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Service bulletins for the 2020 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.

76 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
FT55542024-03-04. Service bulletin. ENGINE AND ENGINE COOLING. The Cabin Coolant Level Sensors for the LOW and HIGH levels are swapped.
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.
BS5469E2023-12-22. Service bulletin. ENGINE AND ENGINE COOLING. The belt guard hinge may crack.
FT54482023-11-01. Service bulletin. ENGINE AND ENGINE COOLING; STEERING. Rework allied motion e-Steering motor. 24V e-steering power supply threads length tolerances might not be respecting to the drawing specifications.
BS5447E2023-11-01. Service bulletin. ENGINE AND ENGINE COOLING; STEERING. Rework allied motion e-Steering motor. 24V e-steering power supply threads length tolerances are not respect to standard.
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.
FT53612023-04-03. Service bulletin. ENGINE AND ENGINE COOLING. Coolant pipe assy failing. The adaptor on the Coolant pipe assembly between the engine and circulation pump broke in service at the beginning of the copper thread.
BS5320ER12023-04-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Fire light coming on in the dash, Fire detection system
BS5381E2023-03-21. Service bulletin. ENGINE AND ENGINE COOLING. P-clamps holding the transmission coolant pipes can break and cause coolant leaks.
BS5379E2023-03-21. Service bulletin. ENGINE AND ENGINE COOLING. P-clamps holding the transmission coolant pipes can break and cause coolant leaks.
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 The Delco-Remy alternator is obsolete.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.
FT53212023-02-03. Service bulletin. STRUCTURE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. The anchor bolt of one of the auxiliary heater high voltage cable retaining collar may come into contact with one of the coolant pipes under certain conditions.
BS5322E2023-02-03. Service bulletin. STRUCTURE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. The anchor bolt of one of the auxiliary heater high voltage cable retaining collar may come into contact with one of the coolant pipes under certain conditions.
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.
FT52732022-06-30. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Bitzer AC compressor electrical failure
BS4934ER12021-08-02. Service bulletin. ENGINE AND ENGINE COOLING. Fiber material should be Woven Aramid Fabric, but some parts have knitted Aramid.
FT50732021-06-02. Service bulletin. ENGINE AND ENGINE COOLING. Clamps are too small for the elbow of the CAC pipe
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.
BS4934E2020-10-02. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. CAC elbow hose failures. Fiber material should be Woven Aramid Fabric, but some parts have knitted Aramid. Installation of new elbow.

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