Auto Recalls for Consumers

1991 MACK CH Recall - Campaign #94V032000

 
Auto Recalls For Consumers

1991 MACK CH RECALL - #94V032000

RECALL FOR VEHICLE SPEED CONTROL

FUEL INJECTION SYSTEM RECONFIGURATION TO COMPLY WITH ENGINE EMISSION STANDARDS CAUSE HIGHER ENGINE VIBRATION LEVELS WHICH LEAD TO EARLY WEAR AND COMPLETE FAILURE OF THE SECONDARY THROTTLE RETURN MECHANISM.

Information provided by the National Highway Traffic Safety Administration.

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Vehicle 1991 MACK CH
Manufacturer MACK TRUCKS, INCORPORATED
Manufactured between 7/1/1987 - 7/1/1992
Recalled on 3/1/1994
Influenced by OFFICE OF DEFECTS INVESTIGATION
Owners Notified on 5/27/1994
# Affected 39,777
Recalled for VEHICLE SPEED CONTROL
Description FUEL INJECTION SYSTEM RECONFIGURATION TO COMPLY WITH ENGINE EMISSION STANDARDS CAUSE HIGHER ENGINE VIBRATION LEVELS WHICH LEAD TO EARLY WEAR AND COMPLETE FAILURE OF THE SECONDARY THROTTLE RETURN MECHANISM.
Consequences IN THE EVENT THE PRIMARY THROTTLE RETURN FAILS, FAILURE OF THE SECONDARY THROTTLE RETURN SYSTEM WOULD NOT PROVIDE PROTECTION AGAINST LOSS OF THROTTLE CONTROL.
Corrective action A NEW PRODUCTION SECONDARY THROTTLE RETURN SYSTEM CONFIGURATION WILL BE INSTALLED.
Notes SYSTEM: FUEL; FUEL PUMP.VEHICLE DESCRIPTION: CLASS 8 TRUCKS EQUIPPED WITH E6 AND E7 ENGINES WITH ROBERT BOSCH P7100 MECHANICALLY-GOVERNED FUEL INJECTION PUMPS.NOTE: IF YOUR VEHICLE IS PRESENTED TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND THE REMEDY IS NOT PROVIDED WITHIN A REASONABLE TIME AND FREE OF CHARGE OR THE REMEDY DOES NOT CORRECT THE DEFECT OR NONCOMPLIANCE, PLEASE CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-800-424-9393.
See also 1991 MACK CH Recall for SEAT BELTS, FRONT, ANCHORAGE

1991 MACK CH Recall for ENGINE AND ENGINE COOLING, COOLING SYSTEM, FAN

1991 MACK CH Recall for POWER TRAIN, DRIVELINE, CENTER SUPPORT BEARING

1991 MACK CH Recall for TRAILER HITCHES, FIFTH WHEEL ASSEMBLY
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