One problem related to brake hoses, lines/piping, and fittings has been reported for the 2001 Mazda B-series Truck. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Mazda B-series Truck based on all problems reported for the 2001 B-series Truck.
The frame, suspension, and brake lines rusted through prematurely. The brake lines were replaced all around before 75,000 miles. Before 80,000 miles the truck has been declared non-repairable as the frame and suspension have rusted through at inspection. Truck was lightly used since 2001 and had not hit 80,000. Miles but became unsafe to operate due to rust.