# Service bulletin FSB 722 006

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: 10200220
- Published by NHTSA: 2021\-08\-09
- Manufacturer's number: FSB 722 006
- Manufacturer's date: 2015\-10\-30
- NHTSA component: EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRONIC STABILITY CONTROL:AUTOMATIC \(ASC\); SUSPENSION

## NHTSA's summary

Twin\-Y Suspension, U\-Bolt, Replacement. For MACK service centers or dealers who are not equipped with HUCK bolt tools, use U\-Bolt \(part number 21759985\) and Nut \(part number 947971\) when replacing the current Twin\-Y Suspension U\-Bolt.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10200220-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10200220-9999.pdf)

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

## Components

Driver assistance, Equipment and accessories, Suspension

## Vehicles listed

- MACK CHU
- MACK CXU

JSON: [/v1/bulletins/10200220](/v1/bulletins/10200220)

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