Can anyone guess whats lies beneath? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

minitrail · 08-02-2016, 03:39 PM

Working on my truck..what looked like a previously re-glued antenna button is seemingly a bit more. It seems like the windshield is de-laminating where the wires go in under the gasket. I also see a small crack in the gasket so maybe some water got in? Just wondering if anyone has been through anything similar and can comment on what may lie beneath the gasket. If I remove the gasket and windshield and its a mess under there then I am out of commission for a while because I cant install a new gasket if I have issues. Anyone have any experience or seen one like it?

My plan was to pull the windshield, prep and paint (crudely) the dash area on the inside of the cab (mostly covered by the pad) because it has some surface rust on it which I wont be able to get to once the pad is installed and easier with the windshield out ( it seemingly needs replacing anyway for the antenna issue). Now I am hesitant to remove the windshield. I know I must do it just trying to limit downtime.

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**mongocanfly** · 08-02-2016, 04:53 PM

That windshield may be impossible to get out without breaking and doesnt even look worth trying to save...I would contact a good glass shop and make sure they have one and gaskets in stock before you touch it..then pull it out to do whatever your wanting to do, call them and letem put you a new one in..I know on my truck the glass shop broke 5 windshields before they got one in it..

minitrail · 08-02-2016, 05:00 PM

Yeah I figure saving it was not a possibility I am more concerned about the possibility of rust damage beneath the gasket.

Also are the new windshield as good as the old ones or is it better to pull one from a used truck? I called and they are not real expensive new.

**hatzie** · 08-02-2016, 05:12 PM

Used are likely to be as rough as the one in your truck.

Get the glass with the blue or green shade band.

**mongocanfly** · 08-02-2016, 05:15 PM

I think mine was 150 bucks,, so yeah, cheap enough,,.they ate the cost of the ones they broke..my original windshield looked like new and had never been changed according to the previous owner..but when I removed it for paint it broke,, so even if you found a oem glass chances are it would wind up the same...i would only go with new glass...as far as rust, you'll never know til you get there..just hope for the best and prepare for the worst..mine had a small amount of rust on both bottom corners of the glass under the gasket...it was only surface rust so I removed it quickly with a wire brush on a side grinder..then shot it with primer..

08-02-2016, 03:39 PM	#1
minitrail Registered User Join Date: Jun 2016 Location: Stamford, CT Posts: 52	Can anyone guess whats lies beneath? Working on my truck..what looked like a previously re-glued antenna button is seemingly a bit more. It seems like the windshield is de-laminating where the wires go in under the gasket. I also see a small crack in the gasket so maybe some water got in? Just wondering if anyone has been through anything similar and can comment on what may lie beneath the gasket. If I remove the gasket and windshield and its a mess under there then I am out of commission for a while because I cant install a new gasket if I have issues. Anyone have any experience or seen one like it? My plan was to pull the windshield, prep and paint (crudely) the dash area on the inside of the cab (mostly covered by the pad) because it has some surface rust on it which I wont be able to get to once the pad is installed and easier with the windshield out ( it seemingly needs replacing anyway for the antenna issue). Now I am hesitant to remove the windshield. I know I must do it just trying to limit downtime. [IMG][/IMG]

08-02-2016, 04:53 PM	#2
mongocanfly Post Whore Join Date: May 2015 Location: Alabama Posts: 14,674	Re: Can anyone guess whats lies beneath? That windshield may be impossible to get out without breaking and doesnt even look worth trying to save...I would contact a good glass shop and make sure they have one and gaskets in stock before you touch it..then pull it out to do whatever your wanting to do, call them and letem put you a new one in..I know on my truck the glass shop broke 5 windshields before they got one in it..

08-02-2016, 05:00 PM	#3
minitrail Registered User Join Date: Jun 2016 Location: Stamford, CT Posts: 52	Re: Can anyone guess whats lies beneath? Yeah I figure saving it was not a possibility I am more concerned about the possibility of rust damage beneath the gasket. Also are the new windshield as good as the old ones or is it better to pull one from a used truck? I called and they are not real expensive new.

08-02-2016, 05:12 PM	#4
hatzie Moderator Join Date: Oct 2008 Location: Wentworth, NH Posts: 4,977	Re: Can anyone guess whats lies beneath? Used are likely to be as rough as the one in your truck. Get the glass with the blue or green shade band. __________________ 1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials... 1973-1991 GM Light Truck Service, Unit/Overhaul, Wiring Manuals, Parts Books and Some 1968-1999 GM Service Training textbooks in PDF 1988-1998 GMT400 CK service manual project 1988-1993 GMT400 CK parts books. 1967-1972 GM Light, Medium, & Heavy Truck Service Manuals in PDF Please include at least the year and model in your threads. It'll be easier to answer your questions. And please let us know if and how your repairs were successful.

08-02-2016, 05:15 PM	#5
mongocanfly Post Whore Join Date: May 2015 Location: Alabama Posts: 14,674	Re: Can anyone guess whats lies beneath? I think mine was 150 bucks,, so yeah, cheap enough,,.they ate the cost of the ones they broke..my original windshield looked like new and had never been changed according to the previous owner..but when I removed it for paint it broke,, so even if you found a oem glass chances are it would wind up the same...i would only go with new glass...as far as rust, you'll never know til you get there..just hope for the best and prepare for the worst..mine had a small amount of rust on both bottom corners of the glass under the gasket...it was only surface rust so I removed it quickly with a wire brush on a side grinder..then shot it with primer..



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