PACCAR Incorporated: Service Brakes, Air:Supply:Quick Release Valve (2026 PETERBILT 579, 2027 KENWORTH T680, 2027 PETERBILT 579)
Read the official notice at NHTSA →
The text below is copied from the official NHTSA record. If anything differs, the official notice is correct.
- Company / brand
- PACCAR Incorporated
- Product
- 2026 PETERBILT 579; 2027 KENWORTH T680; 2027 PETERBILT 579
- Reason / hazard
- An incorrectly installed quick release valve that does not function properly can increase the risk of a crash.
- What to do (remedy)
- Paccar inspected and reinstalled the valves, as necessary, free of charge. All affected tractors have been repaired and therefore no owner notification letters are necessary. Owners may contact Peterbilt's customer service at 1-940-591-4220 and Kenworth's customer service at 1-425-828-5888. PACCAR's number for this recall is 26PACC.
- Distribution / sold at
- Potentially affected: 8
- Defect
- PACCAR Incorporated (PACCAR) is recalling certain 2026-2027 Peterbilt 579 and 2027 Kenworth T680 tractors. The trailer air connection quick release (QR) valve in the air brake system may have been incorrectly installed, which can cause the trailer to become unstable after the driver applies the brakes. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
- Component
- SERVICE BRAKES, AIR:SUPPLY:QUICK RELEASE VALVE
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