All ActivityMost RecentMost LikesSolutionsRe: Breakdown InformationRV particulars: Fleetwood Flair Driveline (Engine, Transmission):GM 8.1 not Allison Trans Miles:22K Year:2002 Break Down Description: Auto Park Brake applied while driving Symptoms:Auto Park Brake warning light came on to indicate the resevour was low. Brake warning light came on when hydraulic pressure dropped. Effect:Auto Park Brake, at rear of transmission, was applied. Cause:Leak in body of valve that supplies pressur to Auto Park Brake. Outcome: Stopped along side of the road for 21 hours until I could get towed. Had to remove drive shaft to tow. The first dealer disconnected the linkage so I could drive to Workhorse dealer 100+ miles away. Workhorse dealer found leaking valve (pin hole in valve body) and I had to wait two days for part to arrive.