Defect summary
THE TRAILER HAND BRAKE CONTROL SYSTEM MAY HAVE THE WRONG VALVE INSTALLED WHICH LIMITS THE AIR PRESSURE TO THE TRAILER BRAKES BELOW THE REQUIRED PRESSURE.
Consequence
THE WRONG VALVE IN THE TRAILER HAND BRAKE CONTROL SYSTEMCAN RESULT IN AN INCREASE IN STOPPING DISTANCE AND POSSIBLE VEHICLE ACCIDENT.
Remedy
INSTALL THE CORRECT HAND BRAKE CONTROL VALVE.
Notes
SYSTEM: AIR BRAKES.VEHICLE DESCRIPTION: CLASS 7 AND 8 HEAVY DUTY TRUCKS.
Source: NHTSA ODI recalls file, campaign 92V038000. Text as published by NHTSA.