2004-2008 Mack CHN, Mack Chu and others recall: check valve
Mack Trucks, Inc reported this safety recall on August 15, 2007. It covers about 21,847 vehicles.
- vehicles affected
- 21,847
- reported
- Aug 15, 2007
- owners notified
- Jan 9, 2008
Service brakes, air: supply: check valve
- What is wrong
- On certain trucks equipped with parker single check valves (scv) provided by bendix. The defect exists in the parker scv that connects with the supply port of the sr-7 spring brake modulating valve. After prolonged use of the parker scv, the valve body retainer may become excessively worn and eventually break apart. Pieces of the parker scv can become lodged inside the sr-7 spring brake modulating valve, potentially causing either leakage out of the sr-7 valve or preventing air from properly exhausting from the sr-7 valve.
- Risk
- This condition can cause a delay in the application of the spring brakes to park the vehicle after the operator pulls the dash valve button. These conditions can occur without warning, leading to unintended vehicle rollaway, brake drag, or in the case of loss of primary circuit, inability to modulate the spring brakes.
- Remedy
- Mack is working with bendix to replace the parker single check valve. The recall began on january 9, 2008. Owners may contact bendix at 1‑440‑329‑9000 or mack at 1‑800‑528‑6586.
Recall number 07V361000
Affected vehicles
Questions about recall 07V361000
Is there a recall on the 2004-2008 Mack CHN, Mack Chu and others check valve?
Yes. Recall 07V361000, reported on August 15, 2007, covers about 21,847 vehicles.
What is the fix for recall 07V361000?
Mack is working with bendix to replace the parker single check valve. The recall began on january 9, 2008. Owners may contact bendix at 1‑440‑329‑9000 or mack at 1‑800‑528‑6586.
Is the recall repair free?
Safety recall repairs are done free of charge at authorized dealers. A dealer can confirm with the VIN whether a specific vehicle is included and whether the repair has already been done.
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