# Service bulletin M\-451\-002

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: 10219082
- Published by NHTSA: 2022\-09\-01
- Manufacturer's number: M\-451\-002
- Manufacturer's date: 2022\-08\-06
- NHTSA component: SUSPENSION

## NHTSA's summary

2009 Document reformatted to be published as a TSB in Impact. Axle Carrier Pinion Angles

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10219082-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10219082-9999.pdf)

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

## Components

Suspension

## Vehicles listed

- 2006 to 2018 MACK CHU
- 2006 to 2018 MACK CXU
- 2007 to 2016 MACK GRANITE \(GU\)
- 2017 MACK GRANITE \(GU\)
- 2006 to 2018 MACK GU
- 2007 to 2017 MACK LEU
- 2007 to 2018 MACK MRU
- 2007 to 2016 MACK PINNACLE \(CHU\)
- 2017 to 2022 MACK PINNACLE \(CHU\)
- 2007 to 2016 MACK PINNACLE \(CXU\)
- 2017 to 2022 MACK PINNACLE \(CXU\)
- 2012 to 2016 MACK TERRAPRO \(LEU\)
- 2007 to 2016 MACK TERRAPRO \(LEU/MRU\)
- 2017 to 2019 MACK TERRAPRO \(LEU/MRU\)
- 2011 to 2016 MACK TERRAPRO \(MRU\)
- 2017 to 2022 MACK TERRAPRO \(MRU\)
- 2009 to 2018 MACK TITAN \(TD\)

## Recalls for the same vehicles and component

- [16V929000](/recalls/nhtsa/16V929000.md), 2016-12-23: SUSPENSION:FRONT:HUB

## Other bulletins for the same vehicles and component

- [CBR 2246\-5 032026](/bulletins/11030583.md), 2026-04-02, Service bulletin: SUSPENSION. CBR \- Z Spring Bracket Wear.
- [CBR\-2016 202412](/bulletins/11012156.md), 2025-01-02, Service bulletin: SUSPENSION. Frame lean can be caused by several seemingly isolated possibilities. The two most common are suspension and frame assembly issues.
- [CBR\-2014 202402](/bulletins/10251328.md), 2024-03-05, Service bulletin: SUSPENSION. CBR \- Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust \- Chassis Built 2016w01 And Newer.
- [CBR\-2016 202401](/bulletins/10249551.md), 2024-02-02, Service bulletin: STRUCTURE; SUSPENSION. CBR: Frame Or Cab Lean
- [M728\-005A 202308](/bulletins/10241946.md), 2023-09-06, Service bulletin: SUSPENSION. TSB: Barksdale Leveling Valve, Leak Test
- [KC\-2292](/bulletins/10238830.md), 2023-07-06, Service bulletin: SUSPENSION. Vehicles Equipped With Chalmers Suspension \- Frame Bracket Hardware Loose or Interfering
- [KC\-2016](/bulletins/10233493.md), 2023-04-04, Service bulletin: SUSPENSION. Frame Or Cab Lean \- Gen II Chassis
- [KC\-2244](/bulletins/10232610.md), 2023-03-07, Service bulletin: STRUCTURE:FRAME AND MEMBERS; SUSPENSION. Mack Model TE,LR \- Frame Over Height
- [KC\-2253](/bulletins/10232597.md), 2023-03-07, Service bulletin: SUSPENSION. Barksdale Height Control Valve Troubleshooting Guide
- [KC\-2253](/bulletins/10232585.md), 2023-03-06, Service bulletin: SUSPENSION. Barksdale Height Control Valve Troubleshooting Guide

JSON: [/v1/bulletins/10219082](/v1/bulletins/10219082)

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