LI5228ER2
Service Bulletin/Repair Instructions
DEF GEN4 tank, tank head and sensor will no longer be available in service
Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
LI5228ER2
DEF GEN4 tank, tank head and sensor will no longer be available in service
APS5370E
The Delco-Remy alternator is obsolete. Air cooled ductless (Almott) alternator, power cable and hardware kit to replace the Delco-Remy oil-cooled alternator.
LI5228ER1
DEF tank Head Unit GEN4
LI5228E
DEF tank Head Unit GEN4 N8900882 is no longer available in service, it is replace by the new DEF tank Head Unit GEN5 N8910051
LI5170E
New lower shock mount available with an adapter plate better suited for the front and rear axle.
FT4720R1
Coolant hose rubbing against bulk head panel edge
FT4389R1
ITS Box Shelves Loose
LI4995E
Engine compartment junction block scheduled maintenance. This document is an addendum to Nova Bus Maintenance Manual section 19-401, outlining the need to monitor the condition of junction blocks and correct when required.
LI3978E
Information about the engine coolant. Coolant types should not be mixed in the engine.
BS4857R1E
The plastic reservoir of the HPU can crack and leak. A leakage could lead to a malfunction of the access ramp.
LI5011E
Recommendations on the disinfection of vehicles as well as products and precautions to be taken.
Li4998
The elbow used on the CAC pipes too short and found a leakage, decided to use the double clamp, it was necessary to use the longer elbow in this area.
LI4909ER1
High ambient temperature on exhaust side (after-treatment area) may cause Wiring Harness Assembly 64 wires and connectors to become brittle and fail.
LI4967ER1
Auxiliary heater Thermo 350 is discontinued. The Thermo Plus unit will replace the current unit only if the whole unit needs to be replaced. There is no need to retrofit any buses with the new Thermo Plus units. Replacement parts are available for the current Thermo/Thermo-S units already installed.
FT4607R1
Sikaflex seam sealing the exterior panel crack.
APS4896E
Introduction of a new steering gearbox without the lubrication zerk.
BS4857E
The plastic reservoir of the HPU can crack and leak. A leakage could lead to a malfunction of the access ramp.
LI4432ER1
TRW has eliminated from service procedure TAS-103 the greasing of the steering gearbox output shaft.
LI4810ER1
Obsolete AIC3 module needs to be replaced by the newer AIC4 module.
LI4810E
Obsolete AIC3 module needs to be replaced by the newer AIC4 module
FT4590R1
Engine Fan Connector hot
FT4607
Various Sika Seams are Cracking
LI4638E
Body panels joints may crack
LI4577ER1
The repair kit parts will require a specific installation procedure. Current stock parts may still be used
FT4563
Delco 450 Amp Alternator internal failure
FT4451
Paint peeling occur on skirt panels and other exterior trim components
FT4506
Driver Partition Legend decal is cracking
LI4546E
To avoid the risk of air being trapped which could damage the EGR cooler.
LI4394E
A new air dryer inspection procedure will be added to the maintenance and preventive maintenance manual for air dryer system sections,
LI4417E
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
The EGS coolant hoses may leak in the baselight above the passenger area.
BS3626ER2
Cummins code 1242 for accelerator sensors circuit
BS4153ER1
Automatic Passenger Counter may report erroneous data due to dust or water intrusion on optical front door sensor lens
LI4345E
Original valve is discontinued
LI4156E
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.
BS4178E
Seats might get detached from damaged seat rails.
LI4167ER1
New improved stanchion is now available for installation in the articulation section of the vehicle.
LI4169ER2
A new stanchion was designed to cope with conditions where vehicles are exposed to extreme road vibrations. The original stanchion supplied with vehicles listed below is now discontinued and replaced with this new design. This document outlines the Installation instructions needed if a stanchion needs replacement.
LI4200E
This is a product improvement campaign that is being issued to recaliberate the ECM and upfit with improved Selective Catalyst Reduction (SCR) component of the Cummins Engine(s).
