"14588 - SPECIAL COVERAGE. ON SOME 2011-2015 MODEL YEAR CHEVROLET CAPRICE AND 2012-2015 MODEL YEAR CHEVROLET IMPALA
POLICE PATROL VEHICLES, IDLING THE ENGINE FOR EXTENDED PERIODS OF TIME CAN PREMATURELY WEAR THE ENGINE-COOLING-FAN MOTOR. IN THIS CONDITION, THE MOTOR MAY FAIL TO OPERATE OR OPERATE NOISILY. THIS CONDITION CAN ALSO DAMAGE MOTOR-CONTROL RELAYS IN THE VEHICLEÂ’S UNDERHOOD BUSSED ELECTRICAL CENTER (UBEC). DEALERS ARE TO DIAGNOSE AND REPLACE FAN MOTORS PER PI1384 REGARDING THE SEMI-ANNUAL PREVENTATIVE MAINTENANCE CHECK FOR POLICE VEHICLE COOLING FANS."