Suspension: front: springs: air suspension: lines and fittings
Manufacturer
VOLVO TRUCKS NORTH AMERICA INC
Vehicles affected
95,013
Reported to NHTSA
1998-10-14
Owners notified
1998-11-27
Defect description
VEHICLE DESCRIPTION: CLASS 8 HEAVY DUTY TRUCKS. THE AIR SUSPENSION CONTROL VALVE SUPPLY LINE WAS NOT PLUMBED THROUGH AN AIR PRESSURE PROTECTION VALVE. IN THE EVENT OF A FAILURE, THERE WOULD BE LOSS OF AIR PRESSURE IN THE 'B' SYSTEM AIR RESERVOIR THAT SUPPLIES AIR PRESSURE FOR THE FRONT STEER AXLE BRAKES.
Safety risk
THIS CONDITION WOULD RESULT IN INCREASED STOPPING DISTANCES.
Manufacturer remedy
DEALERS WILL INSTALL THE NECESSARY AIR PRESSURE PROTECTION VALVE.
THE TRACTION SOLENOID EXHAUST CAN BE OBSTRUCTED DUE TO INADEQUATE DRAINAGE AND A BUILD-UP OF ROAD CONTAMINATION BETWEEN THE MOUNTING BRACKET AND THE SOLENOID HOUSING. THE OBSTRUCTED EXHAUST PREVENTS THE RELAY VALVE CONTROL AIR PRESSURE FROM VENTING AFTER A DIFFERENTIAL BRAKING TRACTION EVENT.
Safety risk
THIS CONDITION WOULD KEEP THE REAR AXLE SERVICE BRAKES APPLIED WITHOUT ANY BRAKE PEDAL MOVEMENT BY THE DRIVER INCREASING THE RISK OF A VEHICLE ACCIDENT.
Manufacturer remedy
DEALERS WILL REMOVE THE SUSPECT VALVE AND INSTALL A NEW VALVE THAT HAS A MODIFIED SOLENOID HOUSING WHICH WILL ALLOW FOR SUFFICIENT DRAINAGE AND A NEW VALVE MOUNTING BRACKET WITH INCREASED HEIGHT TO REDUCE ENTRY OF CONTAMINATION.
VEHICLE DESCRIPTION: HEAVY DUTY CLASS 8 VEHICLES BUILT WITH A VOLVO 5.7 (12,500 LBS) FRONT STEERING AXLE. DUE TO HYDROGEN EMBRITTLEMENT, THE FRONT STEERING AXLE KING PINS COULD HAVE BROKEN DURING ASSEMBLY. CONTINUED OPERATION OF A VEHICLE WITH A BROKEN KING PIN COULD ALLOW THE PIN TO WORK LOOSE.
Safety risk
THIS CONDITION CAN CAUSE ERRATIC STEERING RESULTING IN LOSS OF STEERING CONTROL INCREASING THE POTENTIAL FOR A VEHICLE ACCIDENT.
Manufacturer remedy
DEALERS WILL INSPECT THE VEHICLES FOR A BROKEN KING PIN AND REPLACE THE KING PINS IF BROKEN.
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.