FUEL INJECTION SYSTEM RECONFIGURATION TO COMPLY WITH ENGINE EMISSION STANDARDS CAUSE HIGHER ENGINE VIBRATION
— Recall Campaign #94V032000
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.
The recall was influenced by the Office of Defects Investigation with about 39,777 units affected.
NHTSA Safety Recall Notice
94V032000
| Manufacturer: | Mack Trucks, Inc. |
|---|---|
| Recall date: | February 15, 1994 |
| NHTSA Campaign #: | 94V032000 |
| Units affected: | 39,777 |
- 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.
- Consequeces:
- 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.
Affects the following:
- 1987-1992 MACK CF
- 1987-1992 MACK CH
- 1987-1992 MACK CHR
- 1987-1992 MACK CL
- 1987-1992 MACK DM
- 1987-1992 MACK DMM
- 1987-1992 MACK FDM
- 1987-1992 MACK MC
- 1987-1992 MACK MH
- 1987-1992 MACK MHR
- 1987-1992 MACK MR
- 1987-1992 MACK R
- 1987-1992 MACK RB
- 1987-1992 MACK RD
- 1987-1992 MACK RM
- 1987-1992 MACK RW
- 1987-1992 MACK U