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Service Brakes, Air
30/08/1999
VEHICLE DESCRIPTION: DUAL STEER CLASS 8 HEAVY DUTY TRUCKS. THE FRONT STEER AXLE BRAKES DO NOT COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 121, "AIR BRAKE SYSTEMS."
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Service Brakes, Air
23/03/1996
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.
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Suspension rear springs air Suspension System
12/02/1996
THE REAR SUSPENSION AXLE RETENTION PLATE CAN BREAK UNDER NORMAL USE, AFFECTING AXLE ALIGNMENT.
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Suspension front springs air Suspension lines And Fittings
14/10/1998
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.
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Service Brakes, Hydraulic foundation Components
27/08/1996
THE REAR MOST AXLE OF THE TANDEM AXLE SET COULD HAVE INOPERABLE BRAKES ON ONE OR BOTH WHEELS BECAUSE THE BRAKE S-CAM WAS INCORRECTLY INSTALLED.
