# Service bulletin FSB 873\-021

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: 10116225
- Published by NHTSA: 2017\-08\-25
- Manufacturer's number: FSB 873\-021
- Manufacturer's date: 2017\-06\-21
- NHTSA component: EQUIPMENT:APPLIANCE:AIR CONDITIONER

## NHTSA's summary

On some LR models using CNG fuel, the HVAC air filter may prematurely clog with dirt and water. This is due to its location and increased vulnerability under the cab.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10116225-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10116225-0001.pdf)

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

## Components

Equipment and accessories, Heating and air conditioning

## Vehicles listed

- MACK LR

JSON: [/v1/bulletins/10116225](/v1/bulletins/10116225)

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