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5/7/09 12:54am - Original Message: 'Rear window install'
flemgunner
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Scott, LA - USA

Vette(s):
77 L82 coupe

Joined: 2/26/2004
Posts: 303
Well got my new (old) vett (pix to follow tomorrow) Anywho I need to install the rear window on it so I have a question. What kind of sealant do I use for this? I know I need the gasket thing but I dont have a clue what type of sealant to use. BTW its a 75
Thanx


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5/7/09 7:41am - Reply: 'Rear window install'
gurtz
Former Member
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baton rouge, LA - USA

Vette(s):
1981 dark metallic blue, dark doeskin leather interior, mirrored glass T Tops, 330hp/350ci GMPP crate engine, billeted aluminum serpentine system, Dewitts with dual spalls

Joined: 8/12/2006
Posts: 391
More than likely it is a 3M product and you should call the local paint supply houses, most of them probably sell the adhesives as many paint projects require r&r the glass. 
 
It should be caulk tube grade 10 oz.  Be careful how much and where you put it on the surface, meaning follow the directions on the tube as the sealant can ooze out onto your interior components and if you ever have to remove something, you might have to cut the sealant loose to get the part out without breaking the part or cutting through the sealant creating a leak.   A Local glass guy down here did me that favor, but I got everything out without breaking the part and creating a leak, but it was testy as the interior parts totaled $340.00 if needing replacement. 
 
You also have the vertical window I believe, so your's might be tough.  I would ask the supply house and probably also get a quote from the glass guys.  It might be better letting the glass guy do it, as I think you will have to shim the glass, caulking it in sections after removing specific shims, and you would be paying for the sealant, probably under $10.00 plus a hour of their time and if it leaks, it is on them!
 
good luck


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5/7/09 10:10am - Reply: 'Rear window install'
rraider1
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Woodland, WA - USA

Vette(s):
1977 T-Top,350,Auto Black Ruby Pearl,Steeroids R&P conversion

Joined: 10/14/2003
Posts: 1152
I just resealed my rear window on my 77, I used this ZET-397   21.95   73-77 REAR WINDOW SEAL KIT from Zip you will notice on the bottom and article on how to do it
http://www.zip-corvette.com/Corvette_Early/productr.asp?pf%5Fid=ZET%2D397&gift=False&HSLB=False&mscssid=03F0667A3F4D0473F92725A5941BF6C7

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Bob R
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5/7/09 10:54am - Reply: 'Rear window install'
flemgunner
Former Member
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Scott, LA - USA

Vette(s):
77 L82 coupe

Joined: 2/26/2004
Posts: 303
Cool thanx much 

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5/7/09 1:14pm - Reply: 'Rear window install'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19449
That Zip kit is correct, except it doesn't have any sealer...just the rope seal, which is definitely needed. You'll also need a tube(caulking type) of a Urethane sealer. It's similar to silicon, but the urethane won't absorb moisture.
If you just use the rope seal by itself, chances are the winder will leak...maybe not today, maybe not tomorrow, but it will leak.


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Joel Adams
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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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5/7/09 6:35pm - Reply: 'Rear window install'
rraider1
Former Member
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Woodland, WA - USA

Vette(s):
1977 T-Top,350,Auto Black Ruby Pearl,Steeroids R&P conversion

Joined: 10/14/2003
Posts: 1152
The zip kit came with the primer, a cutting cable, 2 rubber blocks to support the window and the seal. Joel if I understand what you are suggesting, is you still need to put the Uretane sealer around the window on the outside to completely seal the windw. I am asking because I just did my rear window with the kit and was wondering if it needed more around the window on the outside.

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Bob R
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5/7/09 11:10pm - Reply: 'Rear window install'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19449
That's exactly right, Bob. With just the rope seal, water will puddle in the small space between the glass and the body back there, and it will eventually leak into the rear compartment. With a new seal, and a fresh install, it'll be ok for a while, but once the body starts flexing around while you drive, the seal will start to work loose, and then you get water intrusion. A bead of the urethane sealer around the glass on the outside, to fill the gap, will keep that from happening, and the urethane will last a long time with no problems.
hth

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Joel Adams
C3VR Lifetime Member #56    
My Link


(click for Texas-sized view!)
             NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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5/7/09 11:16pm - Reply: 'Rear window install'
rraider1
Former Member
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Woodland, WA - USA

Vette(s):
1977 T-Top,350,Auto Black Ruby Pearl,Steeroids R&P conversion

Joined: 10/14/2003
Posts: 1152
Sounds good I saw what you are talking about around the window, I am clad you mentioned it I was going to use silicon, I will get a tube of urathane to seal it thanks for the info

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Bob R
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5/8/09 9:49pm - Reply: 'Rear window install'
dskopp
Former Member
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Oak Creek, WI - USA

Vette(s):
1981 Great White Shark. Red Interior, 350/190hp. PS, PB (SS), A/C CC, T-Tops, Going to remain as Stock as possible. Served three years in Active Duty Army, then Retired Air Force after 34 years! Badger State Vetts Car Club. 175,000 Original miles!!

Joined: 5/21/2008
Posts: 1956
I have just read on the Corvette Action Center Website, an article about this subject.  I do not know how to put a link to the article, here.  Perhaps it will help you
DanSmile


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5/9/09 9:04am - Reply: 'Rear window install'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19449
I checked the AIM, just for grins, and it shows an engineering change dated 8-24-73 that dis-continues the use of the urethane sealer around the rear glass, leaving only the butyl rubber rope seal to stick/seal the glass to the frame, at least for the '74 models. I do know my late build '74 had the sealer on it....may have been put on by the dealer, or the original owner. I still wouldn't install the glass without the sealer...

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Joel Adams
C3VR Lifetime Member #56    
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(click for Texas-sized view!)
             NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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