TSB170002 – Injector Sleeve Seal Leakage Causing Fuel and Coolant Cross-Contamination

Cummins

NHTSA ID Number: 10162095 Manufacturer Communication Number: TSB170002-050720 Summary This Technical Service Bulletin describes the verification and resolution of injector sleeve seal leakage causing fuel and coolant cross-contamination. Shrinkage of injector sleeve seal material can create a leak path between cylinder head cooling jacket and injector bore. This is an update to a previously submitted communication.   … Read more

Roof Hatch External Handle May Break/FMVSS 217 – 2020 Blue Bird Vision & All American Buses

Blue Bird Vision School Bus

July 12, 2019 NHTSA CAMPAIGN NUMBER: 19V524000 Roof Hatch External Handle May Break/FMVSS 217 If the roof hatch external handle breaks, in the event of an emergency, the hatch cannot be easily opened from outside the vehicle, increasing the risk of injury.   NHTSA Campaign Number: 19V524 Manufacturer Blue Bird Body Company Components STRUCTURE Potential Number of Units Affected 13 … Read more

Driver Seat Belt Bolts Insufficiently Torqued – 2019 Glaval Concorde II, Entourage, Legacy, Primetime, Universal, Commute, Startrans Candidate II, P/S2, Senator II, Senator II HD, Senator II MPV, & MFSAB Buses

Glaval Bus Concorde II

July 24, 2019 NHTSA CAMPAIGN NUMBER: 19V542000 Driver Seat Belt Bolts Insufficiently Torqued If the bolts loosen, the seat belt assembly may fail to restrain the occupant in the event of a crash, increasing their risk of injury.   NHTSA Campaign Number: 19V542 Manufacturer Forest RivereBay, Inc. Components SEAT BELTS Potential Number of Units Affected 951   Summary Forest RivereBay, … Read more

TSB170004 – Injector Sleeve Seal Leakage Causing Fuel and Coolant Cross-Contamination

Cummins

NHTSA ID Number: 10162096 Manufacturer Communication Number: TSB170004-050720 Summary This Technical Service Bulletin describes the verification and resolution of injector sleeve seal leakage causing fuel and coolant cross-contamination. Shrinkage of injector sleeve seal material can create a leak path between cylinder head cooling jacket and injector bore. This is an updated to a previously submitted communication.   … Read more

TSB190059 – Water Pump Belt Squeal or Jump on Front End Accessory Drive

Cummins

NHTSA ID Number: 10162097 Manufacturer Communication Number: TSB190059-050320 Summary This Technical Service Bulletin describes the verification and resolution of water pump belt squeal or jump on front end accessory drive. A shorter water pump drive belt was introduced to increase belt tension, reduce belt squeal, and belt jumping teeth on idler.   2 Affected Products Equipments CUMMINSeBayRead more