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how to fill a dent - part 2

In Part 1 of this story, you learned how to prepare and fill your automobile’s dent or gouge. Now that the filler is in place and dry, it’s time to finish the job.
Step 4
Sand the filler Wrap the 150-grit sandpaper around a rubber sanding block (or other block of your choice). Sand the entire surface of the repair lightly, using broad, circular strokes, going past the edge of the filler for a smother transition to the surrounding undamaged area. If you see gaps or pits in the filled spot, mix more filler and add it until you’re certain the area is filled. Of course, you’ll have to wait for the new filler to dry again. That’s why this process requires patience. Once you’re sure the filler is nearly smooth, use 220-grit sandpaper on the entire area, continuing to sand until the area feels even and smooth. Remember, you’ll eventually sand away most of the filler and will be left with a filled dent and a smooth area.
Step 5
Glaze the area Apply glaze (or spot) putty directly from the tube to the repair. This product will fill in any tiny impressions remaining in the already sanded filler. Use a flexible plastic spreader to smooth the glaze over the repair. Even though it dries faster than the first putty you used, be sure it’s truly dry before you move to the next step.
Step 6
More sanding Lightly and evenly sand away the spot putty using 400-grit sandpaper until it’s completely flat.
Step 7
Primer time Before you use spray primer to seal and protect your repair, protect the rest of your vehicle by masking off the repair area. Apply a spray primer in light, even coats, avoiding all other areas (including tires). Remember, use light even coats, not one heavy coat of primer.
Step 8
Primer’s last sand After the coat of primer has completely dried, remove the masking tape and paper from around the repair. Spray the repair area and the 400 grit wet/dry sandpaper with water and sand the primer using a back and forth (not circular) motion. Be sure to keep the area and the sandpaper wet as you work. If you see metal, you’ve probably sanded away too much primer and you’ll have to prime and sand again. Be thorough but be careful.
Step 9
Paint Retail spray touchup paint rarely looks good on spot repairs. Use the money you saved on the repair to get a professional paint job. It’s worth every penny.
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