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Old 08-26-2019, 11:00 PM   #1
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Thoughts on bumper gaskets?

My bus came with a thick gasket (about 2" high and 1" thick) screwed into the base of the rear panels and resting on top of the top of the bumper. This was aftermarket (or whatever they call post-purchase mods in the school bus world) not from the factory. As far as I can tell, factory buses never have a gasket like this (it seems normal to have a gap between the bottom of the back and the top of the bumper) and it's only ever done by sellers trying to hide rust.

I'm finishing up rebuilding my rusted-out back corner, so I'm wondering whether I should put a new gasket like this on (it would hide a bit of unevenness in the bottom of the new panels) or do something else, like perhaps a small 1/2" gutter (like what's above the battery hatch).
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Old 08-26-2019, 11:49 PM   #2
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I'm putting mine back on, it cleans up the transition and keeps dirt from cluttering that opening. I made new corners for mine and they are a bit longer than the stock ones and are just missing the bumper, no room to plug that trim in, so I have some cutting to do.
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Old 08-27-2019, 12:04 AM   #3
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I'm putting mine back on, it cleans up the transition and keeps dirt from cluttering that opening. I made new corners for mine and they are a bit longer than the stock ones and are just missing the bumper, no room to plug that trim in, so I have some cutting to do.
Do you know of any place that sells the stock ones? Or wheel well trim, stuff like that?
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Old 08-27-2019, 07:17 AM   #4
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Originally Posted by musigenesis View Post
My bus came with a thick gasket (about 2" high and 1" thick) screwed into the base of the rear panels and resting on top of the top of the bumper. This was aftermarket (or whatever they call post-purchase mods in the school bus world) not from the factory. As far as I can tell, factory buses never have a gasket like this (it seems normal to have a gap between the bottom of the back and the top of the bumper) and it's only ever done by sellers trying to hide rust.

I'm finishing up rebuilding my rusted-out back corner, so I'm wondering whether I should put a new gasket like this on (it would hide a bit of unevenness in the bottom of the new panels) or do something else, like perhaps a small 1/2" gutter (like what's above the battery hatch).
Every IC I've owned or seen came with that lame rubber stuff.
I just rip it out and fill the screw holes. It traps moisture and dirt, contributing to the rear end rust.
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Old 08-27-2019, 08:15 AM   #5
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Every IC I've owned or seen came with that lame rubber stuff.
I just rip it out and fill the screw holes. It traps moisture and dirt, contributing to the rear end rust.
My local school system runs ICs (just like mine only newer) and none of them has the gasket. Are these factory and some people remove them, or are they always aftermarket?

I don't understand the thinking behind the gaskets. When you're stationary, rain will drip off the back and onto the bumper with or without the gaskets, and when you're moving you'll get spray up there with or without the gaskets.
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Old 08-27-2019, 08:41 AM   #6
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Originally Posted by musigenesis View Post
My local school system runs ICs (just like mine only newer) and none of them has the gasket. Are these factory and some people remove them, or are they always aftermarket?

I don't understand the thinking behind the gaskets. When you're stationary, rain will drip off the back and onto the bumper with or without the gaskets, and when you're moving you'll get spray up there with or without the gaskets.
They were just a cheap easy way to fill the little gap as far as I can tell.
IDK if they came on every IC but my Ward, my AmTrans, and my IC all had em.
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