Technical Service Bulletins

Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.

172,063 Unique Bulletins
4,686,952 Total Records
879 Vehicle Makes
1955–2025 Year Range
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Showing 803 bulletins for NEW FLYER

ITS58926 Jun 24, 2020
NEW FLYER — XE35, XE40, XE60 (2013–2020) — 24 vehicle combinations
110000 ELECTRICAL SYSTEM
Technical Instruction describing the DC charge rail and COM box lid replacement and inspection requirement
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ITS58940 Jun 17, 2020
NEW FLYER — XE35, XE40, XE60 (2019–2020) — 10 vehicle combinations
110000 ELECTRICAL SYSTEM
Technical Instruction describing how to check the polarity on the auxiliary electric heater HV cable assembly
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ITS58933 May 29, 2020
NEW FLYER — XE40, XE60 (2019) — 4 vehicle combinations
111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY
Technical Instruction describing how to install a magnetic proximity switch target bracket for the curb-side charging access panel.
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190524-115466 May 29, 2020
NEW FLYER — XE35, XE40, XE60, XHE40, XHE60 (2013–2020) — 26 vehicle combinations
110000 ELECTRICAL SYSTEM
Programmable Logic Controller (PLC) program change - to correct the requirement to manually cycle the rear doors open and closed before operating the bus.
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200508-116387 May 29, 2020
NEW FLYER — XE35, XE40, XE60 (2013–2020) — 14 vehicle combinations
111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY
Programmable Logic Controller (PLC) program change - to resolve several issues and incorporate several improvements related to the XALT battery systems installed on specific on Battery Electric buses.
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ITS58932 May 14, 2020
NEW FLYER — XE40, XE60, XHE60 (2015–2020) — 14 vehicle combinations
110000 ELECTRICAL SYSTEM
Technical Instruction describing how to reprogram the CM0711 gateway module
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SMB191 May 6, 2020
NEW FLYER — C30LF, C35LF, C35LFR, C40FLR, C40HF, C40LF, C40LFR, L40LF, L40LFR, XN35, XN40, XN60 (1996–2020) — 162 vehicle combinations
060000 ENGINE (PWS)
Service Manual Bulletin - Changes to Cummins ISLG and L9N engine oil specifications and oil change intervals.
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ITS58912 May 1, 2020
NEW FLYER — XE40, XE60 (2013–2020) — 14 vehicle combinations
110000 ELECTRICAL SYSTEM
Technical Instruction describing the DC charge rail box power cable replacement.
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ITS58907 Apr 30, 2020
NEW FLYER — XD40, XDE60 (2019–2020) — 3 vehicle combinations
160000 STRUCTURE
Technical Instruction describing the procedure for the removal and replacement of the auxiliary heater coolant line support bracket.
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ITS58911 Apr 23, 2020
NEW FLYER — XD35, XD40, XD60, XDE40, XDE60, XE35, XE40, XE60, XN35, XN40, XN60 (2019–2020) — 45 vehicle combinations
020000 SUSPENSION
Technical Instruction describing how to retrofit new shock absorber dust covers, height sensor and harness assembly for optional leveling systems on 2 and 3 axle vehicles. (Supersedes ITS58860)
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ITS58910 Apr 23, 2020
NEW FLYER — XD40, XDE40, XE40, XN40 (2020) — 12 vehicle combinations
020000 SUSPENSION
Technical Instruction describing how to retrofit new shock absorber dust covers, height sensor and harness assembly for optional leveling system on 40 foot buses.
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ITS58909 Apr 23, 2020
NEW FLYER — XD60, XDE60, XE60, XN60 (2019–2020) — 12 vehicle combinations
020000 SUSPENSION
Technical Instruction describing how to retrofit new shock absorber dust covers, height sensor and harness assembly for optional leveling system on 60 foot buses.
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ITS58884 Mar 31, 2020
NEW FLYER — XE40 (2019–2020) — 4 vehicle combinations
160000 STRUCTURE
Technical Instruction to Rework Front Forward Mud Flap, to reduce exterior airflow through the front door ramp assembly.
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ITS58860 Mar 23, 2020
NEW FLYER — XD35, XD60 (2019–2020) — 4 vehicle combinations
020000 SUSPENSION
Technical Instruction describing how to retrofit new shock absorber dust covers, height sensor and harness assembly for optional leveling system.
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ITS58874 Mar 2, 2020
NEW FLYER — XE35, XE40, XE60 (2013–2020) — 10 vehicle combinations
110000 ELECTRICAL SYSTEM
Technical Instruction describing the inspection procedures for the high voltage systems on a battery electric bus.
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ITS58872 Feb 28, 2020
NEW FLYER — XE40, XE60, XHE40 (2018–2019) — 8 vehicle combinations
020000 SUSPENSION
Technical Instruction describing how to retrofit "D" shaped anti-sway bar mounting bushings and hardware
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ITS58838 Jan 31, 2020
NEW FLYER — XDE40, XDE60 (2014–2017) — 4 vehicle combinations
160000 STRUCTURE
Technical Instruction describing how to repair cracks in DEF tank bracket welds, and add reinforced support bracket to DEF tank area.
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ITS58848 Jan 29, 2020
NEW FLYER — XD40, XN40 (2013–2019) — 8 vehicle combinations
162300 STRUCTURE:BODY:DOOR
Technical Instruction describing how to remove and replace the drivers barrier upper door frame assembly.
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ITS58835 Jan 8, 2020
NEW FLYER — XDE40, XN40 (2016–2020) — 6 vehicle combinations
110000 ELECTRICAL SYSTEM
Technical Instruction describing how to download a program to the Vansco Programmable Logic Control (PLC) system on buses equipped with under-dash USB port.
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ITS58810 Dec 24, 2019
NEW FLYER — XN40, XN60 (2018–2019) — 2 vehicle combinations
160000 STRUCTURE
Technical Instruction on how to remove and replace the left rear muffler access door, including paint instruction.
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SMB189 Dec 20, 2019
NEW FLYER — XE35, XE40, XE60, XHE40, XHE60 (2013–2020) — 19 vehicle combinations
110000 ELECTRICAL SYSTEM
Service Manual Bulletin - Update to high voltage safety procedures, specifically Lockout/Tagout, de-energizing and re-energizing procedures for both battery electric and fuel cell buses.
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ITS58796 Nov 29, 2019
NEW FLYER — XN35, XN40, XN60 (2019) — 6 vehicle combinations
081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
Technical Instruction describing how to remove and replace CNG vent decals and CNG information placards to conform with the 2019 version of the NFPA 52 Standard.
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ITS58760 Oct 31, 2019
NEW FLYER — XDE40, XDE60 (2016–2019) — 12 vehicle combinations
060000 ENGINE (PWS)
Technical Service Instruction Describing How to Replace the DEF Fluid Module/Pump Cover Assembly.
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ITS58768 Oct 31, 2019
NEW FLYER — XDE60, XN60, XT40 (2017–2019) — 10 vehicle combinations
136000 VISIBILITY:WINDSHIELD WIPER/WASHER
Technical Service Instruction Describing How to Replace Side or Top Mount Windshield Washer Pump Assembly.
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ITS58774 Oct 31, 2019
NEW FLYER — XE40 (2019) — 3 vehicle combinations
010000 STEERING
Technical Service Instruction Describing How to Rewire TRW Steering Column to Provide a Memory Power Circuit. - The addition of the switch ensures that the TRW Steering System maintains its calibration in the event of a power disruption.
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