Model year record

1984 MACK MR600P

1 recall campaign on file for this model year. No owner complaints on file.

Recalls

Recall campaignNHTSA 85V159000

Parking brake: driveline: hydraulic: hoses, lines/piping, and fittings

Component
Parking brake: driveline: hydraulic: hoses, lines/piping, and fittings
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
3,308
Reported to NHTSA
1985-11-26
Owners notified
1986-11-26

Defect description

THE QUICK RELEASE VALVE SUPPORT BRACKET MOUNTED ON THE AXLE MAY CRACK. THIS CAUSES FATIGUE FAILURE OF THE STEEL AIR LINES LEADING TO THE REAR PARKING BRAKES AND CHASSIS SERVICE BRAKES RESULTING IN SUDDEN LOSS OF AIR PRESSURE. CONSEQUENCE OF DEFECT: THIS SUDDEN LOSS OF AIR TO THE BRAKE CHAMBERS WILL RESULT IN AUTOMATIC ACTUATION OF REAR PARKING BRAKE CAUSING SUDDEN REAR WHEEL LOCKUP WHICH MAY CONTRIBUTE TO AN ACCIDENT.

Manufacturer remedy

INSTALL A REDESIGNED VALVE SUPPORT BRACKET.

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.