Table 1 shows 14 common service brakes related problems of the 2003 Chevrolet Avalanche. The number one most common problem is related to the brake hoses, lines/piping, and fittings (65 problems). The second most common problem is related to the service brakes (17 problems).
I have read NHTSA # 05v37900 and see that addresses the brake problems with brake line that I am having problems where the brake goes to the floor with no warning that is the same as the 2002 that is included in your recall. It appears that the same brake lines were used on the 2003 model. Read details...
Brakes went out with no warning, two different times. On a highway stopping for a red light. Read details...
While driving in normal traffic my son braked the vehicle and the peddle went to the floor. He pulled it home and into our driveway and brake fluid was leaking all over the drive. Turns out the right rear break line burst. Read details...