Component Description
VEHICLE SPEED CONTROL
Manufacturer That Filed Defect/noncompliance Report
MACK TRUCKS, INCORPORATED
Begin Date Of Manufacturing
19870701
End Date Of Manufacturing
19920701
Vehicle, Equipment Or Tire Report
0
Potential Number Of Units Affected
39777
Date Owner Notified By MFR
19940527
Recall Initiator (MFR/OVSC/ODI)
ODI
Mfg
Mack Trucks, Inc.
Report Received Date
19940215
Record Creation Date
19940301
Regulation Part Number
Defect Summary
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.
Consequence Summary
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 Summary
A NEW PRODUCTION SECONDARY THROTTLE RETURN SYSTEM CONFIGURATION WILL BE INSTALLED.
Recall 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.
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Vehicle Type
INCOMPLETE VEHICLE
Manufacturer
MACK TRUCKS INC.
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