined: Jan 2005
Posts: 476
Likes: 0
From: Tucson, AZ. L98-85 AUTO COUPE: 120k MILES: daily driver. SOUND OFF IF YOU'VE BEEN THERE. Ex-Jumpin' Junky-82nd Airborne-2/505 PIR: 1st ID-1/16th Inf: Recon Marine Retread. GOD BLESS GRUNTS.
this question was raised a little while ago. the most logical opinion was that the sealant was to stop water intrusion into the bolt cavity and rusting the bolt. i believe it became clear that normal rtv would be adequate. but i have to agree with the liquid nails post. when i broke my beam loose-117k miles-to put in a new tranny, the crap that was on there most closely resembled liquid nails and held like it too. the stuff probably had a two-fold mission: seal the hole and prevent movement. that being said, proper torquing and rtv on the top has covered both issues for me as far as i can tell. if i had to do it again and was sure i wouldn't have to pull it off again anytime soon, i would probably go the liquid nails route.
do a search.
frog.
do a search.
frog.
Last edited by parafrog; Feb 26, 2006 at 10:30 PM.
Le Mans Master
Joined: Jul 2001
Posts: 6,252
Likes: 2
From: Silicon Valley Kalifornia
Also, you don't want corrosion starting between C beam and trans or diff. If you live where they salt the roads in winter this may be an issue.
Its easy but messy to do. I usually use grey silicone (seems easier to clean up), and I don't even live where they salt the roads.
Its easy but messy to do. I usually use grey silicone (seems easier to clean up), and I don't even live where they salt the roads.
Last edited by GRX; Feb 27, 2006 at 09:29 AM.
Burning Brakes
Joined: Aug 2000
Posts: 984
Likes: 1
From: Cincinnati OH
I believe the official GM sealant you get from the dealer is just a tube of windshield adhesive. But seems like anything works fine, or just nothing at all. I used the windshield adhesive, but just because I'm paranoid.
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Thread Starter
Melting Slicks
Joined: Jul 2000
Posts: 2,107
Likes: 14
From: Lancaster PA
I would think that urethane windshield sealant or liquid nails would be very difficult to take apart in the future. If the purpose of the sealant is for corrosion I think I will go with silicone. Thanks guys
