# Service bulletin PI\-0789

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: 10044821
- Published by NHTSA: 2012\-08\-01
- Manufacturer's number: PI\-0789
- Manufacturer's date: 2012\-06\-01
- NHTSA component: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION:LINES AND FITTINGS

## NHTSA's summary

MACK TRUCK: INFORMATION REGARDING THE SLEEPER CAB SUSPENSION LEVELING VALVE BRACKET THAT WAS INSTALLED INCORRECTLY. ALSO, THE SUPPORT BRACKET FOR AIR SPRING, INCORRECTLY MOUNTED ON FRAME, CAUSING CAB SHOCK TO EXTEND FULLY WHEN AIR SPRING IS INFLATED. \*PE

## 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

Suspension, Air suspension

## Vehicles listed

- 2012 to 2013 MACK GRANITE \(GU\)
- 2006 to 2011 MACK GU

JSON: [/v1/bulletins/10044821](/v1/bulletins/10044821)

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