JamaicaJoe
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Weird. Maybe that corner was too difficult to mate using sheet metal and the plastic plug is simply a joiner?
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Weird. Maybe that corner was too difficult to mate using sheet metal and the plastic plug is simply a joiner?
I recall reading an Expedition Brochure at some point where rollover safety improvements were performed at some model year. They included injecting some closed cell foam into the perimeter roof channels and the pillars A, B,C,D etc. I was going to mention, be careful welding where there is foam.Yeah maybe so. It is kinda weird. I know from Hamfisted that his 2003 does not have that box. My thought was maybe the 2003 was found to be weak there and this supposedly helped. It's plastic inside and sheet metal outside. I really don't know.
Well that would certainly make sense and fits with what I found both on the truck and the description of the part number. Very interesting, thanks for sharing the info on the brochure.I recall reading an Expedition Brochure at some point where rollover safety improvements were performed at some model year. They included injecting some closed cell foam into the perimeter roof channels and the pillars A, B,C,D etc. I was going to mention, be careful welding where there is foam.
Yeah, I have no idea how body shops deal with that risk. You need some sort of flame stop to keep fire from going up the pillar like a chimney.Well I had held onto a good size piece of the foam and after about 2 seconds with a lighter it caught fire. So it's clearly quite flammable. I'll have to be cautious for sure. I always keep a fire extinguisher with me when welding.