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Service bulletins for the 2021 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.

102 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
BS5580E2024-04-30. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. One fire suppression system pipe may be installed backwards and interfere with an alternator cable, creating friction that could damage one or both components.
FT55542024-03-04. Service bulletin. ENGINE AND ENGINE COOLING. The Cabin Coolant Level Sensors for the LOW and HIGH levels are swapped.
BS5511E2023-12-22. Service bulletin. ENGINE AND ENGINE COOLING. The EGR cooling hose N95062-48 is not rated for the engine compartment temperature. Under certain conditions the EGR cooling hose may crack and cause coolant leak.
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.
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
BS5380E2023-04-03. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Fire light coming on in the dash, Fire detection system.
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.
FT5237R22022-08-31. Service bulletin. ENGINE AND ENGINE COOLING. Difficulty in removing the engine air filter housing cover affecting ease of serviceability of the filter.
FT52732022-06-30. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Bitzer AC compressor electrical failure
FT5190R12022-06-04. Service bulletin. ENGINE AND ENGINE COOLING. Coolant leaks at supplier fittings
FT5199R22022-05-05. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:SEALS/GASKETS. Gasket N55895 not installed in production (exhaust system)
FT52372022-04-05. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Difficulty in removing the engine air filter housing cover
FT52322022-03-03. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Engine temperature too low. Engine code 3243
FT5199R12022-03-03. Service bulletin. ENGINE AND ENGINE COOLING. Missing gasket at flexible joint below
BS5209ER12022-02-04. Service bulletin. ENGINE AND ENGINE COOLING. Rotron coolant pump. Burr on the flange might result in a coolant leakage. Nord-Lock washers may be missing.
FT51912021-10-05. Service bulletin. ENGINE AND ENGINE COOLING. Coolant Pipe Leaks at Solder Joint
FT50872021-06-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Grid heater cable missing its red boot

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