Peterbilt 320, 520: Service brakes — air

Affects Peterbilt 320, 520 · 2016–2020 — about 233 vehicles.

The hazard

A delayed brake release may increase the risk of crash.

What to do

PACCAR will notify owners, and dealers will check the vehicles for a quick release valve, installing one as necessary, free of charge. The recall began March 24, 2020. Owners may contact PACCAR customer service at 1-940-591-4220. PACCAR's number for this recall is 20PBB.

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