| 73 74 polyethylene wheel well repair idea [message #228111] |
Fri, 01 November 2013 19:49  |
74CanyonLands
Messages: 81
Registered: September 2013
Location: Los Angeles
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Hope you all had a happy Halloween!
So being the owner of a 74 CanyonLands I have Polyethylene wheel wells.
In theory they are great but in practice over 40 years not so great. When Airbags go, so goes the top of the wheel wells as the tire bounces up and down against them. I have been looking for a way to repair or replace these for a while mainly for safety. There an't much between the road and the inside of the coach when these are breached.
So I have been searching and here is what I came up with.
A Polyethylene bonding glue call Tap Weld that when mixed is white:
http://www.tapplastics.com/product/repair_products/adhesives_glues_sealants/tap_poly_weld_adhesive/435
An adhesive pigment to make it black:
http://www.tapplastics.com/product/fiberglass/resin_fillers_dyes/tap_super_pigment/49
1/8 inch black polyethylene patch panels as a repair panel:
http://www.amazon.com/Molecular-Weight-Polyethylene-Opaque-Thickness/dp/B0070ZAXUK
The interesting thing about this Glue is if panel is mildly heated with a torch...
I do mean mildly it increases the bonding to better than original. So I plan to cut a few patches for the larger repairs and use glue and fiberglass tape for the small repairs.
I am feeling like this will work, but just in case I am only investing in a small patch first.
I may later on make a mold of the two rears when I can secure a donor and try to make some replacements but that will be Waaaaaaay down the line.
The only other repair back there is to reseal between the well and the plywood. Anybody know what sealer did GMC originally use?
Cheers!
Curt Remington,
74 Canyonlands
Los Angeles, CA
[Updated on: Fri, 01 November 2013 19:51] Report message to a moderator |
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