LI4263ER1
Subject to application and duty cycle, DEF dosing valve can clog up and cause engine to derate, stall, lose power and log FC3568. Increasing dosing valve and DEF hose angle can help reduce such occurrence. Vehicles reporting repetitive FC3568 can be modified according to procedure herein.
LI4169ER1
A new stanchion was designed to cope with conditions where vehicles are exposed to extreme road vibrations. The original stanchion supplied with vehicles listed below is now discontinued and replaced with this new design. This document outlines the Installation instructions needed if a stanchion needs replacement.
BS4243E
Dust hides safety decals on hybrid electric units
BS4145ER1
Dust intrusion in baselights area through the return air grill.
BS4153E
Automatic Passenger Counter may report erroneous data due to dust or water intrusion on optical front door sensor lens.
LI4167ER2
New improved stanchion is now available for installation in the articulation section of the vehicle.
LI4170ER1
New improved stanchion is now available for installation in the articulation section of the vehicle.
LI4167E
New improved stanchion is now available for installation in the articulation section of the vehicle.
LI4169E
New improved stanchion is now available for installation in the articulation section of the vehicle.
LI4170E
New improved stanchion is now available for installation in the articulation section of the vehicle.
LI4263E
Possibility of engine derating, stalling and losing of power
BS4173E
The EGS coolant hoses may leak in the baselight above the passenger area.
BS3453ER1
Bum rest shells cracking and anchor points may loosen with time and vibration
LI4084ER1
N64662 PAL hydraulic filter head discontinued and replaced by hydraulic filter head N8905938 and filter N8905939
LI3402ER4
Low coolant level sensor warning
BS3933E
Sporadic illumination of check engine light and transmission light on the dashboard
LI3402ER3
Low coolant level sensor warning
BS4137E
Existing NOx sensors may be prone to failures
BS4051ER3
Interlock brake is activated when the B-bus network is disconnected or lost.
LI4113E
Procedure and tooling to remove the articulation cylinder pin is inadequate.
LI4060ER1
In case of replacing the existing radiator, there is an option to either refit the radiator to the existing frame or replace the complete radiator assembly with frame.
BS4012ER2
Check light ON and continuous blinking of transmission fault code due to improper routing of ground cable.
LI3732ER1
Procedure to follow when replacing a plastic motorize valve by a metal motorize valve.
BS4051ER2
Interlock brake is activated when the B-bus network is disconnected or lost.
LI4060E
In case of replacing the existing radiator, there is an option to either refit the radiator to the existing frame or replace the complete radiator assembly with frame.
LI4074E
Improved solution to secure Radiator Canopy Panel hardware
BS4051E
Interlock brake is activated when the B-bus network is disconnected or lost
BS4012ER1
Check light ON and continuous blinking of transmission fault code due to improper routing of ground cable
LI3720E
Introduction of optimized hub carrier kit for ZF AVN-132 middle axle on 60' vehicles
BS4012E
Check light ON and continuous blinking of transmission fault code due to improper routing of ground cable.
BS3969E
Dust intrusion in baselights area through the structure vertical tubes (60' bus)
LI3944E
Engine derating, stalling, and loss of power may occur as a result of code 3568
LI3753E
Vertical beam might crack above front door, second post capping.
BS3866E
Cummins coolant sensors equipped with EPC connectors fail in service due to water infiltration.
LI3478E
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
THIS COMMUNICATION IS A LETTER OF INFORMATION TO EXPLAIN HOW TO BE SURE TO USE THE LATEST VERSION OF THE TESTMAN SOFTWARE.
LI3697E
THIS COMMUNICATION IS A LETTER OF INFORMATION CONCERNING THE LOWER DOOR SPHERICAL BEARING AND PIVOT BRACKET REPLACEMENT.
BS3749E
CUMMINS COOLANT SENSORS EQUIPPED WITH THE EPC CONNECTORS FAIL IN SERVICE DUE TO WATER INFILTRATION.
LI3446ER5
INTRODUCING NEW HARDWARE AND INSTALLATION PROCEDURE FOR PITMAN ARM. (R5 UPDATED THE TORQUE VALUE IN PROCEDURE LINE 1.9)
LI3455E
HEATING VALVE N47416 IS OBSOLETE.REPLACEMENT OF VALVE N47416 BY THE NEW N8903252, WHICH IS SHORTER, REQUIRES LONGER PIPES.
