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Service bulletin FT4892

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10179142
Published by NHTSA2020-09-01
Manufacturer's numberFT4892
Manufacturer's date2020-08-12
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Fiber material should be Woven Aramid Fabric, but some parts have knitted Aramid. Install new elbow N75007 and discard the old one.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
NOVA BUS LFS2018, 2019

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
22V4160002022-06-13. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
20191712019-04-05. Engine

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
LI5316ER22024-02-24. Service bulletin. Crank case vent (CCV) hoses may get damaged over time.
LI5427E2023-12-22. Service bulletin. Improved durability of engine-side heat exchanger hoses.
BS5469E2023-12-22. Service bulletin. The belt guard hinge may crack.
FT46512023-08-17. Service bulletin. Failure of DEF sensor GEN 6 within the expected 5-years lifespan.
BS5320ER12023-04-03. Service bulletin. Fire light coming on in the dash, Fire detection system
BS5379E2023-03-21. Service bulletin. P-clamps holding the transmission coolant pipes can break and cause coolant leaks.
FT52432023-02-25. Service bulletin. ECP radiator failures deemed to be due to overpressure events.
FT52442023-02-25. Service bulletin. ECP radiator failures deemed to be due to overpressure events.
APS5370E2023-02-24. Service bulletin. The Delco-Remy alternator is obsolete.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. Crank case vent (CCV) hoses may get damaged over time.