3 recalls found. |
DEFECT #1 - PARKING BRAKE:CONVENTIONAL:AIR
Posted on: 2006-06-28
Description
On certain trucks equipped with sr-7 bendix brake valves, the check valve inside the valve cavity may not properly set, causing internal air leakage. If the check valve does not properly seat, the resulting leakage can cause a delay in the application of the spring brakes to park the vehicle after operator pulls the dash valve button.
Consequence
The delayed parking brake application can occur without warning, leading to unintended vehicle rollaway increasing the risk of a crash.
Corrective Action
Dealers will inspect the valves and replace it free of charge. The recall began on august 14, 2006. Owners may contact mack trucks at 1-800-528-6586.
Notes
Mack trucks recall no. Sc0336 (sc0313).customers can also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to http://www.safercar.gov.
DEFECT #2 - SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE
Posted on: 2008-03-27
Description
Mack is recalling 218 my 2006-2007 mr trucks. A check valve was omitted from the secondary supply port of the sr-7 spring brake modulating valve.
Consequence
As a result, an air leak in the secondary or primary system may result in the park brakes inadvertently applying, increasing the risk of a crash.
Corrective Action
Dealers will add a check valve to the secondary supply port of the sr-7 spring brake modulating valve and will also repair the sr-7 valve by applying a check valve repair kit as required for the bendix safety recall (please see 07e-037). The recall began on april 15, 2008. Owners may contact mack at 1-800-528-6586.
Notes
Mack recall no. Sc0337.customers may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to http://www.safercar.gov.
DEFECT #3 - PARKING BRAKE
Posted on: 2007-08-16
Description
On certain trucks equipped with bendix sr-7 spring brake modulating valves, the internal rubber check valve may leak causing a delay in the application of the spring brakes to park the vehicle after the operator pulls the dash valve button.
Consequence
This could delay or failure in applying the parking brakes which could result in a vehicle roll away, increasing the risk of a crash.
Corrective Action
Mack is working with bendix to repair these vehicles (please see 07e037). Bendix will install a check valve repair kit for the affected sr-7 spring brake modulating valve free of charge. The recall began on january 10, 2008. Owners may contact bendix at 1-440-329-9000 or mack at 1-800-528-6586.
Notes
Mack recall no. Sc0335 (sc0328).customers may contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty: 1-800-424-9153); or go to http://www.safercar.gov.