# Service bulletin BS4857E

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: 10176880
- Published by NHTSA: 2020\-07\-02
- Manufacturer's number: BS4857E
- Manufacturer's date: 2020\-06\-26
- NHTSA component: EQUIPMENT

## NHTSA's summary

The plastic reservoir of the HPU can crack and leak. A leakage could lead to a malfunction of the access ramp.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10176880-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10176880-9999.pdf)

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

## Components

Equipment and accessories

## Vehicles listed

- 2012 to 2013 NOVA BUS LFS ARTIC
- 2017 NOVA BUS LFS ARTIC

## Recalls for the same vehicles and component

- [22V323000](/recalls/nhtsa/22V323000.md), 2022-05-11: EQUIPMENT; EXTERIOR LIGHTING
- [2019172](/recalls/tc/2019172.md), 2019-04-05: Accessories

## Other bulletins for the same vehicles and component

- [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.
- [BS5210ER1](/bulletins/10209688.md), 2022-04-05, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. Horn may fail due to the low internal high heat resistance.
- [FT5055R1](/bulletins/10194809.md), 2021-06-02, Service bulletin: EQUIPMENT. Disconnect the power for the auxiliary heater. short term countermeasure
- [ft5090](/bulletins/10194787.md), 2021-06-02, Service bulletin: EQUIPMENT. Kidde fire suppression system tamper seal
- [BS3554ER3](/bulletins/10194397.md), 2021-05-24, Service bulletin: STRUCTURE:FRAME AND MEMBERS; EQUIPMENT; SUSPENSION. Auxiliary heater intake bracket Justify Auxiliary heater intake pipe mounting bracket might no be able to withstand the vibration induced by the bus frame.
- [BS3538E](/bulletins/10194396.md), 2021-05-24, Service bulletin: EQUIPMENT. Wheelhouse kick\-plates Justify Wheelhouse kick\-plates may come loose.
- [BS3517ER1](/bulletins/10194395.md), 2021-05-24, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM; EQUIPMENT. Replacement of 24\-volt and HVAC cables in EGS Justify cable lugs may break.
- [BS3457E](/bulletins/10194392.md), 2021-05-24, Service bulletin: ENGINE AND ENGINE COOLING; EQUIPMENT; FUEL SYSTEM, GASOLINE. Surge tank coolant supply Justify Coolant supply to MK2 radiator might be erratic and create air pocket in radiator
- [BS3447ER1](/bulletins/10194391.md), 2021-05-24, Service bulletin: FUEL SYSTEM, GASOLINE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Hydraulic tank bushing Justify Hysraulic tank bushing failure after campaign
- [BS3447E](/bulletins/10194390.md), 2021-05-24, Service bulletin: FUEL SYSTEM, GASOLINE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Hydraulic tank bushing \- Justify Hydraulic tank bushing failure after campaign

JSON: [/v1/bulletins/10176880](/v1/bulletins/10176880)

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