Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 883 bulletins for NOVA BUS
BS3919E
Feb 13, 2017
110000 ELECTRICAL SYSTEM
When the accelerator is suddenly depressed, the alternator voltage momentarily surge well above 32V because the voltage regulator response time is too long.
LI1911ER1
Feb 13, 2017
350000 EQUIPMENT
ZF wheel head suspension. ZF introduced an optimized axial roller bearing. Replace the axial roller bearing and lower seal ring with an optimized roller bearing.
BS3515ERR1
Jan 27, 2017
110000 ELECTRICAL SYSTEM
Replacement of 24-volt and HVAC cables in EGS Justify Cable lugs may break.
BS3866E
Dec 15, 2016
060000 ENGINE AND ENGINE COOLING
Cummins coolant sensors equipped with EPC connectors fail in service due to water infiltration.
BS3853ER1
Dec 9, 2016
354000 EQUIPMENT:MECHANICAL
Installation of a new and improved Energy Guidance System (EGS)
BS3855ER1
Dec 9, 2016
354000 EQUIPMENT:MECHANICAL
Installation of a new and improved Energy Guidance System (EGS)
BS3667E
Dec 5, 2016
160000 STRUCTURE
THIS COMMUNICATION IS A SERVICE BULLETIN CONCERNING THE VERTICAL BEAM THAT MIGHT CRACK ABOVE FRONT DOOR SECOND POST CAPPING.
LI3478E
Dec 5, 2016
110000 ELECTRICAL SYSTEM
THIS COMMUNICATION IS A LETTER OF INFORMATION CONCERNING A FAULT THAT MAY APPEAR ON THE ACTIA GAUGE IF AN INCORRECT PROGRAM VERSION IS USED.
LI3686E
Dec 5, 2016
118000 ELECTRICAL SYSTEM:SOFTWARE
THIS COMMUNICATION IS A LETTER OF INFORMATION TO EXPLAIN HOW TO BE SURE TO USE THE LATEST VERSION OF THE TESTMAN SOFTWARE.
LI3697E
Dec 5, 2016
160000 STRUCTURE
THIS COMMUNICATION IS A LETTER OF INFORMATION CONCERNING THE LOWER DOOR SPHERICAL BEARING AND PIVOT BRACKET REPLACEMENT.
BS3871E
Nov 30, 2016
111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY
THERE IS A POSSIBILITY OF BATTERY CABLE (+VE) CHAFFING AGAINST SHARP BRACKET SUPPORTING THE GROUND CABLE.
BS3735ER1
Nov 10, 2016
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
FLEXIBLE BELLOWS N79197 AND N79198 MAY HAVE AN EXHAUST LEAK NEAR THE RIGID EXHAUST PIPE.
BS3778E
Nov 7, 2016
160000 STRUCTURE
FRONT SHELL CRACKING. WATER INFILTRATION AND STRUCTURAL WEAKNESS.
LI3455E
Nov 1, 2016
060000 ENGINE (PWS)
HEATING VALVE N47416 IS OBSOLETE.REPLACEMENT OF VALVE N47416 BY THE NEW N8903252, WHICH IS SHORTER, REQUIRES LONGER PIPES.
LI3788ER1
Oct 8, 2016
060000 ENGINE (PWS)
"INTRODUCTION OF NORD-LOCK WASHERS TO FRONT ENGINE MOUNT BOLTS WITH NEW TORQUE SPECIFICATION FOR IMPROVED CLAMPING. (R1 REPHRASED THE DOCUMENT JUSTIFICATION)"
BS3749E
Oct 7, 2016
060000 ENGINE AND ENGINE COOLING
"CUMMINS COOLANT SENSORS EQUIPPED WITH THE EPC CONNECTORS FAIL IN SERVICE DUE TO WATER INFILTRATION."
LI3446ER5
Oct 5, 2016
010000 STEERING
INTRODUCING NEW HARDWARE AND INSTALLATION PROCEDURE FOR PITMAN ARM. (R5 UPDATED THE TORQUE VALUE IN PROCEDURE LINE 1.9)
LI3478ER1
Oct 3, 2016
110000 ELECTRICAL SYSTEM
"INCOMPATIBILITY OF ACTIA GAUGE PROGRAMS A FAULT MAY APPEAR ON THE ACTIA GAUGE IF AN INCORRECT PROGRAM VERSION IS USED (R1 MODIFICATIONS: SPEEDO SW 109633V08_00 CHANGED TO 109633V08_02 FOR ATUQ. FOR TTC SPEEDO SW 116724V04_35 CHANGED TO 1
LI3770E
Sep 27, 2016
060000 ENGINE (PWS)
NO ACCESS TO SUSPEND #6 LIFTER. CUT HOLE FOR ACCESS TO #6 CYLINDER EXHAUST LIFTER.
BS3419E
Sep 22, 2016
136200 VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR
The wiper motor cannot be stopped by the driver.
LI3788E
Sep 16, 2016
060000 ENGINE (PWS)
INTRODUCTION OF NORD-LOCK WASHERS TO FRONT ENGINE MOUNT BOLTS WITH NEW TORQUE SPECIFICATION FOR IMPROVISED CLAMPING.