Model year record

2001 MACK DMM

2 recall campaigns on file for this model year. No owner complaints on file.

Recalls

Recall campaignNHTSA 01V389000

Steering: hydraulic power assist: pump

Component
Steering: hydraulic power assist: pump
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
7,500
Reported to NHTSA
2001-12-21
Owners notified
2002-03-22

Defect description

VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH E-TECH ENGINES. A CONDITION EXISTS ON THE AUXILIARY DRIVE SHAFT OF THE E-TECH ENGINE THAT CAUSES THE LOSS OF POWER STEERING ON VEHICLES WHERE THE POWER STEERING PUMP IS MOUNTED OFF THE FRONT OF THE ENGINE.

Safety risk

THIS COULD RESULT IN THE LOSS OF POWER STEERING.

Manufacturer remedy

DEALERS WILL INSPECT THE VEHICLES AND REPLACE THE NUT THAT HOLDS THE GEAR TO THE AUXILIARY DRIVE SHAFT. OWNER NOTIFICATION BEGAN MARCH 22, 2002. 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.

Recall campaignNHTSA 01V189004

Service brakes, air: controls, pedals and linkages

Component
Service brakes, air: controls, pedals and linkages
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
8,268
Reported to NHTSA
2001-08-01
Owners notified
2001-11-16

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 risk

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.

Owner complaints

A complaint is one person's report to a federal agency. It is not a finding.

No complaints recorded for this model year.

Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.