NHTSA safety recall

Recall 85V159000

Parking Brake › Driveline › Hydraulic › Hoses, Lines/piping, And Fittings — Mack · reported 26 Nov 1985 · 3,308 vehicles potentially affected

What's wrong

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.

The fix

INSTALL A REDESIGNED VALVE SUPPORT BRACKET.

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

NHTSA campaign
85V159000
Filed by
Mack Trucks, Incorporated
Report received
26 Nov 1985
Owners notified
26 Nov 1986
Potentially affected
3,308

Vehicles covered by this recall

Whether a particular car is affected and still unrepaired depends on its VIN — a model year being listed does not mean every car of that year is included. Check any VIN free on CarLogs, or at nhtsa.gov/recalls.

1984 Mack Mr600p 1985 Mack Mr600p 1984 Mack Ms250p 1985 Mack Ms250p

Is this car's recall fixed?

Recall repairs are free at any franchised dealer, for the life of the vehicle. A CarLogs report shows the recall status for a specific VIN as reported by the manufacturer — whether it's open or repaired, and whether the fix is available yet.

Source: NHTSA Office of Defects Investigation recall database. Look up another campaign →