LI3478ER1
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 116724V01_40 AND TACH SW 117130V01_07 CHANGED TO 117130V01_09
bs3749e
Cummins coolant sensors equipped with the EPC connectors fail in service due to water infiltration.
li3446er5
Introducing new hardware and installation procedure for Pitman arm. (R5 updated the torque value in procedure line 1.9)
li3478er1
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 116724V01_40 and Tach SW 117130V01_07 changed to 117130V01_09
LI3770E
NO ACCESS TO SUSPEND #6 LIFTER. CUT HOLE FOR ACCESS TO #6 CYLINDER EXHAUST LIFTER.
BS3419E
The wiper motor cannot be stopped by the driver.
BS3626ER1
CUMMINS CODE 1242 FOR ACCELERATOR SENSORS CIRCUIT, REPLACE THE THROTTLE PEDAL SENSORS CABLE.
BS3773E
THE COMMUNICATION BETWEEN ALLISON TRANSMISSION AND ACU3 REQUIRES OPTIMIZATION. REPROGRAM THE ACU3 HUBNER SOFTWARE.
BS3531ER3
FAILURE OF P-CLAMPS ON THE TRANSMISSION COOLING PIPES MAY FORCE THE PIPE TO COME IN CONTACT WITH STARTER SOLENOID TERMINAL. DOCUMENT REVISED TO REMOVE ONE VEHICLE FROM HOUSTON.
LI3732E
PROCEDURE TO FOLLOW WHEN REPLACING A PLASTIC MOTORIZE VALVE BY A METAL MOTORIZE VALVE. FOR THE DRIVER'S COMPARTMENT DEFROSTER VALVE.
BS3531ER2
FAILURE OF P-CLAMPS ON THE TRANSMISSION COOLING PIPES MAY FORCE THE PIPE TO COME IN CONTACT WITH STARTER SOLENOID TERMINAL.
BS3515ER1
REPLACEMENT OF 24-VOLT AND HVAC CABLES IN EGS
LI3446ER4
INTRODUCING NEW HARDWARE AND INSTALLATION PROCEDURE FOR PITMAN ARM.
BS3554ER3
AUXILIARY HEATER INTAKE PIPE MOUNTING BRACKET MIGHT NOT BE ABLE TO WITHSTAND THE VIBRATION INDUCED BY THE BUS FRAME.
LI3446ER3
INTRODUCING NEW HARDWARE AND INSTALLATION PROCEDURE FOR PITMAN ARM.
BS3379ER2
THE RED ARTIC TELL TALE LIGHT COMES ON: 1- FOR AN «ERROR 2 PLAUSIBILITY 2» CODE LIGHTS, GENERATED, FOR NO REASON 2- WHEN NO CODE IS REGISTERED IN THE ACU (GHOST CODE). SOLUTION: REPROGRAM THE ARTICULATION CONTROL UNIT (ACU).
BS3554ER1
AUXILIARY HEATER INTAKE PIPE MOUNTING BRACKET MIGHT NOT BE ABLE TO WITHSTAND THE VIBRATION INDUCED BY THE BUS FRAME.
BS3599ER1
DISABLING BATTERY MANAGEMENT FEATURE MAY HINDER THE FUNCTIONALITY OF RADIATOR VENTILATION FANS THEREBY CAUSING ENGINE OVERHEAT CODES. ALSO LEADS TO BATTERY OVERCHARGING.
BS3515ER2
THIS COMMUNICATION IS A SERVICE BULLETIN CONCERNING THE REPLACEMENT OF 24-VOLT AND HVAC CABLES IN EGS.
BS3517ER2
THIS COMMUNICATION IS A SERVICE BULLETIN CONCERNING THE REPLACEMENT OF 24-VOLT AND HVAC CABLES IN EGS WITH HEAVY DUTY LUGS.
