LI5427E
Service Bulletin/Repair Instructions
Improved durability of engine-side heat exchanger hoses.
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.
LI5427E
Improved durability of engine-side heat exchanger hoses.
LI5485E
Introduction of headlight N109645 to replace N71373. The new headlight is interchangeable and offers better protection against water intrusion. It is possible to replace only one headlight if necessary.
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The Delco-Remy alternator is obsolete.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.
LI5170E
New lower shock mount available with an adapter plate better suited for the front and rear axle.
LI5185E
Cummins has issued a Temporary Repair Practice: TRP2484 â 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 error codes.
BS5146E
Engine could crank when fuel door is open
BS4946E
Emergency Engine Stop Override switch on the Operator's Control Panel is missing.
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.
FT4867R3
Hydraulic Level Sensor Defective, failures or intermittent Low hydraulic light coming on in service. Sensor failing intermittently this is the new stainless steel improved sensor. Replace sensor by Fozmula.
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.
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.
FT4867R2
Hydraulic level sensor defective
LI4910ER1
High ambient temperature on exhaust side (after-treatment area) may cause Wiring Harness Assembly 64 wires and connectors to become brittle and fail.
LI4957E
The auxiliary heater fuel filter is now obsolete. The fuel filter and its support will have to be replaced at its next maintenance.
LI4695ER1
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.
FT4926
Drag links found loose after 35 to 45000 ml. Replace drag links.
Ft4867R1
failures or intermittent Low hydraulic light coming on in service. Removal of the Hydraulic Oil Level Sensor.
LI4910E
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.
FT4606R1
Sikaflex seams sealing the exterior panel crack.
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.
BS4903E
Wheel chair access ramp does not operate under the actual VBEA program.
FT4705R1
Bike Rack Icon not working correctly
FT4805
Delco 450 Amp Alternator internal failure
FT4644
Body corner panel shows cracks
FT4784
Tow eye plugs stuck
FT4737R2
Spheros Pre-Heater / Pre-Heater Regulator Replacement
FT4487R2
ITS Box Shelves Won't Lock
BS4630E
When Fast idle is active the engine parameter prevents the engine from doing an active regeneration.
FT4705
Bike Rack Icon not working correctly
FT4737
Coolant in Pre-heater
LI4718E
A new part kit and work procedure is required to replace the auxiliary heater filter N12950 since the latter has been discontinued by its supplier.
FT4654
CNG Turbo Failure
FT4650R1
Seats rail failure San Antonio Texas - VIA inspection
FT4692
HVAC discharge pipe insulation melting
FT4652
Seats rail floor failure San Antonio Texas
FT4606
Various Sika Seams are Cracking
FT4650
Seats rail failure San Antonio Texas - VIA inspection
LI4574E
Body panels joints may crack
APS4528ER1
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
FT4487R1
ITS box rail locks are breaking
FT4623
Watch Your Step Decal Peeling
FT4640
Seats rail floor failure San Antonio Texas
FT4610R1
Seats rail failure San Antonio Texas
LI4388ER1
Cummins code 1242 for throttle pedal sensor circuit
LI4577ER1
The repair kit parts will require a specific installation procedure. Current stock parts may still be used
FT4487
ITS box rail locks are breaking
FT4610
Seats rail failure San Antonio Texas
FT4532
Compartment Door Corrosion
FT4547
Destination Sign Curtains Falling
FT4515
AC drain tube kazoo/check valve missing
FT4542
Driver Defrost Not Working with High Fan Speed
FT4537
Exhaust Pipe Clamp Loose
FT4564
Infotainment ethernet cables wrong connector
FT4416R2
Plastic fitting for PEX affected by oil leaking from transmission cooler
LI4388E
Cummins code 1242 for throttle pedal sensor circuit
LI4546E
To avoid the risk of air being trapped which could damage the EGR cooler.
LI4513E
Firmware update to increase the coils lifespan by improving its control.
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,
BS4461E
Canopy door latch might need to be retightened.
LI4407E
A new option is available to ease the removal of the Thermo King AC unit evaporator on CNG vehicles.
BS4329E
Plastic stopper strips can detached from the canopy doors.
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.
LI4182E
Inner slotted nuts may mislocate the wheel bearing assembly.
LI4289ER1
Oil filler tube part number superceeded by improved tube
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
LI4263E
Possibility of engine derating, stalling and losing of power
BS4154E
HVAC drain tubes are missing kazoos resulting in excess of water dropping inside the passengers cabin
BS4051ER3
Interlock brake is activated when the B-bus network is disconnected or lost.
LI4114E
Articulation hydraulic cylinder pin is required to be maintained at W2 (60,000mi,100,000Km) maintenance of the articulation system to ease removal at a later time.
BS4076ER1
Air supply line might get disconnected due to mismatch between the hose and the fitting.
BS4045ER2
Heat from a drain on the exhaust may damage the rear left corner panel.
BS4051ER2
Interlock brake is activated when the B-bus network is disconnected or lost.
LI4074E
Improved solution to secure Radiator Canopy Panel hardware
BS3554ER3
Auxiliary heater intake bracket Justify Auxiliary heater intake pipe mounting bracket might no be able to withstand the vibration induced by the bus frame.
BS3310ER2
Sensor supply (TPS2) cable replacement - Justification Cummins code 1242 for accelerator interlock circuit.
BS3538E
Wheelhouse kick-plates Justify Wheelhouse kick-plates may come loose.
BS3447ER1
Hydraulic tank bushing Justify Hysraulic tank bushing failure after campaign
BS3515ERR1
Replacement of 24-volt and HVAC cables in EGS Justify Cable lugs may break.
BS3517ER1
Replacement of 24-volt and HVAC cables in EGS Justify cable lugs may break.
BS3457E
Surge tank coolant supply Justify Coolant supply to MK2 radiator might be erratic and create air pocket in radiator
BS3447E
Hydraulic tank bushing - Justify Hydraulic tank bushing failure after campaign
LI3045E
Coolant filter additive free N71764 installed in production since august 2013
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.