# Service bulletin TSIB 21\-01

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: 10206198
- Published by NHTSA: 2022\-01\-07
- Manufacturer's number: TSIB 21\-01
- Manufacturer's date: 2021\-12\-14
- NHTSA component: SERVICE BRAKES, HYDRAULIC

## NHTSA's summary

This Technical Service Information Bulletin \(TSIB\) describes an update from Meritor for the bolt torque application requirements on hub\-to\-rotor bolts for the front, drive and tag axles, on specific coaches equipped with Meritor EX225 disc brakes, on either Conventional, PreSet or Unitized Wheel\-End hubs.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10206198-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10206198-9999.pdf)

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

## Components

Brakes

## Vehicles listed

- 2006 to 2021 MCI D4000
- 2019 to 2021 MCI D4000 ISTV
- 2007 to 2018 MCI D4000ISTV
- 2006 to 2021 MCI D4005
- 2018 to 2019 MCI D45 CRT LE
- 2006 to 2021 MCI D4500
- 2006 to 2021 MCI D4505
- 2020 to 2021 MCI D4520
- 2020 to 2021 MCI D45CRTLE
- 2006 to 2014 MCI E4500
- 2006 to 2015 MCI J4500

JSON: [/v1/bulletins/10206198](/v1/bulletins/10206198)

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