Are there different rear windows from 73-75 and 76-87??

cali74shorty

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I purchased a rear window glass from LMC for my 74 c10. They had two options for windows, one for a 73-75 and 76-87. So I bought the window and rubber for my year. I tried and tried to get it to install but it seemed too the window was too big and would not fully seat in the truck.

Am I missing something obvious here? I thought all the window sizes were the same. So why sell windows for different years?
Any help or ideas would be appreciated.
Thanks!
 

BKING33

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According to the GM catalog they should be the same from 74-88. There is something diff about a 73 glass. I think it's the molding.
There is 2 diff moldings, 1 with chrome and 1 w/o chrome reveal strip
 

cali74shorty

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Do you happen to know of a place to buy a back glass that will work for my 74? I haven’t been able to find any info and LMC will not get back to me.
 

Bextreme04

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Do you happen to know of a place to buy a back glass that will work for my 74? I haven’t been able to find any info and LMC will not get back to me.

Did you buy the installation tools as well? The little hook tool with the ball on the end and the rope installation tool are gold for this. The window should fit VERY tight and is an absolute nightmare to install without the right tools and a second set of hands. If you can get a local glass shop to install it for $100 or less you will be money ahead in my book.
 

Corvette Ed

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Are you using anything to “lube” the glass/rubber?
 

Grit dog

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Not to hijack OPs thread, but first attempt at removing the back window out of the 86 was not productive.
It’s far tighter than the windshield which came out easily.
Need to hit it with some soap water and an extra set of hands, but other tricks?
 

BKING33

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I've removed lots of glass over the years stripping trucks for parts. I've never successfully installed a windshield or backglass myself. I just have local glass shop install after destroying several. Lube is definitely needed for removal and install.
 

Raider L

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I concur on using a glass shop. When I had my front windshield replaced the guy had the right tools and he did it by himself. My truck is a '74 C10 "Custom Deluxe" with the chrome reveal. He brought it with him. I didn't even think about it myself until I saw he had it. It looked great when done right.
 

Raider L

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I concur on getting the glass replaced by a shop. I had my front glass replaced and the guy had the tools and also brought the chrome reveal which I hadn't even thought about. He did all of it by himself and it looked real good when he was finished. New seal and that chrome strip in the middle, 'cause mine looked bad.
 

squarelyfe

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About replacing the rear glass.. if the seal sucks and you plan to replace it & want to remove the glass in under 5 minutes just take a razor to the rubber surround on one side. If alone, it also helps to have one of those cheap suction cup handles to hold the glass if trying to save the org. The rear glass is much easier to replace it than the windshield imo. I swapped the slider out for a solid piece of glass. It's quieter and can't break into it. Did you put the seal around by the glass first or did you put the seal into the frame and then try to install the glass?
 

Jacob Miller

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The rear window is a pain to seat on your own, with suction cups and the rope tool it took two nights to get mine to fully seat. Take your time, use some form of lube and don’t give up.
 

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