DODGE MB400 1977: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

NHTSA Campaign ID Number: 80V073000

Production Dates: 1972-07-01 - 1977-01-01

Manufacturers Involved: Chrysler (FCA US, LLC)

Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

Potential Number Of Units Affected: 350000

Report Initiator: ODI ODI Report

DUE TO A COMBINATION OF DISC BRAKE PAD WEAR AND TURN STOP WEAR ON CERTAIN VEHICLES, THERE MAY BE AN INCREASE IN BRAKE PEDAL TRAVEL AND A REDUCTION IN FRONT BRAKING EFFECTIVENESS FOLLOWING A FULL TURN. ALSO, A FRAME CRACK COULD DEVELOP AND COULD EXTEND THROUGH ALL OR MOST OF THE RAIL SECTION.

UPON INSPECTION DEALER WILL REPLACE EITHER THE LEFT OR RIGHT TURN STOP BRACKET TO CORRECT THE FRONT BRAKES. IF FRAME IS CRACKED IT WILL BE WELDED AND A ROD REINFORCEMENT WILL BE INSTALLED OVER THE CRACKED AREA.

VEHICLE DESCRIPTION: LIGHT TRUCKS.SYSTEM: SERVICE BRAKES; FRONT WHEEL DISC BRAKES, STRUCTURE; FRONT FRAME RAILEXTENSION.CONSEQUENCES OF DEFECT: THE REDUCTION IN FRONT WHEEL BRAKING EFFECTIVENESSCOULD RESULT IN A VEHICLE ACCIDENT IN SITUATIONS WHICH REQUIRE MINIMUM STOPPINGDISTANCE. IF AN EXTENSIVE CRACK DEVELOPS IN THE FRAME RAIL, INCREASED STEERINGSYSTEM PLAY AND DIFFICULTY IN HANDLING OF VEHICLE COULD ALSO LEAD TO ANACCIDENT.NOTE: A CRACK IN THE FRAME MAY BE ACCOMPANIED BY A METALLIC RATTLING NOISE ASTHE TWO EDGES SCRAPE AGAINST EACH OTHER.