Civic L4-1668cc 1.7L SOHC MFI (2003)
2. Filling/Sanding
Apply putty to repair any holes or deep gouges.
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Apply the putty on the damaged area in 2 - 3 steps.
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Glue aluminum tape on the outside of the bumper, and apply putty from the other side of the bumper.
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Remove the aluminum tape after the putty dries, apply putty from the outside, and fill the hole.
Use a special polyester putty and a putty knife.
3. Sanding
Sand the surface evenly, particularly at the area where the PP material and putty meet.
Use a flexible block and #240 - #400 - #600 sandpaper.
4. Air blowing/degreasing
Use alcohol, a tack cloth, and wax and grease remover.
5. Spraying primer surfacer
NOTE: Spray the bumper primer on the area where the PP material was exposed and around the putty.
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Spray the primer surface wider then the putty and painted surfaces of bumper primer.
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Spray 2 - 3 coats to get 20 - 30 microns of thickness.
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Use the 2-component type primer surfacer (gray) and a spray gun.
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Follow the materials manufacturer's instructions.
Drying
NOTE: Take care not to let the heat lamp deform the bumper during the drying process.