# Service bulletin BS5447E

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: 10244593
- Published by NHTSA: 2023\-11\-01
- Manufacturer's number: BS5447E
- 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 are not respect to standard.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10244593-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10244593-9999.pdf)

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

## Components

Engine, Steering

## Vehicles listed

- 2020 to 2022 NOVA BUS LFS

## Recalls for the same vehicles and component

- [2026424](/recalls/tc/2026424.md), 2026-09-03: Engine
- [26V573000](/recalls/nhtsa/26V573000.md), 2026-09-03: ENGINE AND ENGINE COOLING:COOLING SYSTEM
- [2026107](/recalls/tc/2026107.md), 2026-03-10: Engine
- [25V822000](/recalls/nhtsa/25V822000.md), 2025-11-28: ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP
- [2025539](/recalls/tc/2025539.md), 2025-10-09: Engine
- [2025384](/recalls/tc/2025384.md), 2025-07-22: Steering
- [25V476000](/recalls/nhtsa/25V476000.md), 2025-07-22: STEERING:ELECTRIC POWER ASSIST SYSTEM
- [24V873000](/recalls/nhtsa/24V873000.md), 2024-11-19: ENGINE AND ENGINE COOLING:COOLING SYSTEM
- [24V231000](/recalls/nhtsa/24V231000.md), 2024-03-27: ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
- [23V481000](/recalls/nhtsa/23V481000.md), 2023-07-12: STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS

## Other bulletins for the same vehicles and component

- [BS5571E](/bulletins/10253694.md), 2024-04-30, Service bulletin: ENGINE AND ENGINE COOLING. The HVAC generator engine pulley has bolts that are too long.
- [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.
- [BS5572E](/bulletins/10252145.md), 2024-03-29, Service bulletin: ENGINE AND ENGINE COOLING; UNKNOWN OR OTHER. Water Sensor in E\-Steering Compartment.
- [BS5572E](/bulletins/10252144.md), 2024-03-29, Service bulletin: UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING. Water Sensor in E\-Steering Compartment.
- [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.
- [FT5531R1](/bulletins/10250588.md), 2024-02-24, Service bulletin: ENGINE AND ENGINE COOLING. Oil level creating different issues, Cummins recommendation following few parts issues.
- [LI5316ER2](/bulletins/10250586.md), 2024-02-24, Service bulletin: ENGINE AND ENGINE COOLING. Crank case vent \(CCV\) hoses may get damaged over time.
- [FT5539](/bulletins/10250584.md), 2024-02-24, Service bulletin: ENGINE AND ENGINE COOLING. Buses logging cabin and engine coolant pressure codes as reported by Clever Device.
- [FT5531](/bulletins/10249455.md), 2024-01-31, Service bulletin: ENGINE AND ENGINE COOLING. Oil level creating different issues in service. Cummins recommendation following few parts issues in service.
- [BS5490E](/bulletins/10249039.md), 2024-01-20, Service bulletin: ENGINE AND ENGINE COOLING. Fuse holder for the electric cooling fans require an improve protection against road debris.

JSON: [/v1/bulletins/10244593](/v1/bulletins/10244593)

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