# Service bulletin FT5448

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.

- Type: Service bulletin
- NHTSA id: 10244594
- Published by NHTSA: 2023\-11\-01
- Manufacturer's number: FT5448
- Manufacturer's date: 2023\-10\-31
- NHTSA component: ENGINE AND ENGINE COOLING; STEERING

## NHTSA's summary

Rework allied motion e\-Steering motor. 24V e\-steering power supply threads length tolerances might not be respecting to the drawing specifications.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10244594-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10244594-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Steering

## Vehicles listed

- 2020 to 2021 NOVA BUS LFS

## Recalls for the same vehicles and component

- [25V822000](/recalls/nhtsa/25V822000.md), 2025-11-28: ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP
- [2025384](/recalls/tc/2025384.md), 2025-07-22: Steering
- [25V476000](/recalls/nhtsa/25V476000.md), 2025-07-22: STEERING:ELECTRIC POWER ASSIST SYSTEM
- [24V231000](/recalls/nhtsa/24V231000.md), 2024-03-27: ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
- [2022649](/recalls/tc/2022649.md), 2022-11-15: Steering
- [22V845000](/recalls/nhtsa/22V845000.md), 2022-11-15: STEERING:CRITICAL FASTENERS
- [22V416000](/recalls/nhtsa/22V416000.md), 2022-06-13: ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
- [2021568](/recalls/tc/2021568.md), 2021-08-31: Steering
- [2021458](/recalls/tc/2021458.md), 2021-07-27: Engine
- [2021057](/recalls/tc/2021057.md), 2021-02-10: Steering

## Other bulletins for the same vehicles and component

- [BS5580E](/bulletins/10253692.md), 2024-04-30, 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.
- [FT5554](/bulletins/10251113.md), 2024-03-04, Service bulletin: ENGINE AND ENGINE COOLING. The Cabin Coolant Level Sensors for the LOW and HIGH levels are swapped.
- [LI5316ER2](/bulletins/10250586.md), 2024-02-24, Service bulletin: ENGINE AND ENGINE COOLING. Crank case vent \(CCV\) hoses may get damaged over time.
- [BS5511E](/bulletins/10247619.md), 2023-12-22, 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.
- [LI5427E](/bulletins/10247614.md), 2023-12-22, Service bulletin: ENGINE AND ENGINE COOLING. Improved durability of engine\-side heat exchanger hoses.
- [BS5469E](/bulletins/10247612.md), 2023-12-22, Service bulletin: ENGINE AND ENGINE COOLING. The belt guard hinge may crack.
- [BS5447E](/bulletins/10244593.md), 2023-11-01, 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.
- [FT4651](/bulletins/10240760.md), 2023-08-17, Service bulletin: FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Failure of DEF sensor GEN 6 within the expected 5\-years lifespan.
- [FT5405](/bulletins/10239093.md), 2023-07-12, Service bulletin: STEERING. Power steering lines chaffing the rear shell.
- [FT5404E](/bulletins/10239092.md), 2023-07-12, Service bulletin: STEERING. There is a potential restriction of fluid due to an improperly placed clamp which could cause the power steering system to not operate has intended.

JSON: [/v1/bulletins/10244594](/v1/bulletins/10244594)

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