# Service bulletin FSB 873\-019

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: 10083024
- Published by NHTSA: 2016\-10\-20
- Manufacturer's number: FSB 873\-019
- Manufacturer's date: 2015\-05\-11
- NHTSA component: EQUIPMENT

## NHTSA's summary

HEATER BLOWER MOTOR RELAY, REPLACEMENT. ON SOME MACK LEU TRUCKS BUILT BETWEEN 10/16/2008 AND 9/29/2014, CONTINUOUS USE OF THE HEATER BLOWER MOTOR CAN CAUSE FAILURE OF THE HEATER BLOWER MOTOR RELAY AND WIRE TERMINALS. IF THE BLOWER MOTOR IS INOPERABLE, INSPECT THE FUSE BLOCK, RELAY, TERMINALS, AND WIRES. IF ANY COMPONENT SHOW SIGNS OF EXCESSIVE HEAT \(DISCOLORED AND MELTED PLASTIC\), THE RELAY BLOCK ASSEMBLY MUST BE REPLACED WITH PART NUMBER 22572078.

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Equipment and accessories

## Vehicles listed

- 2009 to 2015 MACK LEU

JSON: [/v1/bulletins/10083024](/v1/bulletins/10083024)

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