Component Description
SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS
Manufacturer That Filed Defect/noncompliance Report
MACK TRUCKS, INCORPORATED
Begin Date Of Manufacturing
19921001
End Date Of Manufacturing
19950301
Vehicle, Equipment Or Tire Report
0
Potential Number Of Units Affected
1224
Date Owner Notified By MFR
0
Recall Initiator (MFR/OVSC/ODI)
ODI
Mfg
Mack Trucks, Inc.
Report Received Date
19950627
Record Creation Date
19950927
Regulation Part Number
Defect Summary
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 OVERPRESSURIZED CAUSING THE AIR DRYER CARTRIDGE TO SEPARATE FROM THE MOUNTING BASE.
Consequence Summary
IF THE AIR DRYER SEPARATES FROM THE BASE, THE CARTRIDGE CAN SEPARATE SUFFICIENTLY ENOUGH TO CAUSE PERSONAL INJURY OR PROPERTY DAMAGE.
Corrective Summary
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.
Recall Notes
SYSTEM: BRAKES; AIR DRYER. VEHICLE DESCRIPTION: HEAVY DUTY CLASS 8 TRUCKS EQUIPPED WITH ROCKWELL WABCO SYSTEM SAVER "1000" OR SYSTEM SAVER "TWIN" AIR DRYER. NOTE: IF YOUR VEHICLE IS PRESENTED TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND THE REMEDY IS NOT PROVIDED FREE OF CHARGE WITHIN A REASONABLE TIME, CONTACT MACK AT 1-610-709-3011.ALSO CONTACT THE NATIONAL HIGHWAYTRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-800-424-9393.