Big Window Install for 60-66 GMC/C10

[Music] hey guys welcome back we just finished putting our big back window kit from classic parks in this 66 GMC now we're going to show you how to install the glass so when we start to test this back glass we're going to approach this probably a little bit different than a lot of people do mainly because I don't want to break the glass this we're putting in some real glass here we got it from classic parts of America and we've got a rubber gasket just a original style gasket with a lock bead in it you know that's gonna be pretty standard installation touched up it's not that hard to do if you have the right tools we'll show you the the correct tool for installing the bead and everything but instead of so one of the reasons why I won't the glass just go right in you might be asking well it might but I doubt it will right now because we've modified the back of this cab and so it used to be a small window cab and now we've used the inner panel from classic parts turn it into a big window cab and you know when you do that it when you weld this in this seam the distance from here to here needs to be like right on the money in order for the glass to fit without breaking it during install if this if the glass is too tight within here and within the width and in the corners and everything and you try and force the glass in with the thickness of the rubber it's going to want to give and like break the glass so what we need to do and we still have the opportunity to do this is we need to test fit something else in here instead of the glass so we're going to try some wood or some some luan some real thin plywood type stuff that's going to be basically a throwaway piece we're going to trace the glass to the wood trim it exactly the same shape as the glass and then install the piece of wood with the gasket or try to and then that'll tell us whether or not we need to grind some of this flange away if the wood goes in the first time without any app you know minimal effort well then we should be able to just put the glass in with no problems but unless you guys like breaking glass and buying more of glass I would suggest doing this type of thing now if this was already a regular big back window cab it shouldn't be an issue the glass can be every piece of glass is gonna be a little bit different you know it's it's custom cut or whatever and the edges get sanded and so our guarantee there's no two pieces of glass that are exactly the same so having a different glass and the big back window opening you know being retrofitted by us we want to make sure that it doesn't break so this is the flange that we might have to trim down after test-fitting the glass or test-fitting the wood so we left this long right now because we don't want it too short you don't want to grind that down too short because then there won't be enough for the gasket to hang on to but you don't want it too long because if you force the glass in it'll break alright next step is we're going to transfer the shape of the glass onto our wood here's some of the things that we're going to need to install this glass we've got the black gasket this is just the standard gasket you can get one that also has a chrome lock bead in it for kind of a more deluxe look this is the standard black lock beat and so you can get all this stuff from classic parts of America the glass the gasket and the install tool so this is a tool that's specifically for installing this type of a gasket and then we've got the jigsaw setup here that we're going to use to cut out the wood now we're gonna trace around the glass onto the wood with a fine point sharpie marker I want this to be a real accurate mark and a real accurate cut once we cut it so I don't know if you can see that right there on the camera but you see how the the marker line got kind of Wiggly right there that's because the glass is Wiggly that's what I'm talking about like this glass is not perfect I think sometimes you people assume that because you bought a really nice piece of glass you assume that it's gonna be perfect but you gotta keep in mind like especially flat glass like this this was probably just cut hand and ground by hand on a grinder by by a production shop somewhere so you know they're just making it fit a template as close as as good as they can but they're not actually test fitting it in a truck we have to basically compensate for those inconsistencies and so here's another thing so here I'll show you here so when I say accurate so you notice how the marker is kind of at an angle right down in the crux of that glass this is what you here's what you don't want to do you don't want to trace it like that you see how much bigger that piece of wood just got when I did that that's a lot I mean it only looks like about 1/16 of an inch but if you make it a sixteenth of an inch too big all the way around I guarantee you it will not fit the truck and you will either cut too much of the flange off or you're gonna break the glass so that's what I mean when I say this needs to be right okay so we've traced that all the way around well notice how I lined it up on this bottom edge with with the edge of the wood so I didn't trace the bottom edge because I just I lined that up flush so that I'd that's less work that I have to do so now we just have