2001 Mack Mr Recalls

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NHTSA Campaign Number: 04V258000
Manufacturer: Mack Trucks, Inc.

Defect Summary:
ON CERTAIN CLASS 8 CHASSIS BUILT WITH HENDRICKSON LIFT AXLES WHICH CONTAINED WEBB BRAKE DRUMS, THE BRAKE DRUMS COULD EXPERIENCE PREMATURE CRACK OF THE BRAKING SURFACE RESULTING IN REDUCTION OR COMPLETE LOSS OF BRAKING ON THAT WHEEL END OR LOSS OF BRAKE DRUM PIECES.

Consequence Summary:
LOSS OF BRAKING ABILITY COULD RESULT IN A VEHICLE CRASH, POSSIBLY CAUSING INJURIES OR DEATH.

Corrective Summary:
WEBB WHEEL IS CONDUCTING THE OWNER NOTIFICATION AND REMEDY FOR THIS CAMPAIGN. WEBB WILL NOTIFY CUSTOMERS, INSPECT THE BRAKE DRUMS AND REPLACE ANY DRUMS THAT FAIL INSPECTION. OWNERS SHOULD CONTACT WEBB AT 1-800-633-3256 OR MACK AT 1-610-709-3337.

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

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NHTSA Campaign Number: 04V159000
Manufacturer: Mack Trucks, Inc.
Manufacturer Campaign Number: SC0287
Manufactured Begin Date: April 26th, 1995
Manufactured End Date: February 9th, 2004
Date of Owner Notification: April 6th, 2004

Defect Summary:
ON CERTAIN CHASSIS BUILT WITH LNG ENGINES, THE NEXGEN LNG TANK'S PRIMARY AND SECONDARY RELIEF VALVES COULD FAIL TO OPEN AND RELIEVE TANK PRESSURE.

Consequence Summary:
THIS COULD CAUSE ICE BUILDUP ON THE DISCHARGE SIDE OF THE PRIMARY AND SECONDARY PRESSURE SYSTEM ALLOWING THE RELIEF SYSTEM TO FREEZE AND BECOME BLOCKED RESULTING IN OVER PRESSURIZATION OF THE LNG TANKS CREATING THE RISK OF CATASTROPHIC TANK RUPTURE WHICH COULD CAUSE SERIOUS INJURY OR DEATH.

Corrective Summary:
DEALERS WILL RETROFIT THE LNG TANKS WITH A NEW PRIMARY RELIEF VALVE PIPE AWAY TUBE AND A NEW VENTILATED SHROUD. THE RECALL BEGAN APRIL 6, 2004. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT MACK AT 1-610-709-3337.

Recall Notes:
MACKRECALL NO SC0287.CUSTOMERS CAN CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).

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NHTSA Campaign Number: 01V189004
Manufacturer: Mack Trucks, Inc.
Manufactured Begin Date: September 19th, 2000
Manufactured End Date: March 30th, 2001
Date of Owner Notification: November 16th, 2001

Defect Summary:
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH CERTAIN MERITOR-WABCO BRAKE SYSTEM TWO AND FOUR PORT RELAY VALVES. THE VALVE MAY STICK OPEN WHEN A HIGH-PRESSURE APPLICATION IS RELEASED.

Consequence Summary:
WHEN THE VALVE STICKS OPEN, IT CAN RESULT IN A TOTAL LOSS OF AIR FROM EITHER THE SERVICE OR THE PARK BRAKE SYSTEM. THE DRIVER MAY LOSE BRAKING ABILITY UNDER A SERVICE APPLICATION, POSSIBLY RESULTING IN A VEHICLE CRASH.

Corrective Summary:
DEALERS WILL REPLACE THESE VALVES. OWNER NOTIFICATION BEGAN NOVEMBER 16, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT MACK AT 1-610-709-3011 OR MERITOR WABCO AT 800-535-5560.

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