Model year record

1989 MACK DMM

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

Recalls

Recall campaignNHTSA 94V032000

Vehicle speed control

Component
Vehicle speed control
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
39,777
Reported to NHTSA
1994-02-15
Owners notified
1994-05-27

Defect description

FUEL INJECTION SYSTEM RECONFIGURATION TO COMPLY WITH ENGINE EMISSION STANDARDS CAUSE HIGHER ENGINE VIBRATION LEVELS WHICH LEAD TO EARLY WEAR AND COMPLETE FAILURE OF THE SECONDARY THROTTLE RETURN MECHANISM.

Safety risk

IN THE EVENT THE PRIMARY THROTTLE RETURN FAILS, FAILURE OF THE SECONDARY THROTTLE RETURN SYSTEM WOULD NOT PROVIDE PROTECTION AGAINST LOSS OF THROTTLE CONTROL.

Manufacturer remedy

A NEW PRODUCTION SECONDARY THROTTLE RETURN SYSTEM CONFIGURATION WILL BE INSTALLED.

Recall campaignNHTSA 90V051000

Visibility: windshield wiper/washer: linkages

Component
Visibility: windshield wiper/washer: linkages
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
2,350
Reported to NHTSA
1990-03-16
Owners notified
1991-05-17

Defect description

A TOLERANCE MISMATCH IN THE CRANK ASSEMBLY OF THE BOSCH WINDSHIELD WIPER MOTOR COULD CAUSE INSTANTANEOUS SEPARATION OF THE CRANK FROM THE LINKAGE ASSEMBLY IN THE LEFT HAND CONTROL ARM ASSEMBLY; THIS WOULD MAKE THE SYSTEM INOPERABLE.

Safety risk

WIPER FAILURE DURING VEHICLE OPERATION COULD REDUCE DRIVER'S ABILITY TO SEE THE ROAD, AND CREATES A POTENTIAL FOR AN ACCIDENT.

Manufacturer remedy

REPLACE LEFT HAND CONTROL ARM LINKAGE ASSEMBLY.

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.