Peterbilt 537, 536 +1 more: Service brakes — air

Affects Peterbilt 537, 536, 548 · 2021–2024 — about 8K vehicles.

The hazard

Service brake failure can increase the risk of a crash.

What to do

Dealers will add a pedal restraint bracket, free of charge. Owner notification letters were mailed April 7, 2023. Owners may contact Kenworth's customer service at 1-425-828-588 and Peterbilt's customer service at 1-940-591-4220. PACCAR's numbers for this recall are 23KWB and 23PBB.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational