# Service bulletin FSB 593\-014

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: 10082801
- Published by NHTSA: 2016\-10\-18
- Manufacturer's number: FSB 593\-014
- Manufacturer's date: 2014\-12\-11
- NHTSA component: SERVICE BRAKES

## NHTSA's summary

GRADE GRIPPER QUICK RELEASE VALVE, REPLACEMENT. ON SOME MACK CHU, CXU, AND GU TRUCKS BUILT BETWEEN 04/31/2008 AND 01/05/2015, AND EQUIPPED WITH THE GRADE GRIPPER FUNCTION MAY EXPERIENCE A SLOW RELEASE OF THE TRAILER’S SERVICE BRAKES. ADDITIONALLY, A DELAY IN THE RELEASE OF THE GRADE GRIPPER FUNCTION MAY BE CAUSED BY CERTAIN TRUCK OPTIONS AND TRAILER COMBINATIONS USED BY THE OPERATOR.

## 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

## Vehicles listed

- 2009 to 2016 MACK CHU
- 2009 to 2016 MACK CXU
- 2009 to 2016 MACK GU

JSON: [/v1/bulletins/10082801](/v1/bulletins/10082801)

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