Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 803 bulletins for NEW FLYER
ITS58926
Jun 24, 2020
110000 ELECTRICAL SYSTEM
Technical Instruction describing the DC charge rail and COM box lid replacement and inspection requirement
ITS58940
Jun 17, 2020
110000 ELECTRICAL SYSTEM
Technical Instruction describing how to check the polarity on the auxiliary electric heater HV cable assembly
ITS58933
May 29, 2020
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.
190524-115466
May 29, 2020
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.
200508-116387
May 29, 2020
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.
ITS58932
May 14, 2020
110000 ELECTRICAL SYSTEM
Technical Instruction describing how to reprogram the CM0711 gateway module
SMB191
May 6, 2020
060000 ENGINE (PWS)
Service Manual Bulletin - Changes to Cummins ISLG and L9N engine oil specifications and oil change intervals.
ITS58912
May 1, 2020
110000 ELECTRICAL SYSTEM
Technical Instruction describing the DC charge rail box power cable replacement.
ITS58907
Apr 30, 2020
160000 STRUCTURE
Technical Instruction describing the procedure for the removal and replacement of the auxiliary heater coolant line support bracket.
ITS58911
Apr 23, 2020
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)
ITS58910
Apr 23, 2020
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.
ITS58909
Apr 23, 2020
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.
ITS58884
Mar 31, 2020
160000 STRUCTURE
Technical Instruction to Rework Front Forward Mud Flap, to reduce exterior airflow through the front door ramp assembly.
ITS58860
Mar 23, 2020
020000 SUSPENSION
Technical Instruction describing how to retrofit new shock absorber dust covers, height sensor and harness assembly for optional leveling system.
ITS58874
Mar 2, 2020
110000 ELECTRICAL SYSTEM
Technical Instruction describing the inspection procedures for the high voltage systems on a battery electric bus.
ITS58872
Feb 28, 2020
020000 SUSPENSION
Technical Instruction describing how to retrofit "D" shaped anti-sway bar mounting bushings and hardware
ITS58838
Jan 31, 2020
160000 STRUCTURE
Technical Instruction describing how to repair cracks in DEF tank bracket welds, and add reinforced support bracket to DEF tank area.
ITS58848
Jan 29, 2020
162300 STRUCTURE:BODY:DOOR
Technical Instruction describing how to remove and replace the drivers barrier upper door frame assembly.
ITS58835
Jan 8, 2020
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.
ITS58810
Dec 24, 2019
160000 STRUCTURE
Technical Instruction on how to remove and replace the left rear muffler access door, including paint instruction.
SMB189
Dec 20, 2019
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.
ITS58796
Nov 29, 2019
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.
ITS58760
Oct 31, 2019
060000 ENGINE (PWS)
Technical Service Instruction Describing How to Replace the DEF Fluid Module/Pump Cover Assembly.
ITS58768
Oct 31, 2019
136000 VISIBILITY:WINDSHIELD WIPER/WASHER
Technical Service Instruction Describing How to Replace Side or Top Mount Windshield Washer Pump Assembly.
ITS58774
Oct 31, 2019
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.