# Service bulletin SMB191

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: 10175959
- Published by NHTSA: 2020\-06\-02
- Manufacturer's number: SMB191
- Manufacturer's date: 2020\-05\-06
- NHTSA component: ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

## NHTSA's summary

Service Manual Bulletin \- Changes to Cummins ISLG and L9N engine oil specifications and oil change intervals.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10175959-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10175959-9999.pdf)

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

## Components

Engine, Equipment and accessories, Labels and manuals

## Vehicles listed

- 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/10175959](/v1/bulletins/10175959)

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