NHTSA recall 79V179000
Service brakes, air › Supply › Reservoir/tank
Kenworth C500 and 1 more
The defect
Some of the involved vehicles do not comply with federal motor vehicle safety standard no. 121, "air brake systems". The air reservoir capacity IS below that allowed by the standard.
The remedy
Dealer will either replace the existing tank with a larger tank or add a second tank, without charge to owner.