1971 Mack Mb400 Recalls

Recalls on record Updated July 2026

The 1971 Mack Mb400 has 1 NHTSA recall campaign affecting an estimated 916 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.

Recall campaigns

SERVICE BRAKES, AIR 71V190000 1971-10-20 916 affected
Defect

MAY 1, 1969 THRU AUG 17, 1971.POSSIBILITY THAT AIR BRAKE PIP ING HAS BEENERRONEOUSLY CONNECTED TO HAND CONTROL VALVE WHICH , WHEN APPLIED, IS TO OPERATESERVICE BRAKES ON REAR AXLE.ER RONEOUS PIPING WILL CAUSE BRAKING TO BE ONFRONT AXLE INSTEADOF REAR AXLE.CONDITION DOES NOT WITH NORMAL FUNCTIONINGOF S ERVICE OR…

Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1971 Mack Mb400 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.