Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 97 cougar fan issue › 97 cougar fan issue August 15, 2014 at 11:37 pm #622205 Mike RobinetteParticipant 🙂 I will run with bleeder screw open and see, is possible cause I replaced thermostat and water pump gasket. Will return after I try that, may be a day or so. Thanks for the reply.