Defect summary
THE 19.5 X 6 FRONT STEEL WHEEL DISC CRACKS OUTSIDE THE MOUNTING BOLT CIRCLE AND ENDS AT THE HUB'S DIAMETER.
Consequence
IF THE CRACKING GOES UNNOTICED, THE CENTER PORTION OF THEDISC WILL CRACK COMPLETELY AND EVENTUALLY THE RIM PORTION OF THE WHEEL COULDSEPARATE FROM THE CENTER SECTION WHICH COULD RESULT IN A VEHICLE CRASH.
Remedy
REPLACE ALL SIX (SEVEN IF THERE IS A SPARE) DEFECTIVE WHEELS WITH NEWLY DESIGNED WHEELS.
Notes
SYSTEM: WHEELS.VEHICLE DESCRIPTION: MEDIUM TRUCKS WITH 6.2L DIESEL ENGINES, I-BEAM FRONT AXLES,DISC/DRUM POWER BRAKES AND RATED 11,000 TO 11,500 LBS. GVW.
Source: NHTSA ODI recalls file, campaign 92V129000. Text as published by NHTSA.