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Hello, I have a '93 ext cab that I just put a sliding window in from a '97 F250. Used a new gasket from LMC. Went in easily but have a small problem, it leaks. Not at the seal, but between the slider and the fixed glass. There appears to be a drain hole on both sides in the slider channel, but it goes nowhere. The question is, can I drill a hole in the gasket on the outside to the drain holes and put a small tube in it to cure the problem of water running inside the cab. Oh yes, I was using a hose not rain so it might be that I squirted the water in and there is no problem.
Dumb question but did you install it correctly, not inside out? If you did, fish a wire through the drain hole to see where it goes outside under the gasket before you drill or cut anything. The gasket may be a little wider than the factory gasket and just blocking the outside drain holes.
Are there drain holes in the interior or is it just filling the channel and overflowing into the passenger compartment? Lastly did you spray on an angle and it went between the fixed and moving panels?
On, it's in correctly, made sure of that and yes, I was shooting the water at an angle to the glass. It fills up the channel and overflows, that's why I was wondering about the drain holes, they are in the window( factory) and in the gasket but not through the gasket. It's like they are there but not punched out, does that make any sense?
So the bottom of the gasket should allow water to drain out of the channel? But where does that water go? Doesn't it go between the cab walls, then, or into the cab? Or is there a tube in there somewhere. We're running into the same thing, '95 F250 XLT SuperCab PSD, original slider window as far as we know. Good heavy shot from the garden hose fills the slider channel with water. We eventually get water in the padding that's stuck to the back side of the interior trim panel going across the back of the cab.