# Service bulletin S7431

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: 10168988
- Published by NHTSA: 2019\-12\-09
- Manufacturer's number: S7431
- Manufacturer's date: 2019\-11\-01
- NHTSA component: STEERING

## NHTSA's summary

STEERING DRAG LINK CASTLE NUT INSPECTION

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10168988-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10168988-9999.pdf)

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

## Components

Steering

## Vehicles listed

- MACK ASET
- MACK CH
- MACK CHK SERIES
- MACK CHU
- MACK CL
- MACK CLASS 6
- MACK CLASS 7
- MACK CLASS 8
- MACK CRD SERIES
- MACK CRD112/113
- MACK CRD200
- MACK CRD92/93
- MACK CS 300
- MACK CS 300P
- MACK CS SERIES
- MACK CV
- MACK CX
- MACK CXU
- MACK DM
- MACK DM SERIES
- MACK DM400
- MACK DM600
- MACK DM807
- MACK DM809
- MACK DM811
- MACK DMM SERIES
- MACK E6
- MACK E7
- MACK F SERIES
- MACK FDM
- MACK FREEDOM
- MACK GU
- MACK J\-TECH
- MACK LE
- MACK LR
- MACK M35AK
- MACK M65BX
- MACK MACK
- MACK MB SERIES
- MACK MC400
- MACK MC600
- MACK MH
- MACK MIDLINER
- MACK MIDR
- MACK MR
- MACK MR SERIES
- MACK MR400
- MACK MR600
- MACK MS SERIES
- MACK MS200P
- MACK MS300
- MACK MS300P
- MACK R
- MACK RB
- MACK RD
- MACK RD SERIES
- MACK RM SERIES
- MACK RW SERIES
- MACK SR70
- MACK T200
- MACK T2060A
- MACK T2090L
- MACK T2090LR
- MACK T300
- MACK TD
- MACK U
- MACK V\-MAC
- MACK V\-MAC III
- MACK WL
- MACK WS

JSON: [/v1/bulletins/10168988](/v1/bulletins/10168988)

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