# Service bulletin BS3457E

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: 10194392
- Published by NHTSA: 2021\-05\-24
- Manufacturer's number: BS3457E
- Manufacturer's date: 2017\-01\-21
- NHTSA component: ENGINE AND ENGINE COOLING; EQUIPMENT; FUEL SYSTEM, GASOLINE

## NHTSA's summary

Surge tank coolant supply Justify Coolant supply to MK2 radiator might be erratic and create air pocket in radiator

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10194392-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10194392-9999.pdf)

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

## Components

Engine, Equipment and accessories, Fuel system

## Vehicles listed

- 2017 NOVA BUS LFS
- 2017 NOVA BUS LFS ARTIC

## Recalls for the same vehicles and component

- [22V323000](/recalls/nhtsa/22V323000.md), 2022-05-11: EQUIPMENT; EXTERIOR LIGHTING
- [2021286](/recalls/tc/2021286.md), 2021-05-14: Fuel System
- [21V351000](/recalls/nhtsa/21V351000.md), 2021-05-14: FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL
- [2019172](/recalls/tc/2019172.md), 2019-04-05: Accessories
- [2019171](/recalls/tc/2019171.md), 2019-04-05: Engine

## Other bulletins for the same vehicles and component

- [LI5427E](/bulletins/10247614.md), 2023-12-22, Service bulletin: ENGINE AND ENGINE COOLING. Improved durability of engine\-side heat exchanger hoses.
- [FT5463](/bulletins/10242846.md), 2023-09-26, Service bulletin: VISIBILITY; EQUIPMENT. Failure of camera bracket will cause the camera to swing while bus is in motion.
- [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.
- [FT5243](/bulletins/10231883.md), 2023-02-25, Service bulletin: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. ECP radiator failures deemed to be due to overpressure events.
- [APS5370E](/bulletins/10231881.md), 2023-02-24, 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 The Delco\-Remy alternator is obsolete.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.
- [BS5210ER1](/bulletins/10209688.md), 2022-04-05, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. Horn may fail due to the low internal high heat resistance.
- [PC1025R3](/bulletins/10206967.md), 2022-02-04, Service bulletin: ENGINE AND ENGINE COOLING. radiator leaking coolant
- [PC1025R2](/bulletins/10205864.md), 2022-01-03, Service bulletin: ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:COOLER/RADIATOR:HOSES AND FITTINGS. Radiator leaking coolant
- [PC1025R1](/bulletins/10202865.md), 2021-11-04, Service bulletin: ENGINE AND ENGINE COOLING. Radiator leaking coolant
- [FT5055R1](/bulletins/10194809.md), 2021-06-02, Service bulletin: EQUIPMENT. Disconnect the power for the auxiliary heater. short term countermeasure

JSON: [/v1/bulletins/10194392](/v1/bulletins/10194392)

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