1991 MACK MR Recalls (2)

Campaign:
91V196000 on 11/26/1991
Component:
Power train:manual transmission:shift pattern indicator
Manufactured:
05/31/1989 - 12/31/1990
Affected:
308
Defect:
The stone bennett shifters do not indicate the relative position of the shift lever to the driver.
Consequence:
The shift lever does not meet the requirements of fmvss102.
Correction:
Install a decal displaying the relative shift positions.
Notes:
System: transmission range selector; fmvss 102.vehicle description: heavy trucks with allison transmissions and stone bennettshifters.

Campaign:
94V032000 on 02/28/1994
Component:
Vehicle speed control
Manufactured:
06/30/1987 - 06/30/1992
Affected:
39,777
Defect:
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:
In the event the primary throttle return fails, failure of the secondary throttle return system would not provide protection against loss of throttle control.
Correction:
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.

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