# Service bulletin LI4774E

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: 10171329
- Published by NHTSA: 2020\-02\-10
- Manufacturer's number: LI4774E
- Manufacturer's date: 2020\-01\-14
- NHTSA component: FUEL SYSTEM, GASOLINE

## NHTSA's summary

Bad torque sequence and engine rail flatness out of tolerance at fuel tank mounts created preload in the chassis leading to premature failure.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10171329-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10171329-9999.pdf)

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

## Components

Fuel system

## Vehicles listed

- 2013 to 2014 NOVA BUS LFS
- 2015 to 2016 NOVA BUS LFS
- 2018 NOVA BUS LFS

## Recalls for the same vehicles and component

- [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

## Other bulletins for the same vehicles and component

- [BS5467E](/bulletins/10244198.md), 2023-10-17, Service bulletin: STRUCTURE; FUEL SYSTEM, GASOLINE. Potential presence of a gap may cause frame crack. Only to perform during a frame crack repair process near front bolt of joint \#2.
- [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.
- [LI5228ER1](/bulletins/10214835.md), 2022-06-30, Service bulletin: FUEL SYSTEM, GASOLINE. DEF tank Head Unit GEN4
- [PC1023](/bulletins/10189657.md), 2021-04-02, Service bulletin: FUEL SYSTEM, DIESEL. DEF level sensor failure
- [PC1022](/bulletins/10189655.md), 2021-04-02, Service bulletin: FUEL SYSTEM, DIESEL. DEF level sensor failure
- [FT4797](/bulletins/10172389.md), 2020-03-09, Service bulletin: FUEL SYSTEM, GASOLINE; ENGINE. Coolant leak off surge tank fitting
- [FT4737R2](/bulletins/10170600.md), 2020-01-21, Service bulletin: ENGINE; FUEL SYSTEM, DIESEL: PRE\-HEATER. Spheros Pre\-Heater / Pre\-Heater Regulator Replacement
- [FT4616](/bulletins/10162329.md), 2019-07-08, Service bulletin: FUEL SYSTEM, GASOLINE. Fuel tank support bracket failure
- [FT4598](/bulletins/10161096.md), 2019-06-10, Service bulletin: ENGINE; FUEL SYSTEM, GASOLINE. Ramp pump assembly with aluminum reservoir cracking
- [LI4289ER1](/bulletins/10135008.md), 2018-04-23, Service bulletin: FUEL SYSTEM, OTHER. Oil filler tube part number superceeded by improved tube

JSON: [/v1/bulletins/10171329](/v1/bulletins/10171329)

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