2021 Nova Bus LFS technical service bulletins
102 technical service bulletins and manufacturer communications cover the 2021 Nova Bus LFS.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- One fire suppression system pipe may be installed backwards and interfere with an alternator cable,...
- Battery Unbalanced Light Logic with AGM Battery.
- The Parker PHD70 display might freeze or not work properly.
- The Cabin Coolant Level Sensors for the LOW and HIGH levels are swapped.
- HVAC coolant pipe leaks from various solder locations.
- P-clamps holding the transmission coolant pipes can break.
- Battery tray structure cracks due to thin sheet metal.
- The ground of the IVN unit (Intelligent Vehicle Network) could be connected to the wrong place.
- Driver barrier door stanchion hardware loose, missing, or broken.
- The EGR cooling hose N95062-48 is not rated for the engine compartment temperature
- Battery Tray Structure Cracks
- Improved durability of engine-side heat exchanger hoses.
- The belt guard hinge may crack.
- The WHA11 harness has a potential chafing issue.
- Upper door shaft nut may get loose.
- Lower door shaft nut may get loose.
- Rework allied motion e-Steering motor
- Rework allied motion e-Steering motor
- Introduction of headlight N109645 to replace N71373
- Erroneous Fault Codes reporting on the AVM System of Clever Devices.
- A bad connection at the ZF transmission connector may
- Brass fitting (N79131) leaks found at BL2 and BL4 two-way valve, repairs were performed not per AVT0029.
- P-Clamp failure on Transmission cooling pipes
- There is a potential restriction of fluid due to an improperly placed clamp which could
- Power steering lines chaffing the rear shell.
- The supplier Lift-U recommends the addition of a detection delay to prevent wrong fault code in the AVM.
- Fire light coming on in the dash, Fire detection system.
- Fire light coming on in the dash, Fire detection system
- Lexan panels cracking at mounting holes
- Coolant pipe assy failing
- Loose fuel tank due to improperly torqued hardware and missing hardware.
- American seating lower bracket hardware missing
- Heating system cannot reach the required temperature level in cold weather.
- Wheelchair ramp deploy switch hardware loose.
- Secure wiring and add wiring protection to avoid chafing/abrasion of wiring harness of the E-compressor.
- Due to the lack of bonding surface between the two large roof top panels, when thermal expansion and...
- Reposition Electrical Air Compressor cooling hose to avoid chafing/abrasion.
- Destination sign controllers were failing at a high rate
- The anchor bolt of one of the auxiliary heater high voltage cable retaining collar may come into contact...
- Leveling valve N92260 found out of adjustment
- Leveling valve N92260 found out of adjustment with damaged sway bar bushing bracket
- Some batteries temperature sensor may have an too high internal resistance and give an erroneous battery...
- Bus survey for CAN communication issues
- Fire light coming on in the dash
- Fire button pin incorrect orientation
- P-clamp cannot withstand the load of the cooling pipes
- On the Thermo King HVAC roof unit, after replacing the actuator N8897109, some customers could see the...
- HVAC deflectors are breaking at the folded attachment points
- Difficulty in removing the engine air filter housing cover affecting ease of serviceability of the filter.
- Need to change the attachment of Lexan panels due to apparent cracks observed in production.
- Transmission
- Driver seat belt routing improvement
- Parker Screen Software Update
- Bitzer AC compressor electrical failure
- Coolant leaks at supplier fittings
- Loose drivers stanchion
- Door code 105 is being logged on electric doors
- ITS Moxy switch
- Turn Signal Foot Switch Failures
- Water infiltration inside roof fuse box
- MCC Driver's Display Electrical Terminal Failure
- Horn may fail due to the low internal high heat resistance.
- ITS Moxy switch
- Difficulty in removing the engine air filter housing cover
- Filler Neck Valve Issue
- Gasket N55895 not installed in production (exhaust system)
- Water Inside Roof Fuse Box
- Missing gasket at flexible joint below
- Engine temperature too low
- Water infiltration inside roof fuses box
- Rotron coolant pump
- A faulty coupler could prevent reception of the GPS signal and result in no stop announcements.
- Cummins has issued a Temporary Repair Practice: TRP2484 â ECM Calibration for DEF Header Sensor Failures...
- Interlock pressure transducers failing
- Camera View and Color Issues
- E-steering fault light on Parker screen
- 24V Electric Steering Hydraulic Issues NYCT
- Vapor Rear Plug Doors
- Vapor Rear Plug Doors Abbreviated Checklist Certification
- Bosch Steering Gear Box Hardware Loose
- Coolant Pipe Leaks at Solder Joint
- Steering box hardware
- Steering box inspection
- Vapor rear plug door lower pivot / guide pin hardware loose or missing
- Front and rear door Emergency Release pins not locked in place
- Interlock Pressure Transducers Failing
- Fuel filter 90 degree fitting leaks
- Vapor Rear Plug Door Sensitive Edge Wiring
- The tell-tale light for the ''Brake worn out'' is actually non-functionnal.
- Grid heater cable missing its red boot
- Remove grease on the mounting hardware to the side destination sign
- Rear plug door jam nuts loose
- Missing washers on the cover shade Dash
- Voltage variation can
- ITS Box Shelves Loose
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