Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 883 bulletins for NOVA BUS
LI4394E
Oct 31, 2018
350000 EQUIPMENT
A new air dryer inspection procedure will be added to the maintenance and preventive maintenance manual for air dryer system sections,
LI4396E
Oct 31, 2018
060000 ENGINE (PWS)
An inadequate assembly sequence of the engine cradle may cause cracks in certain cases.
LI4417E
Oct 5, 2018
060000 ENGINE (PWS)
Maintenance update of the EGR differential pressure sensor and diesel particulate filter which must be cleaned at 5000hrs for Cummins Engine(s) concerning ISL9 CM2250.
BS4173ER1
Sep 9, 2018
060000 ENGINE AND ENGINE COOLING
The EGS coolant hoses may leak in the baselight above the passenger area.
BS4297E
Sep 4, 2018
160000 STRUCTURE
Dust intrusion in baselights area through the return air grill.
BS4298E
Sep 4, 2018
160000 STRUCTURE
Dust intrusion in baselights area through the return air grill.
LI4407E
Aug 31, 2018
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
A new option is available to ease the removal of the Thermo King AC unit evaporator on CNG vehicles.
BS3626ER2
Jul 18, 2018
180000 VEHICLE SPEED CONTROL
Cummins code 1242 for accelerator sensors circuit
LI4374ER1
Jul 18, 2018
350000 EQUIPMENT
Latch adjustment for the the proper operation of the destination sign doors.
BS4153ER1
Jun 29, 2018
110000 ELECTRICAL SYSTEM
Automatic Passenger Counter may report erroneous data due to dust or water intrusion on optical front door sensor lens
BS4370E
Jun 22, 2018
110000 ELECTRICAL SYSTEM
VBEA software logic improved to ensure that rear door fan operates according to actual ambient and engine compartment temperatures.
LI3994ER1
Jun 20, 2018
060000 ENGINE AND ENGINE COOLING
N41269 PAL hydraulic filter head discontinued and replaced by hydraulic filter head N8905938 and filter N8905939
LI4374E
Jun 15, 2018
170000 LATCHES/LOCKS/LINKAGES
Latch adjustment for the proper operation of the destination sign doors
LI4156E
May 29, 2018
060000 ENGINE AND ENGINE COOLING
The structural integrity of the plastic PEX fittings may be affected if coated with liquid and/or lubricant, which may lead to coolant leaking into the passenger compartment.
LI4296ER1
May 24, 2018
350000 EQUIPMENT
Inner slotted nuts may mislocate the wheel bearing assembly.
LI4289ER1
Mar 20, 2018
090000 FUEL SYSTEM, OTHER
Oil filler tube part number superceeded by improved tube
LI4167ER1
Mar 4, 2018
160000 STRUCTURE
New improved stanchion is now available for installation in the articulation section of the vehicle.