LINE PRESSURE SURGES OCCUR WHEN THE TRANSMISSION IS IN HIGH GEAR LOCKUP DUE TO A PLUMBING ERROR. CONSEQUENCE OF DEFECT: LINE PRESSURE SURGES COULD CAUSE BODILY HARM THROUGH ERRATIC FIRE HOSE…
REWORK PLUMBING TO PREVENT LINE PRESSURE SURGES.
The 1986 Kenworth W900b has 2 NHTSA recall campaigns affecting an estimated 5,090 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 20, 2026.
LINE PRESSURE SURGES OCCUR WHEN THE TRANSMISSION IS IN HIGH GEAR LOCKUP DUE TO A PLUMBING ERROR. CONSEQUENCE OF DEFECT: LINE PRESSURE SURGES COULD CAUSE BODILY HARM THROUGH ERRATIC FIRE HOSE…
REWORK PLUMBING TO PREVENT LINE PRESSURE SURGES.
THE CIRCUIT BREAKERS MAY FAIL AND ALLOW THE CIRCUIT TO OVERHEAT. CONSEQUENCE OF DEFECT: A FIRE COULD OCCUR AS A RESULT OF THE CIRCUIT BREAKER FAILURE.
REMOVE CIRCUIT BREAKERS AND REPLACE WITH FUSES.
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1986 Kenworth W900b as of July 20, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.