2011 New Flyer XN40 technical service bulletins

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

• May 19, 2026 Service bulletinInstructions for replacing a CNG decal to comply with New York State regulations
• May 6, 2020 Service bulletinService Manual Bulletin
• Apr 3, 2020 Service bulletinTechnical Service Information Bulletin describing changes to the Cummins ISLG, L9N, ISB6.7G and B6.7N...
• Nov 1, 2018 Service bulletinThis Technical Service Information Bulletin Decsribes How to Inspect and Reroute as Required the Cummins...
• Jan 5, 2018 Service bulletinThis Parts Manual Bulletin provides new part number information for the moveable arm kit for the Kongsberg...
• Jan 5, 2018 Service bulletinThis Service Manual Bulletin provides new OEM (Kongsberg) PM inspection requirements and new installation...
• Dec 6, 2017 Service bulletinThis Service Manual Bulletin provides new inspection and replacement requirements for the coolant hoses...
• Nov 15, 2017 Service bulletinThis Service Manual Bulletin provides new information on how to check for proper chain tension, as...
• Aug 11, 2017 Service bulletinThis Parts Manual bulletin provides information on the part numbers of the engine lift brackets
• Aug 11, 2017 Service bulletinThis bulletin provides PM inspection requirements for the K-menber on the fuel tank support structure
• May 19, 2017 Service bulletinThis Service Manual Bulletin provides a procedure for venting the tanks when the solenoid valve is stuck...
• Jun 25, 2015 Service bulletinNew flyer: 2010 epa or newer engines and mini-hybrid cooling system buses with isolated pipe clamps may...
• May 31, 2013 Service bulletinTechnical instruction to add inline filter for air intake line.
• May 31, 2013 Service bulletinTechnical Instruction to Add Inline Filter for Air Intake Line.
• Dec 31, 2012 Service bulletinTechnical instruction to remove and replace vision roof hatch glass.
• Dec 31, 2012 Service bulletinTechnical Instruction to Remove and Replace Vision Roof Hatch Glass.
• Nov 30, 2012 Service bulletinTechnical Instruction to Replace Surge Tank Steel Fittings with Brass Fittings.
• Oct 1, 2012 Service bulletinTechnical Instruction to Replace Existing Charge Air Cooler Tube.