There was quite a bit of putty on the cowl vent so I assumed there must be some rust issues. So of course after I removed the putty there were small rust holes all around the cowl vent.
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I was able to use the cowl area off of my parts truck since it had no rust around the cowl vent. So the next step was to remove the rotten area from the cab.
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Then I simply cut out the donor panel and welded it in.
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