9999 BENDIX MC-12 Recall

Campaign:

94E027000 on 09/22/1994

Component:

Service brakes, air:antilock:control unit/module

Manufactured:

09/30/1990 - 07/31/1994

Affected:

2,574

Defect:

The rubber seat on the armature of the solenoids can swell causing the normally open inlet solenoid to restrict or block the trailer service brake control air pressure passage.

Consequence:

Restriction causes reduced trailer service brakingaction. blockage causes complete loss of trailer service braking action. thereis no warning of the deterioration of the trailer service brakes, which canresult in loss of vehicle control and an accident.

Correction:

Dealers will replace the mc-12 solenoids.

Notes:

System: brakes; control assembly.equipment description: mc-12 modulator controller assembly.note: if the vehicle is presented to an authorized dealer on an agreed uponservice date and the remedy is not provided free of charge within a reasonabletime or the remedy does not correct the defect, please contact allied signal at1-216-329-9000. also, contact the national highway traffic safetyadministration's auto safety hotline at 1-800-424-9393.

9999 BENDIX MC-12 TSB

Bulletin:

SD-13-47672

Component:

040000 service brakes, air

Summary:

Bendix: information being provided for the trailer service brake module controller and the installation of the tabs-6 adv mc module on the heavy duty semi-trailers. *pe

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