Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 883 bulletins for NOVA BUS
BS4757E
Apr 7, 2022
040000 SERVICE BRAKES, AIR
Replace the 50 PSI interlock pressure regulator for a 65 PSI interlock pressure regulator
FT5253
Apr 4, 2022
060000 ENGINE AND ENGINE COOLING
5 hoses and 10 clamps need the torque to be validated
LI5164E
Mar 24, 2022
110000 ELECTRICAL SYSTEM
MCC Driver's Display Electrical Terminal Failure. Bracket installation to add a strain relief on the MCC display screen wires.
BS5210ER1
Mar 22, 2022
110000 ELECTRICAL SYSTEM
Horn may fail due to the low internal high heat resistance.
FT5245
Mar 17, 2022
110000 ELECTRICAL SYSTEM
ITS Moxy switch. The port 13 CAT6 cable of the NYCT Moxy switch is for a future option and should never be plugged in.Plugging this cable will cause malfunctions to the Infotainment screens and could cause damage.
FT5237
Mar 10, 2022
060000 ENGINE AND ENGINE COOLING
Difficulty in removing the engine air filter housing cover
FT5199R2
Mar 2, 2022
061530 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:SEALS/GASKETS
Gasket N55895 not installed in production (exhaust system)
LI5170E
Feb 7, 2022
020000 SUSPENSION
New lower shock mount available with an adapter plate better suited for the front and rear axle.
BS5210E
Feb 1, 2022
110000 ELECTRICAL SYSTEM
Horn may fail due to the low internal high heat resistance.
BS5209ER1
Jan 27, 2022
060000 ENGINE AND ENGINE COOLING
Rotron coolant pump. Burr on the flange might result in a coolant leakage. Nord-Lock washers may be missing.
LI5206E
Jan 17, 2022
353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)
A faulty coupler could prevent reception of the GPS signal and result in no stop announcements.
LI5178R1
Jan 11, 2022
030000 SERVICE BRAKES, HYDRAULIC
installation of new pressure regulator for retarder interlock. Obsolete part replacement
LI5179R1
Jan 11, 2022
040000 SERVICE BRAKES, AIR
installation of new pressure regulator for retarder interlock. Obsolete part replacement
LI5185E
Jan 5, 2022
110000 ELECTRICAL SYSTEM
Cummins has issued a Temporary Repair Practice: TRP2484 ??A?A? ECM Calibration for DEF Header Sensor Failures due to Parts Shortage TRP allowing temporary calibration of the engine ECM in the event of the DEF sensor failure and repeated e