to cut this side this side and the top sand it real smooth and then we can test fit it with our gasket we're going to be using a jig saw it's kind of a slow start feature to it [Music] that's right close never hit a block on it now okay we've got the piece of wood rough cut out now we're going to clamp it to this bench so that we can use sanding block and go over it and fine-tune the edge so we've got it pretty close with the 20 inch grinder and now I want to sand it by hand and really creep up on it and then get rid of any splinters and we're gonna also kind of bevel the edges a little bit just so that it kind of replicates the edge of the glass okay so this is this 80 grit this is just like body shop paper it'll be fine for what we're doing here I'm just gonna sand until my marker line just barely goes away so make the edge real nice and straight and smooth so we can put in got it all cut and sanded basically it's an exact copy of the piece of glass we're going to be using now it's a couple of options that we have in a worst case scenario what we want to avoid is having to cut the glass if anything we want to trim the flange down not the glass the way we're gonna find that out is we're gonna test-fit this piece of wood using the gasket and if it's really hard to put in then we're gonna have to trim something which hopefully is the flange we are ready to install a gasket on our wood mock-up so a couple of things you need to check out here is the end profile this gas you need to understand how this gasket works cuz if you've never done this before it can be a little intimidating especially working with a piece of glass that you don't want to break but really it's not that hard if you understand what you're doing here it's not that big of a deal so here zoom in on this so I was gonna show you the this thicker part the thicker slot here is the one that goes over the glass okay and then the thinner one the thinner slot up here is the one that goes over the pinch weld on the truck and then this little triangle looking slot that's where the lock bead goes so but we do have to do this in certain stages so the lock bead goes in there and you can see what it does is it squeezes this tight and it squeezes that tight that's what we want but that goes in last okay so right now the first step you do on this particular type of gasket okay some cars are different some classic cars require you putting the gasket on the car first some of them require you put it on the glass first this back glass is a little different because of the shape of the gasket we need to put the gasket on the truck first and then we're gonna install the glass a little bit at a time into the gasket and we're gonna mainly be using a hook tool maybe a little plastic pry bar here let's try that out put the gasket on first okay the lock bead needs to go facing out okay so for for test fitting purposes we're just gonna kind of get close to where Center is in the end we'll make a mark of exactly where Center is but we're gonna be taking this in and out a couple of times so this is our initial test fit okay we're gonna use a little bit of carnauba wax to lubricate this seam a little bit cuz that gaskets fighting me so I have no idea if this is exact you know this is the legit way to do this but this is the legit way we're doing it so glass guys probably got another trick from my glass guy [Music] okay obviously you can see the gas there's a little bit long so we're gonna go right now we're just going to rough cut it because if we ended up having to trim that gasket bigger or I'm sorry if we end up having to trim the flange bigger we're going to need a longer gasket because it's going to be more circumference so we're just going to trim it a little bit long and we're gonna kind of horse it in there right now just so we can put the glass in and then later if we need to trim off a little bit with the trim it back down again right now I just wanna get this out of the way now see here how we've got a little bit his guests overlapping force that and now what that's going to do is because there's extra length on there it's going to force everything to stay tight on the truck okay now you can see that our that's where our lock beat goes in that groove right there and see what it does is it when you put that in there it pinches the glass okay so let's try and get that piece of wood in here so we're gonna first start by inserting the top of the glass up into there as good as you can are you gotta keep in mind this is you got to pretend like this is a piece of glass because there's certain things you can't do with glass like you can bend this piece of wood but you can't bend a piece of glass so so now you see how I've got it started all the way around the top but the bottom won't go in so now I'm gonna use a hook tool like this it you know it's kind of pointy but it's actually pretty dull they make ones that are specific for glass that has a little ball on the end but I don't have one of those so we're just going to use this it works fine you just gotta be careful and we're gonna hook it right there and we're gonna keep pressure on the glass and we want to just kind of work that into there basically what we're trying to do is pull the gasket out like that see that can we give you a shot of that see how as the gasket goes out