Service bulletins for the 2018 NovaBUS LFS
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
157 on file from NHTSA, as of 2026-10-19.
By type
By component
By topic
| BS4970ER1 | 2021-03-04. Service bulletin. EQUIPMENT. Destination sign doors latches may become loose or fail. |
|---|---|
| LI3978E | 2021-03-04. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. Information about the engine coolant. Coolant types should not be mixed in the engine. |
| FT4867R3 | 2021-03-04. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; STEERING; EQUIPMENT. 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. |
| FT4947 | 2021-03-04. Service bulletin. EQUIPMENT. part has been discontinued by supplier Watlow, Remove auxiliary heater, keep the circulating pump, close the cooling loop and replace VBEA program. |
| LI4995E | 2021-03-04. Service bulletin. ENGINE; ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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. |
| FT4949 | 2021-02-02. Service bulletin. ELECTRICAL SYSTEM. Throttle pedal not responding with Check Engine Light (CEL) turned on. Out Of Service (OOS) reports are issued with the Cummins 1242 Fault Codes (FC) recorded in the ECM, along with other Throttle Pedal Signal (TPS) codes. |
| Li4998 | 2021-02-02. Service bulletin. ENGINE AND ENGINE COOLING. 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. |
| LI5011E | 2021-02-02. Service bulletin. EQUIPMENT. Recommendations on the disinfection of vehicles as well as products and precautions to be taken. |
| FT4867R2 | 2021-01-05. Service bulletin. STEERING; STEERING:HYDRAULIC POWER ASSIST SYSTEM. Hydraulic level sensor defective |
| FT4997R1 | 2021-01-05. Service bulletin. SEATS; EQUIPMENT. Passengers seat back cracked inspection |
| FT4950 | 2020-11-04. Service bulletin. STRUCTURE; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE. Engine door hinge becoming loose |
| LI4695ER1 | 2020-11-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. 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. |
| LI4968ER1 | 2020-11-04. Service bulletin. EQUIPMENT. 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. |
| FT4925 | 2020-09-01. Service bulletin. VISIBILITY. Curbside Exterior Mirror Loose and Water Intrusion |
| FT4935 | 2020-09-01. Service bulletin. EQUIPMENT. The VIP relay is part of the radio control system.Buses are out of service due to radio not working or p/a not working. |
| FT4926 | 2020-09-01. Service bulletin. STEERING. Drag links found loose after 35 to 45000 ml. Replace drag links. |
| FT4944 | 2020-09-01. Service bulletin. STRUCTURE. bolts in the rear canopy (under the radiator) are getting loose. The Canopy grid can not fall off the bus due to locking pins . |
| Ft4867R1 | 2020-09-01. Service bulletin. ENGINE AND ENGINE COOLING. failures or intermittent Low hydraulic light coming on in service. Removal of the Hydraulic Oil Level Sensor. |
| FT4892 | 2020-09-01. Service bulletin. ENGINE AND ENGINE COOLING. Fiber material should be Woven Aramid Fabric, but some parts have knitted Aramid. Install new elbow N75007 and discard the old one. |
| FT4936 | 2020-09-01. Service bulletin. ELECTRICAL SYSTEM. The battery beam/arm support located on the bottom of the battery compartment was not installed correctly and allowed the batteries to swivel past the beam and touch the stud. adjust location of the arm support, torque hardware to spec, confirm clearance |
| FT4869 | 2020-08-06. Service bulletin. ENGINE AND ENGINE COOLING; STRUCTURE. Coolant surge tank cover may rub on hose and clamps. |
| FT4890 | 2020-08-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Air Dryer Consep Valve Relay may stuck ON, causing the Consep Valve to stay energised and to overheat. |
| FT4897 | 2020-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Charge air cooler piping leaks and create a low pressure fault code in Cummins ECU. |
| FT4905 | 2020-08-05. Service bulletin. EQUIPMENT. Kidde supply tank hose was found to be missing torque. |
| BS4864E | 2020-08-05. Service bulletin. STRUCTURE; POWER TRAIN:MANUAL TRANSMISSION:FLOOR SHIFT ASSEMBLY. Floor damage around the drive shaft access panel |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.