# Service bulletin M\-237\-001

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: 10225644
- Published by NHTSA: 2022\-11\-03
- Manufacturer's number: M\-237\-001
- Manufacturer's date: 2022\-10\-19
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

2008 document reformatted to be published as a TSB in Impact. Injector copper sleeves.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10225644-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10225644-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2006 to 2008 MACK CHU
- 2006 to 2008 MACK CXU
- 2007 to 2008 MACK GRANITE \(GU\)
- 2006 to 2008 MACK GU
- 2007 to 2008 MACK LEU
- 2007 to 2008 MACK MRU
- 2007 to 2008 MACK PINNACLE \(CHU\)
- 2007 to 2008 MACK PINNACLE \(CXU\)
- 2007 to 2008 MACK TERRAPRO \(LEU/MRU\)

JSON: [/v1/bulletins/10225644](/v1/bulletins/10225644)

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