Defect summary
A TOLERANCE MISMATCH IN THE CRANK ASSEMBLY OF THE BOSCH WINDSHIELD WIPER MOTOR COULD CAUSE INSTANTANEOUS SEPARATION OF THE CRANK FROM THE LINKAGE ASSEMBLY IN THE LEFT HAND CONTROL ARM ASSEMBLY; THIS WOULD MAKE THE SYSTEM INOPERABLE.
Consequence
WIPER FAILURE DURING VEHICLE OPERATION COULD REDUCE DRIVER'S ABILITY TO SEE THE ROAD, AND CREATES A POTENTIAL FOR AN ACCIDENT.
Remedy
REPLACE LEFT HAND CONTROL ARM LINKAGE ASSEMBLY.
Notes
SYSTEM: WINDSHIELD WIPER CONTROL ARM ASSEMBLY.VEHICLE DESCRIPTION: HEAVY-DUTY TRUCKS.
Source: NHTSA ODI recalls file, campaign 90V051000. Text as published by NHTSA.