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💥 Crash riskNHTSA 26V442📅 Jul 9, 2026

2026–2027 Peterbilt 579 & 2027 Kenworth T680 recall: brakes

⚠️ What's wrong

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."

💥 The risk

An incorrectly installed quick release valve that does not function properly can increase the risk of a crash.

🔧 The fix

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.

Is the fix free? Yes. Safety recall repairs are free at any authorized dealer under federal law, including parts and labor. (Vehicles more than 15 years old when the recall was announced can be excluded, but most manufacturers still fix them.)
NHTSA campaign
26V442000
Manufacturer recall #
26PACC
Manufacturer
PACCAR Incorporated
Vehicles affected
8
Component
SERVICE BRAKES, AIR:SUPPLY:QUICK RELEASE VALVE
NHTSA hotline
1-888-327-4236
Built
Mar 12, 2025 – Mar 12, 2025
Recall started by
MFR

Vehicles in this recall

Is your car affected? Recalls apply to specific VINs. Check my VIN

FAQ

Is the 26V442 recall repair free?

Yes. Safety recall repairs are free at any authorized dealer under federal law, including parts and labor. (Vehicles more than 15 years old when the recall was announced can be excluded, but most manufacturers still fix them.)

Which vehicles are included in recall 26V442?

2026–2027 Peterbilt 579 & 2027 Kenworth T680. 8 vehicles may be affected. Check your exact car with its 17-character VIN.

What should I do?

Check your VIN, then call any authorized Kenworth dealer to book the free repair.