Kenworth · United States · Mod
Kenworth T370: Service brakes — differential proportional valve
Affects Kenworth T370 · 2020 — about 4 vehicles.
The hazard
Increased brake activation timing may lengthen vehicle stopping distance, increasing the risk of a crash.
What to do
PACCAR will notify owners, and Kenworth dealers will install a second R12 relay valve, free of charge. PACCAR issued owners an interim notification on April 14, 2020. The recall began May 6, 2020. Owners may contact Kenworth customer service at 1-425-828-5888. PACCAR's number for this recall is 20KWA.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational