# Transport Canada recall 2007265

A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.

- Published by: Transport Canada \(Canada\)
- Campaign number: 2007265
- Manufacturer's number: SC0327
- Reported: 2007\-08\-14
- Component: Brakes
- Notification type: Safety Mfr
- Units potentially affected: 2268

## What is wrong

On certain school and transit buses, the Parker single check valve \(SCV\) that connects with the supply port of the Bendix SR\-7 spring brake modulating valve may become excessively worn and eventually break apart.  Pieces of the Parker SCV can become lodge inside the SR\-7 valve, possibly causing either leakage out of the SR\-7 valve or preventing air from properly exhausting from the SR\-7 valve.  This condition can cause a delay in the application of the parking brakes, the spring brakes not fully releasing or loss of isolation between the primary and secondary circuits.  These conditions can occur without warning, leading to unintended vehicle rollaway, brake drag, or in case of loss of primary circuit, inability to modulate the spring brakes.  An unattended roll away vehicle could strike a bystander or cause property damage.  Correction: Dealers will replace the single check valve \(SCV\).


## Vehicles this campaign lists

- [2005 MACK CHN](/makes/mack/chn/2005/recalls.md)
- [2006 MACK CHN](/makes/mack/chn/2006/recalls.md)
- [2007 MACK CHN](/makes/mack/chn/2007/recalls.md)
- 2008 MACK CHU
- 2006 MACK CTP
- 2004 MACK CV
- 2005 MACK CV
- 2006 MACK CV
- 2007 MACK CV
- 2008 MACK CV
- 2005 MACK CXN
- 2006 MACK CXN
- 2007 MACK CXN
- 2008 MACK CXN
- 2006 MACK CXP
- 2008 MACK CXU
- 2008 MACK GU
- 2008 MACK LEU
- 2008 MACK MRU

## Bulletins for the same vehicles and component

A bulletin is the manufacturer's note to its dealers. It is not part of this recall.

- [CBR 407 072025](/bulletins/11021333.md), 2025-08-04, Service bulletin
- [CBR\-407 202409](/bulletins/11008366.md), 2024-10-03, Service bulletin
- [KC\-593](/bulletins/10210987.md), 2022-05-05, Service bulletin
- [SC\-334](/bulletins/10032312.md), 2010-03-04, Service bulletin

## Check a VIN

- [NHTSA recall lookup by VIN, United States](https://www.nhtsa.gov/recalls)
- [Transport Canada recall search, Canada](https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng)

Contains information licensed under the Open Government Licence – Canada.

JSON: [/v1/recalls/tc/2007265](/v1/recalls/tc/2007265)

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