ON SOME HEAVY DUTY CLASS 8 VEHICLES EQUIPPED WITH ARVINMERITOR AXLE ASSEMBLIES WHICH MAY HAVE BEEN MANUFACTURED WITH TRW MODEL 20EDL BALL SOCKETS, THE TIE ROD BALL-SOCKET BEARINGS HAVE A BELOW SPECIFICATION CASE DEPTH AND/OR HARDNESS WHICH CAN LEAD TO PREMATURE WEAR OUT OF THE SOCKET IN SOME APPLICATIONS.
Safety risk
IF THIS CONDITION OCCURS, THE DRIVER CAN LOSE STEERING CONTROL, POSSIBLY RESULTING IN A VEHICLE CRASH.
Manufacturer remedy
DEALERS WILL REPLACE THE BALL SOCKET ASSEMBLIES. THIS CAMPAIGN WILL SUPERSEDE NHTSA RECALL NOS. 01V-140-005 (MACK SC0270) AND 00V-246-103 (MACK SC0262). OWNER NOTIFICATION BEGAN DECEMBER 27, 2002. 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 610-709-3337.
ON CERTAIN HEAVY DUTY TRUCKS EQUIPPED WITH DANA SPICER TANDEM DRIVE AXLE MODELS DS463, AN UNDERSIZED ATTACHMENT WELD MAY FRACTURE WITHOUT WARNING.
Safety risk
THE LOSS OF THIS ATTACHMENT TO THE VEHICLE CHASSIS CAN ADVERSELY AFFECT VEHICLE HANDLING OR DRIVER CONTROL.
Manufacturer remedy
THE DEALERS WILL REMOVE THE SUSPECT BRACKET, INSPECT THE AXLE HOUSING, AND REWELD THE BRACKET TO THE AXLE HOUSING. OWNER NOTIFICATION BEGAN APRIL 22, 2002. 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 610-709-3337.
VEHICLE DESCRIPTION: CLASS A HEAVY DUTY TRUCKS WITH 18,000 LB. FRONT AXLES MAY HAVE FRONT SPRINGS INSTALLED THAT ARE RATED FOR THE 14,600 LB. FRONT AXLE.
Safety risk
FRONT SPRING FAILURE COULD RESULT IN LOSS OF VEHICLE CONTROL.
Manufacturer remedy
DEALERS WILL REPLACE BOTH SPRINGS. OWNER NOTIFICATION BEGAN DECEMBER 26, 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.
Service brakes, air: controls, pedals and linkages
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
8,268
Reported to NHTSA
2001-08-01
Owners notified
2001-11-16
Defect description
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.
Safety risk
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.
Manufacturer remedy
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.
VEHICLE DESCRIPTION: CLASS 8 TRUCKS EQUIPPED WITH FELSTED ELECTRONIC ACCELERATOR PEDALS. THE RETURN SPRINGS CAN BREAK ON THE ACCELERATOR PEDALS THAT ARE EQUIPPED WITH STAINLESS STEEL OR ELECTROPLATED WIRE RETURN SPRINGS.
Safety risk
THIS CONDITION COULD CAUSE THE PEDAL TO GO TO FULL THROTTLE IF BOTH RETURN SPRINGS BREAK, INCREASING THE RISK OF A CRASH.
Manufacturer remedy
REPLACEMENT ACCELERATOR PEDALS EQUIPPED WITH RETURN SPRINGS MANUFACTURED OF MUSIC WIRE WITH ONE ADDITIONAL COIL ON EACH SPRING AND WITH AN ORGANIC COATING, ELIMINATING ELECTROPLATING WILL BE INSTALLED.
Owner complaints
A complaint is one person's report to a federal agency. It is not a finding.
Component
Complaints
Median mileage
Service brakes, air
1
—
Structure
1
—
Suspension
1
—
Suspension: rear
1
—
Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.