System: brakes.vehicle description: f super duty motorhome chassis model code f-53.note: if your vehicle IS presented to an authorized dealer on an agreed uponservice date and the remedy IS not provided in a reasonable time and free ofcharge or the remedy does not correct the defect or noncompliance, pleasecontact ford customer service division at 1-800-392-3673. Also contact thenational highway traffic safety administration's auto safety hotline at1-800-424-9393.