High Severity Issue
This component has been associated with crashes, fires, or deaths.
This Problem Across All Years
Air is bypassing the SR-7 valve, thus charging the brake chambers allowing the park brake to release. This was in the yard while parked in stall, built air, followed by uncontrolled rolling from stall.
Air is bypassing the SR-7 valve, thus charging the brake chambers allowing the park brake to release. Unit was parked in stall, built air, uncontrolled rolled out of stall.
Air is bypassing the SR-7 valve, thus charging the brake chambers allowing the park brake to release. This was on-route, Stopped vehicle, set park brake, exited vehicle to service customer, followed by uncontrolled movement of vehicle rolling away striking a fence.
Air is bypassing the SR-7 valve, thus charging the brake chambers allowing the park brake to release. Unit was on route, stopped vehicle, set park brake, exited vehicle to service customer followed by uncontrolled movement coming to a stop after hitting some trees.
Air is bypassing the SR-7 valve, thus charging the brake chambers allowing the park brake to release. This was in the yard while parked in stall, built air, followed by uncontrolled rolling from stall.
Air is bypassing the SR-7 valve, thus charging the brake chambers allowing the park brake to release. Unit was parked in stall, built air, uncontrolled rolled out of stall.
Air is bypassing the SR-7 valve, thus charging the brake chambers allowing the park brake to release. This was on-route, Stopped vehicle, set park brake, exited vehicle to service customer, followed by uncontrolled movement of vehicle rolling away striking a fence.
Air is bypassing the SR-7 valve, thus charging the brake chambers allowing the park brake to release. Unit was on route, stopped vehicle, set park brake, exited vehicle to service customer followed by uncontrolled movement coming to a stop after hitting some trees.
Failure of air valve between primary and secondary tanks Does not isolate the two systems
Failure of air valve between primary and secondary air tanks Does not isolate the two systems
Failure of air valve between primary and secondary air tank. Does not isolate the two systems.
Failure of air valve between primary and secondary air tanks. Does not isolate the two systems.
Failure of air valve between primary and secondary tanks Does not isolate the two systems
Failure of air valve between primary and secondary air tanks Does not isolate the two systems
Failure of air valve between primary and secondary air tank. Does not isolate the two systems.
Failure of air valve between primary and secondary air tanks. Does not isolate the two systems.