NHTSA safety recall

Recall 91V187000

Service Brakes, Hydraulic › Foundation Components › Drum — Oshkosh · reported 27 Oct 1991 · 130 vehicles potentially affected

What's wrong

THESE VEHICLES HAVE FRONT AXLES WITH BRAKE CAM OPERATION OPPOSITE TO THE ROTATION OF THE BRAKE DRUM (CAM OPPOSITE), AND THERE IS A TENDENCY FOR BRAKES TO CHATTER UNDER LOW AIR PRESSURE, RESULTING IN VIBRATIONS. THE VIBRATIONS INDUCE STRESSES IN THE TIE ROD END BEYOND ITS ENDURANCE LIMIT, AND RESULT IN CRACKS IN THE THREADED PORTION OF THE STUD WHERE THE TUBE ENDS.

The risk

CRACKS IN THE TIE ROD CAN RESULT IN SEPARATION OF THETIE ROD AND LOSS OF VEHICLE CONTROL WITHOUT PRIOR WARNING.

The fix

REPLACE THE CAM OPPOSITE BRAKE ACTUATION WITH CAM SAME BRAKE OPERATION, BY INTERCHANGING THE LEFT AND RIGHT CAM ASSEMBLIES TO AVOID BRAKE CHATTERING; AND REPLACE TIE RODS.

SYSTEM: BRAKES AND FRONT SUSPENSION.VEHICLE DESCRIPTION: HEAVY TRUCKS WITH 18000 LBS. DRIVING FRONT AXLES.

NHTSA campaign
91V187000
Filed by
Oshkosh Truck Corporation
Report received
27 Oct 1991
Owners notified
8 Nov 1991
Potentially affected
130

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.

1985 Oshkosh F 1986 Oshkosh F 1987 Oshkosh F 1988 Oshkosh F 1989 Oshkosh F 1990 Oshkosh F 1991 Oshkosh F 1985 Oshkosh P 1986 Oshkosh P 1987 Oshkosh P 1988 Oshkosh P 1989 Oshkosh P 1990 Oshkosh P 1991 Oshkosh P

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 →