the glass falls in there okay and then you can kind of just tap the glass you can do that on the glass too to a certain degree okay your tool comes out just try it again just keep working that in there so you might have to go over to the other side at this point I'm kind of pushing up on the glass too I want it to go up inside that Gatsby I'll call it glass it's wood pretending that it's glass okay these corners are probably gonna be the hardest to get in and this is where it's gonna be likely to break now let's get this bottom edge out we're not gonna get it all the way in this first hit but we just want to try to get it flipped out so that it's easier to go in there make sure it doesn't pop out anywhere and might if it won't go in there right now it might be telling us you can see how tight how bound up that gasket is in the corner you know it should look more like this and that's all bunched up right there we gotta we gotta trim some of that flange in that corner this bottom edge is looking like it's probably okay until we get over here now it's getting a little harder you didn't want to go in from like there to there so which basically if you remember what our gasket or what our flange look like sorry do you remember what our flange look like it was a little taller over here and so I think that's what we need to do we just need to trim the bottom a little bit and then trim these corners and then try it again okay so that confirmed it we do need to trim down this flange a little bit more mainly right in through here and then the bottom corner so you can actually see it right here see how this this plan just kind of short right there and then it gets taller over here and that's exactly where the glass wouldn't go in so what we're gonna do is we're gonna try and make a consistent mark on this lower edge so that we know where to trim too so how do you do that well I just put wax on there so you're not gonna get tape to stick to it so I've got a fine point sharpie and what am i do is basically pick that low spot right there and I'm resting the marker right on this body line and now I'm just gonna trace it like this see how it makes a consistent line so what you don't want to do is you don't want to do this number with the marker because it makes a squiggly line so whatever angle you pick just keep that same angle and ride it right along the body see I changed my angle there we go nice and steady even around the corner you want to make sure that it stays consistent right up into there so the side was okay so that's how much we need to trim on the bottom okay we're gonna use a couple of air tools here to grind that lower flange down we've got a carbide bit on a die grinder 50 grit abrasive disc on one of our 3d printed backer pads we sell these that you can get them on our website hammer fab comm and we are using the Jag ten abrasives here they're really good let's get the corners first [Music] okay we got the flange ground down we're going to test fit the wood one more time hopefully one more time first install the gasket all right see that see how remember last time we left the gasket long and this time we trim the flange down so you think the gasket would be short now right or the right length well you can kind of get away with stretching and compressing this gasket a little bit but I'm glad that it's still a little bit long because that means once it's really stretched out it's probably going to be just about right you want to install it the same way every time so I'm pretty sure I had this sticker out last time because it might be different side to side your glass might be different side to side too so you want to every time you test it test it the same direction Wow good thing that wasn't a piece of glass you need to get somebody to help you there the bottom fell in okay now that's hopefully these corners go in now look at that fill right in okay see we didn't have to beat on it too much still a little tight in that corner so I'm dragging the tool through the lock bead slot and it gets tighter right there in that corner I can feel it now it loosens up so easy it drags easy there and then it's it gets tighter right there and then gets easy again so on our last time I've taken this out we're going to clearance that corner just a little bit more we're going to clearance that corner a little bit more we're going to clearance that one more and this this one more this one doesn't need much it's not real hard to drag that through there but we'll do a little bit there a little bit there and then the most and that one that's how you tune the back window anything you do this custom it's going to have to have some you're gonna have to tune it don't just expect it to fall in there you know every time you change one thing which we change the big back window it's not the big back windows fault it's not the aftermarket parts fault it's not the glasses fault it's just that's what has to happen you have to tune it otherwise you're just gonna find out the hard way and break a whole bunch of pieces of glass so just take your time do something like this you can tune it really nice put your glass in once all right it's time to put the glass in we got to be real careful with it we don't want to force it in anywhere I'm going to put a little bit of wax around the inside of the gasket and