System: steering; power assist; pump.vehicle description: transit and school buses equipped with cummins 6C engines.note: if the vehicle IS presented to an authorized dealer on an agreed upon service date and the remedy IS not provided free of charge within a reasonable time or the remedy does not correct the defect, please contact thomas built at 1-910-889-4871. Also, contact the national highway traffic safety administration's auto safety hotline at 1-800-424-9393.