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Resealing the Windshields (all 4) on an H3
Our H3 chassis was built in Aug 1990. All 4 windshields are leaking. I want to order the necessary seals, etc. and have someone local remove and reinstall them. Has anyone had experience with this? I want to make sure I get the right parts. Also, Prevost sells special tools. Do I need these, or will a glass installer have what’s needed? Thanks, Bruce
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4 Replies
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The only tools needed are a plastic “knife” to work the windshield gasket around the glass when installing it and a tool that inserts the “cord” by inserting the cord through the tool and than drawing the tool along the groove the cord goes into to lock the glass in place.
Since yours is a two piece windshield (actually 4) the sections are relatively small and light. This is something you can do yourself. We have replaced windshields at rallies as a demonstration by owners that never replaced one previously. 1/2 hour to 3/4 hour each. We never use sealant.
Any glass installer can also do it, but don’t let them seal the glass in place. Broken windshields are common.
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Hi Bruce,
I have a copy of a service document somewhere that indicated Prevost did recommend a specific caulk/sealant for our vintage of coach due to leaks. I will try to look it up and get you a copy. Just as a note, I have not used the sealant and do not have any leaks, but did have leaks until I replaced the clearance lights and sealed around them. The problem is trying to find where the leak is coming from.
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I had issues with the driver’s w/s on my 1999 leaking until sealed. I don’t recall any such issues on my 1989.
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Bruce,
If I were you, I would pull the cord on a small window and pull the outside lip back and see if there is sealant clumps in the rubber seal used on the windows. If there is, which is probably the case, then pull the glass and clean all the sealant off. You might think it’s easier to just buy new windows and rubber seals but it comes off. Do one and the next three will be a lot easier.
On my 86 chassis the rubber was starting to break down, i.e. the lip of the seal was seperating in an area on the outside portion in a 8 inch area, (they were 20 years old), so I bought new rubber seals and filler strips back in 07 or 08
I have always put my own glass in our bus since 1998 and have never used any kind of sealant and they have never leaked. A good rubber seal and filler strip will seal the glass up just fine.
I you need help getting the tools let me know.
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