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Mack RD Recall 94V032: Vehicle Speed Control

NHTSA campaign 94V032, reported February 15, 1994, 39,777 vehicles potentially affected.

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The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 94V032MACK TRUCKS, INCORPORATED
Component
VEHICLE SPEED CONTROL
Problem
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.
Risk
IN THE EVENT THE PRIMARY THROTTLE RETURN FAILS, FAILURE OF THE SECONDARY THROTTLE RETURN SYSTEM WOULD NOT PROVIDE PROTECTION AGAINST LOSS OF THROTTLE CONTROL.
Remedy
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.

Affected vehicles

Mack CF198719881989199019911992
Mack CH198719881989199019911992
Mack CHR198719881989199019911992
Mack CL198719881989199019911992
Mack DM198719881989199019911992
Mack DMM198719881989199019911992
Mack FDM198719881989199019911992
Mack MC198719881989199019911992
Mack MH198719881989199019911992
Mack MHR198719881989199019911992
Mack MR198719881989199019911992
Mack R198719881989199019911992
Mack RB198719881989199019911992
Mack RD198719881989199019911992
Mack RM198719881989199019911992
Mack RW198719881989199019911992
Mack U198719881989199019911992