Known Recalls

Recall campaign · NHTSA 85V159000

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

MACK TRUCKS, INCORPORATED filed this campaign with NHTSA on 1985-11-26.

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.

Notes

SYSTEM: PARKING BRAKES AIR LINES, QUICK RELEASE VALVE BRACKET.VEHICLE DESCRIPTION: MID-LINER TRUCKS.

Scope of coverage

4 model years across 2 models.

ModelYears on record
MACK MR600P1985 1984
MACK MS250P1985 1984

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.