1981 Western Rwl Series Recalls

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NHTSA Campaign Number: 84V036000
Manufacturer: WESTERN PRODUCTS
Manufactured Begin Date: October 1st, 1978
Manufactured End Date: May 1st, 1982

Defect Summary:
SPRING SEAT CAN DEFORM, WHICH CAUSES A DECREASE IN THE CLAMPING FORCE IN THE SUSPENSION ASSEMBLY. LOSS OF CLAMPING FORCE MAY BRING ABOUT AXLE MISALIGNMENT OR AXLE HOUSING FAILURE.

Corrective Summary:
THE AXLE HOUSING WILL BE INSPECTED AND REPLACED, IF NECESSARY. THE SPRING SEATS WILL ALSO BE REPLACED.

Recall Notes:
VEHICLE DESCRIPTION: HEAVY TRUCKS.SYSTEM: SUSPENSION; REAR SPRING SEAT.CONSEQUENCES OF DEFECT: LOSS OF VEHICLE CONTROL COULD OCCUR WITHOUT WARNING,POSSIBLY RESULTING IN AN ACCIDENT.

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NHTSA Campaign Number: 84V032000
Manufacturer: WESTERN PRODUCTS
Manufactured Begin Date: April 1st, 1981
Manufactured End Date: March 1st, 1984

Defect Summary:
FRONT AXLE AIR BRAKE LINES ARE ROUTED TOO CLOSE TO THE ENGINE EXHAUST MANIFOLD. THIS CAN PERMIT BRAKE LINES TO MELT AND RUPTURE, CAUSING A REDUCTION IN AIR PRESSURE TO BRAKE CHAMBERS UPON BRAKE APPLICATION.

Corrective Summary:
FRONT AXLE AIR BRAKE LINES WILL BE REPLACED, EMPLOYING NEW ROUTING AND HEAT RESISTANCE IMPROVEMENTS.

Recall Notes:
VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH MACH E-9 SERIES V-8 ENGINES.SYSTEM: SERVICE BRAKES; FRONT BRAKE LINES.CONSEQUENCES OF DEFECT: VEHICLE STOPPING DISTANCE WOULD INCREASE WITHOUTWARNING AND COULD RESULT IN A VEHICLE CRASH.

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NHTSA Campaign Number: 81V156000
Manufacturer: WESTERN PRODUCTS
Manufactured Begin Date: November 1st, 1978
Manufactured End Date: August 1st, 1981
Date of Owner Notification: July 13th, 1982

Defect Summary:
THE THROTTLE RETURN SPRINGS ON THE AFFECTED VEHICLES PROVIDE LESS THAN THE REQUIRED TORQUE, CAUSING A SLUGGISH RETURN OF THE THROTTLE TO THE IDLE POSITION AFTER THE ACCELERATOR PEDAL IS RELEASED. THIS FAILS TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 124, "ACCELERATOR CONTROL SYSTEMS".

Corrective Summary:
NEW ANCHOR BRACKETS AND SPRING EXTENSIONS FOR THE THROTTLE RETURN SPRINGS, WILL BE INSTALLED AT CORRECTED LOCATIONS WITHOUT CHARGE TO OWNER.

Recall Notes:
VEHICLE DESCRIPTION: TRUCKS.SYSTEM: FUEL; THROTTLE RETURN SPRINGS.CONSEQUENCES OF DEFECT: A FAILURE OF THE ACCELERATOR FUNCTION TO RESPONDNORMALLY COULD CAUSE AN ACCIDENT IN CERTAIN TRAFFIC SITUATIONS.

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NHTSA Campaign Number: 81V094000
Manufacturer: WESTERN PRODUCTS
Manufactured Begin Date: May 1st, 1978
Manufactured End Date: September 1st, 1981
Date of Owner Notification: May 10th, 1982

Defect Summary:
INADEQUATE WELD POSITIONING COUPLED WITH RADIUS ROD LOAD AND LOOSENING OF THE SPRING CLIP NUTS COULD CAUSE SPRING SEAT FRACTURE. THIS CAN RESULT IN LOSS OF DIRECTIONAL CONTROL OF THE AXLE.

Corrective Summary:
SPRING SEAT RADIUS ROD BRACKETS WILL BE INSPECTED AND REPLACED IF NECESSARY. IN ADDITION, SUPPLEMENTAL BRACKETS WILL BE INSTALLED TO REINFORCE THE SPRING SEAT, WITHOUT CHARGE.

Recall Notes:
VEHICLE DESCRIPTION: HEAVY TRUCKS EQUIPPED WITH ROCKWELL INTERNATIONALSQHD-SQHP REAR AXLE AND DAYTON TRUCKMASTER SUSPENSION.SYSTEM: SUSPENSION; SPRING SEAT/RADIUS ROD BRACKET.CONSEQUENCES OF DEFECT: THIS DEFECT COULD CAUSE A LOSS OF VEHICLE CONTROLWITHOUT PRIOR WARNING AND MAY RESULT IN AN ACCIDENT.

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NHTSA Campaign Number: 81V087000
Manufacturer: WESTERN PRODUCTS
Manufactured Begin Date: April 1st, 1978
Manufactured End Date: July 1st, 1981
Date of Owner Notification: October 12th, 1982

Defect Summary:
DUE TO A DEFICIENCY IN MATERIAL STRENGTH, THE FRONT ENGINE SUPPORT BRACKETS ON THE INVOLVED VEHICLES MAY DEVELOP CRACKS THAT COULD LEAD TO BRACKET FAILURE. THIS WOULD CAUSE THE ENGINE TO DROP DOWN INTO THE RADIATOR, DAMAGING THE SHROUD, ENGINE FAN, AND OTHER ASSOCIATED PARTS. THE ENGINE THROTTLE COULD BE PULLED INTO FULL GOVERNED POSITION.

Corrective Summary:
THE EXISTING SUPPORT BRACKETS WILL BE REPLACED WITH BRACKETS MADE OF DUCTILE IRON, AT NO CHARGE TO OWNER.

Recall Notes:
VEHICLE DESCRIPTION: TRUCKS.SYSTEM: STRUCTURE; FRONT ENGINE SUPPORT BRACKETS.CONSEQUENCES OF DEFECT: WITH THE THROTTLE LOCKED IN THIS POSITION, THE DRIVERWOULD HAVE NO CONTROL OVER VEHICLE SPEED. LOSS OF VEHICLE CONTROL AND ANACCIDENT COULD FOLLOW.