Vehicle Recall: 2026 PETERBILT 579
PACCAR Incorporated · August 7, 2026
Reason for Recall
An incorrectly installed quick release valve that does not function properly can increase the risk of a crash.
Product Description
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."
Source: National Highway Traffic Safety Administration
Recall number: 26V442000
Status: ongoing
View original recall notice at National Highway Traffic Safety Administration →
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