The air in the passenger compartment a little stale or simply, not enough air is blowing through the vents. This blower motor should do the trick. If your replace the Blower Motor on your 964, this part superceded to a 993 Blower Motor.
Missing your heater hoses? These are the ones that go from the flapper boxes to the inlets on the car. Make sure that you use factory approved, heat resistant hoses - standard ones from hardware stores will simply burn off and send noxious fumes into the cockpit.
964-572-785-00-M260
Hot Air Hose, Heat Exchanger to Heater Control Box, 75 X 320mm, Red Heat Resistant Material, 2 Per Car, 911 Carrera 2/4 (1989-94), Each Brand: OEM [Photo]
