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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

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
LI5316ER22024-02-24. Service bulletin. ENGINE AND ENGINE COOLING. Crank case vent (CCV) hoses may get damaged over time.
LI5427E2023-12-22. Service bulletin. ENGINE AND ENGINE COOLING. Improved durability of engine-side heat exchanger hoses.
FT46512023-08-17. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Failure of DEF sensor GEN 6 within the expected 5-years lifespan.
BS5320ER12023-04-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Fire light coming on in the dash, Fire detection system
FT52432023-02-25. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. ECP radiator failures deemed to be due to overpressure events.
APS5370E2023-02-24. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. The Delco-Remy alternator is obsolete. Air cooled ductless (Almott) alternator, power cable and hardware kit to replace the Delco-Remy oil-cooled alternator.
LI5316ER12022-12-22. Service bulletin. ENGINE AND ENGINE COOLING. Crank case vent (CCV) hoses may get damaged over time.
li5316E2022-12-03. Service bulletin. ENGINE AND ENGINE COOLING. Crank case vent (CCV) hoses may get damaged over time.
PC1025R32022-02-04. Service bulletin. ENGINE AND ENGINE COOLING. radiator leaking coolant
PC1025R22022-01-03. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:COOLER/RADIATOR:HOSES AND FITTINGS. Radiator leaking coolant
PC1025R12021-11-04. Service bulletin. ENGINE AND ENGINE COOLING. Radiator leaking coolant
FT4869R12021-04-02. Service bulletin. ENGINE AND ENGINE COOLING. Surge tank cover Chafing on Components
LI4494E2021-03-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE; 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.
LI3978E2021-03-04. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. Information about the engine coolant. Coolant types should not be mixed in the engine.
LI4995E2021-03-04. 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.
Li49982021-02-02. 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.
FT49502020-11-04. Service bulletin. STRUCTURE; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE. Engine door hinge becoming loose
Ft4867R12020-09-01. Service bulletin. ENGINE AND ENGINE COOLING. failures or intermittent Low hydraulic light coming on in service. Removal of the Hydraulic Oil Level Sensor.
FT48922020-09-01. 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.
FT48692020-08-06. Service bulletin. ENGINE AND ENGINE COOLING; STRUCTURE. Coolant surge tank cover may rub on hose and clamps.
FT48972020-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Charge air cooler piping leaks and create a low pressure fault code in Cummins ECU.
FT48512020-06-04. Service bulletin. ENGINE AND ENGINE COOLING. Engine belt guard post may crack
FT48352020-05-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Corrosion in the power cables that feed the Electric Cooling Package
FT47972020-03-09. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. Coolant leak off surge tank fitting
FT4737R22020-01-21. Service bulletin. ENGINE; FUEL SYSTEM, DIESEL: PRE-HEATER. Spheros Pre-Heater / Pre-Heater Regulator Replacement

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.