C 2500 Truck 2WD V8-454 7.4L (1988)
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Remove paint down to bare metal, approximately 1/2", where the front panel fits into the side panel as shown in Figure No. 1.
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Isolate the repair area by draping a drop cloth over the surrounding finished panels and glass to prevent accidental weld splatter.
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To weld the two panels, use a mig welder with 75% argon, 25% CO2 or 100% CO2 shielding gas and E70S3 wire (.035" or .045" diameter).
FIGURE NO. 1
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Weld a 25 mm (1 inch) bead securing the front panel to the side panel (Figure No. 1). It may be necessary to hold these panels together with a "C"
clamp to get a good fit.
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Grind the welds flush.
FIGURE NO. 2