On certain buses equipped with detroit diesel series 50g engines, higher than expected temperatures will allow the low pressure natural gas regulator gasket to leak coolant and drip onto the terminals of the battery charging alternator.
Engine & cooling
Orion VI Engine problems by year
1 complaints filed with NHTSA about the Orion VI's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
Engine complaints by model year
Engine recalls
On certain transit buses equipped with detroit diesel series 50 engines, the turbocharger can fail allowing lubricating oil to enter the exhaust system.
On certain transit buses equipped with detroit diesel series 50 engine configurations, a hydraulic motor used to drive the engine cooling fan motor has two hoses connected to it, including a high pressure input hose. The high pressure hose is constructed...
Latest VI engine complaints
While driving 25 mph, the consumer was informed by other driver's that the vehicle was on fire. The consumer was able to maintain control of the vehicle and pulled over. The fire department extinguished the fire and no one was injured. The cause has not been determined at this time. Please provide further details. *Jb
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data