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.
- NHTSA ID
- 11628680
- Incident
- Oct 7, 2024
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.
- NHTSA ID
- 11628678
- Incident
- Jun 26, 2024
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.
- NHTSA ID
- 11628674
- Incident
- Oct 8, 2024
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.
- NHTSA ID
- 11628671
- Incident
- Oct 10, 2024
Failure of air valve between primary and secondary air tanks. Does not isolate the two systems.
- NHTSA ID
- 11625336
- Incident
- Oct 11, 2024
Failure of air valve between primary and secondary air tank. Does not isolate the two systems.
- NHTSA ID
- 11625334
- Incident
- Oct 17, 2024
Failure of air valve between primary and secondary air tanks Does not isolate the two systems
- NHTSA ID
- 11625333
- Incident
- Oct 15, 2024
Failure of air valve between primary and secondary tanks Does not isolate the two systems
- NHTSA ID
- 11625331
- Incident
- Oct 11, 2024
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.