Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 803 bulletins for NEW FLYER
ITS60969
Apr 11, 2024
010000 STEERING
Instruction to Service for proper correction of lower radius rod mounting hole location if found incorrect per ITS60966.
ITS60966
Apr 2, 2024
020000 SUSPENSION
Instruction to Service for proper inspection/verification of lower radius rod mounting hole location.
ITS60986
Mar 25, 2024
110000 ELECTRICAL SYSTEM
Instruction to Service to rearrange connectors to avoid potential interference.
ITS60981
Mar 22, 2024
110000 ELECTRICAL SYSTEM
Instructions to Service to revert PLC wake-up configuration to the original circuit (modified configuration is not required with a 400A bistable relay).
ITS60888
Dec 15, 2023
110000 ELECTRICAL SYSTEM
Instruction to Service ITS60888 to improve sealing in the S/S HV charge box.
ITS60853
Nov 7, 2023
110000 ELECTRICAL SYSTEM
Instruction to Service 60853 to rework a ground cable for the DC link distribution box.
ITS60838
Nov 3, 2023
110000 ELECTRICAL SYSTEM
Instruction to Service 60838 to check/replace fuse box mounting hardware as required.
ITS-60816
Oct 19, 2023
110000 ELECTRICAL SYSTEM
Instruction to Service to install enhanced ESS drain valves - 6 string system.
ITS-60815
Oct 19, 2023
110000 ELECTRICAL SYSTEM
Instructions to Service to install upgraded ESS drain valves - 5 string system.
ITS-60823
Oct 4, 2023
110000 ELECTRICAL SYSTEM
Instruction to Service to enhance sealing of overhead charge cables.
ITS60778
Aug 9, 2023
110000 ELECTRICAL SYSTEM
Instruction to Service to replace bracket to provide additional clearance on HVAC cable.
ITS60709
May 8, 2023
050000 PARKING BRAKE
Instructions to add sealing on the overhead charge rail box.
ITS60641
May 4, 2023
060000 ENGINE AND ENGINE COOLING
Instructions and PNs to install an improved Battery Thermal Management System fill decal.
ITS60656
Mar 21, 2023
110000 ELECTRICAL SYSTEM
Instructions to add a secondary O-ring to certain high voltage cables for improved sealing properties.
ITS60628
Mar 12, 2023
110000 ELECTRICAL SYSTEM
Instruction to provide additional sealing properties at the access door on a low voltage fuse box.
ITS60648
Mar 7, 2023
040000 SERVICE BRAKES, AIR
Instructions to re-route ABS cables near the center axle for better clearance.
ITS60637
Feb 27, 2023
110000 ELECTRICAL SYSTEM
Instruction to service on inspecting of the precharge circuit on BDUs.
ITS60618
Feb 16, 2023
110000 ELECTRICAL SYSTEM
Instructions to service for inspecting and correction of power bar clamp.
ITS60598
Jan 4, 2023
110000 ELECTRICAL SYSTEM
Some standard grade electric buses have experienced nuisance tripping of the motor inverter fuse. This ITS provides instructions to upgrade the fuse
ITS-60756
Dec 8, 2022
110000 ELECTRICAL SYSTEM
On certain buses, mounting rivnuts for securing the ESS and inverter rack may have insufficient crimping. ITS-60756 provides instructions for checking/correcting the rivnut crimping as required.
ITS-60547
Dec 5, 2022
110000 ELECTRICAL SYSTEM
ITS was issued to perform an inspection and replacement of fuse box fasteners if necessary
IST-60523
Oct 3, 2022
110000 ELECTRICAL SYSTEM
ITS was issued to correct the orientation of HV contactors. Incorrect orientation can lead to premature failure
ITS-60521
Sep 27, 2022
110000 ELECTRICAL SYSTEM
ITS was issued to correct the orientation of HV contactors Incorrect orientation can lead to premature failure
TSIB 22-08
Sep 26, 2022
110000 ELECTRICAL SYSTEM
New Flyer has issued Technical Service Information Bulletin (TSIB) 22-08, providing for the application of silicone paste onto overhead charging rails to inhibit water from collecting on the rails
TSIB 22-07
Sep 1, 2022
040000 SERVICE BRAKES, AIR
This Technical Service Information Bulletin (TSIB) - New Flyer has developed several maintenance updates for Xcelsior buses specifically equipped with the optional Powerex electric air compressors. This TSIB introduces field modifications i