on the outer edge of the glass some guys use soapy water but I don't want to make that big of a mess right now so we're just gonna put a little bit of carnauba wax in there that rubbers kind of sticky so we we just want to basically get rid of some of the stickiness of it okay you ready all right so what are you doing there we're going to wipe a little bit of carnauba wax on the edge yeah kind of like pinch it and go like strata straddle it all the way around yeah all right that's probably good okay now I've got my hook tool okay you ready okay just like with the wood we want to get the top started first just whatever you do just make sure it stays up in there that's okay we're gonna try it that way okay okay we've got the top seated all the way so Eric I need you to just maintain steady pressure doesn't need to be aggressive just steady up pressure and then once we start working this in down here just steady in pressure okay I'm gonna start this side okay that's going in real nice okay you want to switch me sides just keep steady and just real light pressure inward if it breaks don't try and catch it boom there went it's in I got the glass in they'll just they'll write in just like almost like it was a plan so if you want you can kind of go back around those corners a little bit there's still a little tight right there and that'll just kind of help equalize it all the way around you know if it's kind of shifted one way or the other that'll kind of help make it a little more relaxed in the opening like that okay now we can install the the lock bead all the way around on the outside okay so this is the lock bead it goes on the outside of the truck make sure you get your gasket on the correct direction and then this is a special tool specifically for installing lock beads on glass so what you want to do is probably use a little bit of we'll put some wax down in there first just like we did everything else that's going to help everything go smoother well wax this up and then what you do is you thread this through there like that and then you get it started supposed to spread the gasket like that maybe I'm doing it the wrong direction let's see here there we go there we go I was doing it the wrong direction it's a lot easier see how nicely it puts that lock beat in there so just make sure your tool doesn't jump out of there like it did on me remember you don't want to force this too much you could still break the glass by forcing everything so just take your time let it do its thing you could use some soapy water at this point if you want I'll just make sure when you come around this corner that your tool doesn't dig into your paint you could really easily take off some paint right here so if you want you could tape tape up the body with some masking tape or something just to make sure you don't accidentally wreck your paint job take your time in this corner see I just took off a chunk of paint right there good thing it's a patina paint job [Laughter] [Laughter] alright now we got the lock beat installed all the way around and there again it's a little bit long so I'm going to cut it so that it's still a little bit long and then when I install this on the final time later on all final trim it there it goes that's how that seam should look in the end real nice and tight all right well there it is guys we got the window installed in the back of our GMC I've got the glass some classic parts along with the window gasket and the inner big back window panel now after doing this you know this is the first time I've done this first time I've used one of their panels and it's a really nice panel and the opening I've come to the conclusion that the opening for the glass is probably right on the money the only thing I would suggest is that you guys make sure you get the back of the cab really straight with a some kind of a brace or a piece of tubing like in our other video so if you go watch our video on how we install the big back window conversion panel we show you how to do that we'll show you how to keep this straight because this part gets kind of flimsy once you cut the structure out but overall I'd say you know the glass is good we didn't we didn't modify the glass we did trim our flange on the cab down a little bit on the corners and along the bottom but that's mainly because we left the cab long to begin with just to make sure because we didn't you don't want the flange to be too short and then the glass not fit at all so main thing is get the back of your cab nice and straight and the glass will go in good so if you guys like this video please check out our other videos on how to install the big back window conversion panel on the inside like our video give us a share down below subscribe ring the bell do all that stuff and go to hammer fab comm just do it all thank you for watching our latest video if you guys would like to see more what we have to offer here at hammer fab such as our dimple dies our bead roller dies our assembly hammers and everything else fabricated related go to hammer fab calm thanks for watching

Channel: Hammer Fab

Views: 6,583

Rating: 4.9565215 out of 5

Keywords: c10, gmc, classicparts, hammerfab, bigbackwindow, bbwconversion, howto, install, glass, automotiveglass

Id: TyfVhbXwS24

Length: 36min 4sec (2164 seconds)

Published: Thu Apr 30 2020