# Service bulletin FSB 511\-002

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: 10081449
- Published by NHTSA: 2016\-10\-04
- Manufacturer's number: FSB 511\-002
- Manufacturer's date: 2014\-08\-27
- NHTSA component: SERVICE BRAKES, AIR:DRUM; SERVICE BRAKES, AIR:DRUM:SHOES/LININGS

## NHTSA's summary

Brake Drum, Replacement \(Steer Axle\) Some MACK CHU, CXU, GU, and TD trucks built between 08/29/2011 and 06/30/2014, equipped with a MACK 14.6k steer axle, unitized hub, and 152 mm \(6.0 in\) wide Bendix brake shoes can show signs of brake shoe protrusion beyond the brake drum. This condition is resolved by installing new 152 mm \(6.0 in\) brake shoes, 178 mm \(7.0 in\) wide brake drums \(20536276\), new dust shields, and replace the existing Z\-Brackets.

## 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

Brakes, Brake drums and shoes

## Vehicles listed

- 2013 to 2015 MACK CHU
- 2012 MACK CMH
- 2012 to 2015 MACK CXU
- 2012 to 2015 MACK GU
- 2012 to 2015 MACK TD

JSON: [/v1/bulletins/10081449](/v1/bulletins/10081449)

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