Air Bypass Valve 20-403 Recalls

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NHTSA Campaign Number: 01E018000
Manufacturer: ADVANCED ENGINE MANAGEMENT
Manufactured Begin Date: August 1st, 2000
Manufactured End Date: January 31st, 2001
Date of Owner Notification: April 26th, 2001

Defect Summary:
EQUIPMENT DESCRIPTION: AIR BYPASS VALVES PART NOS. 20-401, 20-402, AND 20-403, SOLD BETWEEN AUGUST 1, 2000, AND JANUARY 31, 2001, FOR INSTALLATION ON PASSENGER VEHICLES TO PREVENT INGESTION OF WATER INTO THE ENGINE. THE VALVES ARE CONSTRUCTED OF TWO PLASTIC PIECES SONICALLY WELDED WITH A SILICON DIAPHRAGM AND FOAM SPRING. THE WELD SEAM CAN CRACK UNDER HIGH STRESS LOADS AND THE VALVE'S INTERNAL DIAPHRAGM AND SPRING MAY BE INGESTED INTO THE THROTTLE BODY, WHICH IN TURN, MAY CAUSE THE THROTTLE TO STICK OPEN.

Consequence Summary:
IF THE THROTTLE IS UNABLE TO RETURN TO THE CLOSED POSITION, THE DRIVER MAY LOSE CONTROL OF THE VEHICLE POSSIBLY RESULTING IN A VEHICLE CRASH.

Corrective Summary:
AEM WILL NOTIFY AND PROVIDE TO ITS CUSTOMERS A FREE RETAINING CLIP TO PREVENT INGESTION OF THE DIAPHRAGM/FOAM PIECES INTO THE THROTTLE BODY SHOULD THE VALVE SEPARATE. OWNER NOTIFICATION BEGAN APRIL 26, 2001. OWNERS WHO DO NOT RECEIVE THE FREE CLIP WITHIN A REASONABLE TIME SHOULD CONTACT AEM AT 310-484-2322X500.

Recall Notes:
ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).