NHTSA Campaign 95E003001

SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS

Issued by PACCAR, INCORPORATED · Reported Mar 13, 1995 · 20,740 vehicles affected

What's wrong

AIR SYSTEM BLOCKAGE IN THE AIR DRYER OCCURS DEGRADING THE MOISTURE REMOVING CAPABILITIES OF THE DRYER WHEN THE VEHICLE IS OPERATED IN A COLD ENVIRONMENT AND MOISTURE ACCUMULATES AND FREEZES IN THE AIR DRYER OR IN THE LINE BETWEEN THE DRYER AND THE AIR SYSTEM RESERVOIR. THE AIR DRYER CAN BECOME OVER PRESSURIZED CAUSING THE AIR DRYER CARTRIDGE TO SEPARATE FROM THE MOUNTING BASE.

Consequence

IF THE AIR DRYER SEPARATES FROM THE BASE, THE CARTRIDGECAN SEPARATE SUFFICIENTLY ENOUGH TO CAUSE PERSONAL INJURY OR PROPERTY DAMAGE.

Remedy

DEALERS WILL EQUIP AIR SYSTEMS WITH A PRESSURE RELIEF VALVE TO BE LOCATED BETWEEN THE COMPRESSOR AND THE AIR DRYER. THIS PRESSURE RELIEF VALVE IS INTENDED TO VENT IF EXCESSIVE PRESSURE DEVELOPS IN THE AIR DRYER.

Vehicles affected by this recall

Make Model Year Units
KENWORTH KENWORTH 1993 20,740
KENWORTH KENWORTH 1994 20,740
KENWORTH KENWORTH 1995 20,740
PETERBILT PETERBILT 1993 20,740
PETERBILT PETERBILT 1994 20,740
PETERBILT PETERBILT 1995 20,740

Source: NHTSA Campaign 95E003001 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.