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The Delco-Remy alternator is obsolete.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.
LI5024ER1
Under certain conditions, the rear wheelhouse structure section may be affected by a structural stress and crack near the radius rod of the anchor point.
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.
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.
LI4998ER1
The original production CAC silicone elbow used on the CAC pipe may leak due to insufficient length. A new longer elbow is necessary along with the addition of double clamps.
LI3978E
Information about the engine coolant. Coolant types should not be mixed in the engine.
LI5024E
Under certain conditions, the rear wheelhouse structure section may be affected by a structural stress and crack near the radius rod of the anchor point.
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.
LI4696ER1
Auxiliary heater Thermo 300 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.
LI4909E
Under certain condition (high temperature in southern state) combine with the engine compartment high ambient temperature near the exhaust side may cause the exhaust harness wires and connector to become brittle and fail.
APS4896E
Introduction of a new steering gearbox without the lubrication zerk.
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
LI4774E
Bad torque sequence and engine rail flatness out of tolerance at fuel tank mounts created preload in the chassis leading to premature failure.
FT4617
CAN Layer Resets
FT4669
CAN Layer Resets
BS4040ER3
Water infiltration and structural weakness
LI4642E
Addition of strain relief bracket to secure regulator connections against vibration
LI4577ER1
The repair kit parts will require a specific installation procedure. Current stock parts may still be used
FT4583
NOx sensor failing Codes 3446 and 3649
APS4531E
Availability of a dust protection kit to remove the maintenance need to clean the flame sensor sight glass when excessive soot or debris is accumulated on the internal burner head disc.
LI4512E
Brake wear signal reads 0% or fluctuates
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.
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.
BS4205E
Seats might get detached from damaged seat rails.
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.
BS4243E
Dust hides safety decals on hybrid electric units
BS4153E
Automatic Passenger Counter may report erroneous data due to dust or water intrusion on optical front door sensor lens.
LI4263E
Possibility of engine derating, stalling and losing of power
LI4084ER1
N64662 PAL hydraulic filter head discontinued and replaced by hydraulic filter head N8905938 and filter N8905939
BS4159E
Dust intrusion in baselights area through the structure vertical tubes.
BS4163E
Cable marker bands may be prone to loosening at current location.
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.
BS4040ER2
Water infiltration and structural weakness
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.
BS4040ER1
Water infiltration and structural weakness
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.
BS4040E
Water infiltration and structural weakness
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
BS4012E
Check light ON and continuous blinking of transmission fault code due to improper routing of ground cable.
BS3968E
Dust intrusion in baselights area through the structure vertical tubes (40' 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.
BS3886E
When the accelerator is suddenly depressed, the alternator voltage momentarily surge well above 32V because the voltage regulator response time is too long.
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.
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.
BS3785E
CNG FUEL LINE THAT RUNS TO THE SPHEROS AUX HEATER UNIT MAY COME INTO CONTACT WITH THE ENGINE CRADLE AND MAY CAUSE DAMAGE DUE TO CHAFFING.
BS3626E
CUMMINS CODE 1242 FOR ACCELERATOR SENSORS CIRCUIT
LI3732E
PROCEDURE TO FOLLOW WHEN REPLACING A PLASTIC MOTORIZE VALVE BY A METAL MOTORIZE VALVE. FOR THE DRIVER'S COMPARTMENT DEFROSTER VALVE.
BS3682ER2
FAILURE OF P-CLAMPS ON THE TRANSMISSION COOLING PIPES MAY FORCE THE PIPE TO COME IN CONTACT WITH STARTER SOLENOID TERMINAL.
LI3711
THIS LETTER IS TO INFORM YOU THAT FOR L725, L764 AND L785, CR3595E REPLACES CR3493ER2.
LI3714
THIS LETTER IS TO INFORM THAT CR3670E REPLACES CR3492ER3 FOR L573, L640, L671, L727, L787 AND L902.
LI3723E
THIS COMMUNICATION IS A LETTER OF INFORMATION TO HIGHLIGHT THE ERRONEOUS "DVR NOT OPERATIONAL" AND "ROLL CALL TIMEOUT-CAMERA" FAULTS OF APOLLO SYSTEM.
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.
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.
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
BS3497ER1
MANUFACTURING TOLERANCES DO NOT ALWAYS ALLOW OPTIMAL STARTER ENGAGEMENT. STARTER SHIM REMOVAL IS REQUIRED.
BS3457E
COOLANT SUPPLY TO MK2 RADIATOR MIGHT BE ERRATIC AND CREATE AIR POCKET IN RADIATOR
LI2027E
Steering shaft N74708 supercedes N67971. The structure needs minor modification to accomodate the new part.
LI3446ER2
Introducing new hardware and installation procedure for Pitman arm. (R2 revision is for: Road number and VIN has been updated for L860 TTC)
Li3454e
This Campaign is being issued to address actuator failures for ISB6.7 and ISL CM2350 Cummins Engines in transit bus applications. Certified repair locations are authorized to calibrate the turbo actuator with current software which may reduce failures of the TurboActuator.
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
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.
BS3329E
Grab handle strap: Strap may tear from the fastening assembly
BS3312E
Update the rear axle brake hoses to Nova Bus standards.
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
BS3222E
The engine air intake hose could rub against the air conditioning compressor components
LI3321E
Installation of a TPMS smartire connector in the RF2 panel make it possible to download data from the Smartire tool to the Smartire ECU module without the need of a laptop computer.
BS3243ER2
Document superceeded by BS3352
BS3352E
Change oil level Dipstick for ZF transmission for correct oil level reading
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.
BS3150ER1
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)
BS3150E
New fastener for ceiling speaker tile
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.
LI-31-87-E
NOVA BUS: INFORMATION REGARDING THE RADIATOR COMPARTMENT WHERE THE POWER STEERING HYDRAULIC LINES MAY BECOME LOOSE AND THE BRACKETS NEEDS TO BE CHECKED. *PE
LI-2068-E
NOVABUS: INFORMATION PROVIDED REGARDING THE REAR SUSPENSION, PARTICULARLY IN HOT CLIMATE, WHERE RISK OF OIL LEAKS CAN OCCUR AND O RINGS ARE AVAILABLE WITH GREATER HEAT RESISTANCE CAN BE INSTALLED. *PE
BS3108E
Missing informations on driver's legend decal.
BS3043ER2
Possibility of water infiltration in the engine air intake.
BS3095
Hoses and harnesses can be damaged in the energy guidance system
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.
LI3045E
Coolant filter additive free N71764 installed in production since august 2013
BS1783ER1
Bolts could become loose, which could cause the seat to drop.
BS2102E
Engine's ground cable terminal not protected against corrosion.
BS2103ER1
Ground cable was mounted on radiator frame without the paint being removed.
BS2104E
Front bumper was installed without Never Seeze.
BS2103E
Ground cable was mounted on radiator frame without the paint being removed.
BS2036ER1
Abnormal delay in retarder application
BS2036E
Abnormal delay in retarder application
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.