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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Mar 2004 Posts: 71 Member | | Member Joined: Mar 2004 Posts: 71 | Before I started tearing into my 49 1/2 ton, I noticed that there was a hairline crack in the paint on both sides at the base of the windshield pillars (about 1" long from the door jam out). I know this is stress related where the cab parts were welded and then soldered. With the paint off, the cracks are no longer visible but I know the weakness is still there. Will opening the area up into a small "V" and refinishing with a quality filler be good enough? I'm thinking the filler would be more flexible than the solder was.
Thanks | | | | | Joined: Oct 2001 Posts: 3,458 Extreme Gabster | | Extreme Gabster Joined: Oct 2001 Posts: 3,458 | The problem with solder is that once it cracks the crack will propagate. I would think that you would want to re-melt the solder to get rid of the cracks. Solder is actually fairly ductile and shouldn't crack as long as it was heated adequately when it was installed.
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A lone amateur built the Ark. A large group of professionals built the Titanic. | | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | If you are talking about the solder joint area where the lower cowl joins in, you pretty much need to remove the solder with a torch. It comes off pretty easily. I would be wondering why it cracked. It means that the lapp joint underneath has been flexed. | | | | | | Anonymous Unregistered | | Anonymous Unregistered | The stress cracks in the trucks I have seen are not in the solder joint area, they are at the base of the windshield pillar right at the location of the upper crease in the belly band. | | |
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