BS3518ER1
THIS COMMUNICATION IS A SERVICE BULLETIN CONCERNING THE ENERGY GUIDE SYSTEM POWER CABLES AND COMPONENTS ISSUES, CABLE LUGS MAY BREAK AND CHAFFING ISSUES IN EGS.
BS3538E
WHEELHOUSE KICK-PLATES MAY COME LOOSE.
LI3574E
THIS CAMPAIGN IS BEING ISSUED TO HIGHLIGHT THE MODIFI ED ROUTING OF POWER AND GROUND WIRES INSIDE THE MCC ROOF UNIT.
li3574e
This campaign is being issued to highlight the modifi ed routing of power and ground
BS3465ER1
ARTICULATION SOLENOID CIRCUIT MAY CAUSE AN ERROR CODE IN ACU
bs3465er1
Articulation solenoid circuit may cause an error code in ACU
BS3518E
CABLE LUGS MAY BREAK AND CHAFFING ISSUES IN EGS.INSTALL NEW FLEXIBLE CABLES WITH HEAVY DUTY LUGS. REPLACE WORN HOSES AND SECURE ALL EGS COMPONENTS.
BS3515E
CABLE LUGS MAY BREAK: REPLACEMENT OF 24-VOLT AND HVAC CABLES IN EGS
BS3517E
CABLE LUGS MAY BREAK: REPLACEMENT OF 24-VOLT AND HVAC CABLES IN EGS
BS3457E
COOLANT SUPPLY TO MK2 RADIATOR MIGHT BE ERRATIC AND CREATE AIR POCKET IN RADIATOR
BS3448E
BUM REST SHELLS CRACKING AND ANCHOR POINTS MAY LOOSEN WITH TIME AND VIBRATION.
BS3453E
BUM REST SHELLS CRACKING AND ANCHOR POINTS MAY LOOSEN WITH TIME AND VIBRATION.
BS3483E
Interference between external oil filter and fuse bracket holder
LI2027E
Steering shaft N74708 supercedes N67971. The structure needs minor modification to accomodate the new part.
BS3465E
Articulation solenoid circuit may cause an error code in ACU
LI3486E
Lubrication schedule for the bearing articulation. Additional greasing intervals promote extended durability of articulation joint main bearing when exposed to harsh environments. These severe environments may include, but not limited to, dust/dirt, extreme cold/heat, moisture, salt or other corrosive constituents. Customers operating Nova Bus articulated vehicles in harsh environments are encouraged to follow the lubrication schedule herein.
LI3446ER2
Introducing new hardware and installation procedure for Pitman arm. (R2 revision is for: Road number and VIN has been updated for L860 TTC)
Bs3485er1
The passenger counting sensor may have a pinch point safety hazard which can result in injury.
Bs3199er2
The center hoop support bolt may be loose
Bs3219er3
The engine air intake hose could rub against the air conditioning compressor components
LI3402ER2
Low coolant level sensor warning
LI3402ER1
Low coolant level sensor warning
BS3379ER1
Hübner articulation. The red artic tell tale light comes on: 1- for an «Error 2 Plausibility 2» code lights, generated, for no reason 2- when no code is registered in the ACU (ghost code).
BS3379E
Hübner articulation.The red artic tell tale light comes on: 1- for an «Error 2 Plausibility 2» code lights, generated, for no reason 2- when no code is registered in the ACU (ghost code).
LI3402E
Low coolant level sensor warning
LI1953E
Moisture may accumulate in the space under the driver's seat and cause corrosion of the power steering hydraulic fittings and piping.
BS3377E
Grab handle strap: Strap may tear from the fastening assembly
BS3219ER1
The engine air intake hose could rub against the air conditioning compressor components
BS3344E
Niehoff alternator bolts and rubber air intake elbow. The use of longer bolts is required.
BS3219E
The engine air intake hose could rub against the air conditioning compressor components
BS3221E
The engine air intake hose could rub against the air conditioning compressor components
BS3243ER2
Document superceeded by BS3352
BS3352E
Change oil level Dipstick for ZF transmission for correct oil level reading
LI3227E
New Potentiometer available in service
BS3279E
Heat shield sleeve could be missing and heat deteriorates the hose, leading to a possible coolant leak
BS3205ER1
Condenser purging system. The condensor purge too much oil or does not purge at all.
