# Service bulletin TSIB 20\-01

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: 10174502
- Published by NHTSA: 2020\-05\-01
- Manufacturer's number: TSIB 20\-01
- Manufacturer's date: 2020\-04\-03
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Technical Service Information Bulletin describing changes to the Cummins ISLG, L9N, ISB6.7G and B6.7N engine oil specifications.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174502-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174502-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2011 NABI 35LFW
- 2011 NABI 40LFW
- 2014 to 2015 NABI 40LFW
- 2010 to 2011 NABI 42BRT
- 2014 NABI 42BRT
- 2011 to 2013 NABI 60BRT
- 2015 NABI 60BRT
- 2001 to 2002 NEW FLYER C30LF
- 2004 to 2005 NEW FLYER C30LF
- 1998 to 1999 NEW FLYER C35LF
- 2001 to 2002 NEW FLYER C35LF
- 2004 to 2009 NEW FLYER C35LF
- 2009 to 2012 NEW FLYER C35LFR
- 2012 NEW FLYER C40FLR
- 1996 to 1997 NEW FLYER C40HF
- 1996 to 2013 NEW FLYER C40LF
- 2006 to 2013 NEW FLYER C40LFR
- 1998 NEW FLYER L40LF
- 2004 to 2006 NEW FLYER L40LF
- 2009 NEW FLYER L40LFR
- 2013 to 2020 NEW FLYER XN35
- 2011 to 2020 NEW FLYER XN40
- 2010 to 2020 NEW FLYER XN60

JSON: [/v1/bulletins/10174502](/v1/bulletins/10174502)

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