NHTSA vehicle safety data
2001 Mack DM Recalls, Ratings & Complaints
The 2001 Mack DM has 2 NHTSA recall campaigns and 0 owner complaints on file as of October 16, 2026. Recall repairs are usually free at an authorized Mack dealer.
NHTSA recall and complaint data for the 2001 Mack DM. Recall data is refreshed daily from NHTSA.
SERVICE BRAKES, AIR:DRUM
NHTSA #04V258000Reported June 7, 2004 · MACK TRUCKS, INC
Potentially affected: 36 vehicles
Defect description
ON CERTAIN CLASS 8 CHASSIS BUILT WITH HENDRICKSON LIFT AXLES WHICH CONTAINED WEBB BRAKE DRUMS, THE BRAKE DRUMS COULD EXPERIENCE PREMATURE CRACK OF THE BRAKING SURFACE RESULTING IN REDUCTION OR COMPLETE LOSS OF BRAKING ON THAT WHEEL END OR LOSS OF BRAKE DRUM PIECES.
Safety consequence
LOSS OF BRAKING ABILITY COULD RESULT IN A VEHICLE CRASH, POSSIBLY CAUSING INJURIES OR DEATH.
Manufacturer remedy
WEBB WHEEL IS CONDUCTING THE OWNER NOTIFICATION AND REMEDY FOR THIS CAMPAIGN. WEBB WILL NOTIFY CUSTOMERS, INSPECT THE BRAKE DRUMS AND REPLACE ANY DRUMS THAT FAIL INSPECTION. OWNERS SHOULD CONTACT WEBB AT 1-800-633-3256 OR MACK AT 1-610-709-3337.
Notes
CUSTOMERS CAN CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).
SERVICE BRAKES, AIR:CONTROLS, PEDALS AND LINKAGES
NHTSA #01V189004Reported August 1, 2001 · MACK TRUCKS, INCORPORATED
Potentially affected: 8,268 vehicles
Defect description
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH CERTAIN MERITOR-WABCO BRAKE SYSTEM TWO AND FOUR PORT RELAY VALVES. THE VALVE MAY STICK OPEN WHEN A HIGH-PRESSURE APPLICATION IS RELEASED.
Safety consequence
WHEN THE VALVE STICKS OPEN, IT CAN RESULT IN A TOTAL LOSS OF AIR FROM EITHER THE SERVICE OR THE PARK BRAKE SYSTEM. THE DRIVER MAY LOSE BRAKING ABILITY UNDER A SERVICE APPLICATION, POSSIBLY RESULTING IN A VEHICLE CRASH.
Manufacturer remedy
DEALERS WILL REPLACE THESE VALVES. OWNER NOTIFICATION BEGAN NOVEMBER 16, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT MACK AT 1-610-709-3011 OR MERITOR WABCO AT 800-535-5560.
Notes
ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).
Other Mack DM model years
Check your 2001 Mack DM VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Mack DM at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
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