Depending on the body type of the attachment may vary.

Below are the procedures to fix the bumpers. Arrows indicate the location of the screws, nuts and latches.

Front bumper

front bumper mounting scheme Chevrolet Avalanche/Tahoe/Suburban (2001-2006)

front bumper mounting scheme Chevrolet Avalanche/Tahoe/Suburban (2001-2006)

front bumper mounting scheme Chevrolet Avalanche/Tahoe/Suburban (2001-2006)

Rear bumper

rear bumper mounting scheme Chevrolet Avalanche/Tahoe/Suburban (2001-2006)

rear bumper mounting scheme Chevrolet Avalanche/Tahoe/Suburban (2001-2006)

rear bumper mounting scheme Chevrolet Avalanche/Tahoe/Suburban (2001-2006)

 

How to remove front and rear bumper Chevrolet Avalanche/Tahoe/Suburban (2006-2013)