BS3205E
The A/C condensor purge too much oil or does not purge at all.
BS3243ER1
Dipstick for ZF transmission. Change oil level Dipstick for ZF transmission for a correct oil level reading.
BS3166ER1
New fastener for ceiling speaker/camera tile
BS3166E
New fastener for ceiling speaker/camera tile
BS3243E
Dipstick for ZF transmission. Change oil level Dipstick for ZF transmission for a correct oil level reading.
BS3104ER1
Wiper arms and linkage may come loose. (document revised to inform customers that it has been superceeded by the recall campaign cr3229E)
LI3158E
Fuel leaks may occur on the # 2 and # 4 injector fuel supply lines.
BS3070
Possible chafing between the brake hoses and surrounding components.
LI3193
The rear engine access door may not close properly
LI3188
A new radius rod bolt torque is now in effect.
LI2072E
Service-relevant changes to the adjuster of the air disc brakes.
BS3124E
Soot leak at exhaust system flexible joint bellows.
BS3121E
Next stop request switch may stop working properly
BS3109E
Exterior speaker stops working.
BS3123E
The heating pipe support bolts may loosen
BS3125E
Kneeling switch may break under intensive usage
BS3132E
Front destination sign compartment latch may break
BS3108E
Missing informations on driver's legend decal.
BS3058E
The bottom plate may detach from the pivoting battery tray frame.
BS3043ER2
Possibility of water infiltration in the engine air intake.
BS3092E
Driver partition panel screws may loosen
BS3052E
AC compressor hoses leaking.
BS3091E
The weld bead separates from the fl oor covering, causing degradation to the floor adhesive.
LI2116E
Diagnose a potentiel Bendix disk brake thermal overload.
LI3061E
Eliminate the overheating of the dosage module by adding an extension to the cooling hose to maintain the supply of cooling liquid to the dosing valve.
BS3072E
Emergency door release cable boxes may detach from the baselight.
BS3055E
The temperature knob may turn freely, without changing the setting.
LI3045E
Coolant filter additive free N71764 installed in production since august 2013
BS1783ER1
Bolts could become loose, which could cause the seat to drop.
BS1783ER2
Bolts could become loose, which could cause the seat to drop.
BS2086E
Intermittent low air codes caused by 5-Volt signal interruption
BS2102E
Engine's ground cable terminal not protected against corrosion.
BS2103ER1
Ground cable was mounted on radiator frame without the paint being removed.
BS2100E
The shipping cap should have been removed in production.Brake caliper shipping cap.
BS2103E
Ground cable was mounted on radiator frame without the paint being removed.
BS2099E
Hydraulic fi lter housing gasket must be removed.
BS2095E
No threadlocker was applied on the control valve's nut.
BS2098E
Jam nut missing on the rod support. Five-passenger rear seat rod support.
BS2094E
Air dryer silencer kit. Silencers must be installed remotely.
BS2096E
Unfi ltered air can be sucked into the engine.
BS2037E
Operator's door latch anchor bolts and bumper detaches in service
BS2004E
Air dryer drain hoses detach from the tanks because hoses dry out out and retaining clamps loosen.
BS2025E
Main panel harness rubs against the metal behind the hinge protection
LI2052ER1
Alternator relay wire may break
BS2018E
At 4 in. Hg vacuum, the fuel sensor restriction closes the fuel supply.
BS2023E
Belt guard hinge may crack in the upper part.
LI2052E
Alternator relay wire may break
LI2002E
Tire manufacturer Michelin has introduced new tires with improved features, including; Longitudinal and lateral grip on dry and wet surfaces; Increased tread wear mileage
BS1872E
The communication between transmission and the Hübner articulation system is requires optimization
BS2011E
Control light on driver's lateral panel: The lamp might cause intermittent electrical problems.
BS1908ER1
The engine air intake hose could rub against the air conditioning compressor components
BS1992E
Transmission fluid spills from the transmission breather into the engine compartment
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.