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Bumper Repair

Drill a hole of 4-6mm in diameter at the base of the crack in order to release stress

Step 1

Drill a hole of 4-6mm in diameter at the base of the crack in order to release stress and prevent further extension of the crack.

Printable Bumper Repair Process Board

 
Prepare the area around the crack using a 3M Hookit Abrasive Disc P80 or P180

Step 2

Prepare the area around the crack using a 3M Hookit Abrasive Disc P80 (for hard plastics) or P180. Avoid overheating and melting the plastic.

Printable Bumper Repair Process Board

 
Increase the bonding surface by opening out the crack using a 3M Roloc Disc P80

Step 3

Increase the bonding surface by opening out the crack using a 3M Roloc Disc P80. For a crack reaching the edge of the panel, open the end to make a 'V' shape and remove plastic residue with a sharp knife.

Printable Bumper Repair Process Board

 
Clean the area using 3M VHB Surface Cleaner

Step 4

Clean the area using 3M VHB Surface Cleaner or 3M General purpose Adhesive Cleaner 08984 applied with a 3M Professional Panel Wipe 34567.

Printable Bumper Repair Process Board

 
To achieve maximum adhesion use 3M Patch Adhesion Promoter

Step 5

To achieve maximum adhesion use 3M Patch Adhesion Promoter 06396 to the back side of the repair. Allow 5 minutes to dry.

Printable Bumper Repair Process Board

 
Cut the 3M Instant Plastic Repair Patch 05888 to size

Step 6

Cut the 3M Instant Plastic Repair Patch 05888 to size (at least 2-3cm larger than the repair area) and place firmly over the entire crack on the back side of the bumper.

Printable Bumper Repair Process Board

 
Spray Polyolefin Adhesion Promoter 05917

Step 7

Spray Polyolefin Adhesion Promoter 05917 on the front side of the bumper around the cracked area. Allow 10 minutes to dry.

Printable Bumper Repair Process Board

 
Using 3M Applicator 08190 apply 3M Flexible Parts Repair Material

Step 8

Using 3M Applicator 08190 apply 3M Flexible Parts Repair Material 05901 to the cracked area.

Printable Bumper Repair Process Board

Spread and smooth 3M Flexible Parts Repair Material

Step 9

Spread and smooth 3M Flexible Parts Repair Material 05901 into the crack and allow to dry for 20 minutes.

Printable Bumper Repair Process Board

Step 10

Cut excess 3M Instant Plastic Repair Patch 05888 and shape. Sand over the cracked area using 3M Hookit Abrasive Disc P80.

Printable Bumper Repair Process Board


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