Wabco Park Brake Relay Valve Recalls

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NHTSA Campaign Number: 01E020001
Manufacturer: MERITOR WABCO VEHICLE CONTROL SYSTEMS
Manufactured Begin Date: September 19th, 2000
Manufactured End Date: February 10th, 2001
Date of Owner Notification: July 2nd, 2001

Defect Summary:
EQUIPMENT DESCRIPTION: TWO AND FOUR PORT RELAY VALVES MANUFACTURED BETWEEN SEPTEMBER 19, 2000, AND FEBRUARY 10, 2001. THESE VALVES ARE USED TO CONTROL EITHER THE SERVICE BRAKE SYSTEM OR PARK BRAKE SYSTEMS ON TRACTORS, TRUCKS, AND TRAILERS. THE VALVE MAY STICK OPEN WHEN A HIGH- PRESSURE APPLICATION IS RELEASED. THESE VALVES CAN BE IDENTIFIED WITH A DATE CODE ON THE VALVE OF 380K, 390K, 400K, 410K, 420K, 430K, 440K, 450K, 460K, 470K, 480K, 490K, 500K, 510K, 520K, 011K, 021K, 031K, 041K, 051K, OR 061K, AND ARE DARK GREEN IN COLOR. WHEN THE VALVE STICKS OPEN, IT CAN RESULT IN A TOTAL LOSS OF AIR FROM EITHER THE SERVICE OR THE PARK BRAKE SYSTEM.

Consequence Summary:
THE DRIVER MAY LOSE BRAKING ABILITY UNDER A SERVICE APPLICATION, POSSIBLY RESULTING IN A VEHICLE CRASH.

Corrective Summary:
MERITOR WABCO WILL CONTACT THE AFFECTED VEHICLE MANUFACTURERS AND REQUEST THAT THEY NOTIFY VEHICLE OWNERS TO HAVE THE AFFECTED RELAY VALVES REPLACED OR REBUILT FREE OF CHARGE.

Recall Notes:
OEM'S WERE NOTIFIED .OWNER NOTIFICATION BEGAN JULY 2, 2001.IF YOU TAKE YOUR VEHICLE TO AN AUTHORIZED DEALER AT THE AGREED UPON SERVICE AND DO NOT RECEIVE THE REMEDY WITHIN A REASONABLE TIME, YOU SHOULD CONTACT MERITOR WABCO AT 800-535-5560.ALSO, YOU MAYCONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).