Question about 2005 Cadillac Deville
The blower motor wont blow for the heater or ac it has heated seats front and rear none of them work eitherwith heater on and driving down the road you get hot air coming in but no blower mottorsame wih ac it comes in cold but no motor running
I had a 2003 caddy dts same issue the blower motor has probably gone bad u can order them online. What u can also try is kicking under the passenger side glove box area that's where the blower is located sometimes they get stuck. Try kicking or tapping under there and see if it pops on. I did this with my car
Posted on Dec 13, 2013
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Posted on Jan 02, 2017
The heater in your car depends upon a flow of hot coolant going through the heater core in order to get hot air into the car. If the heater core is partially plugged, it will restrict the flow. If you have a head gasket that is putting exhaust into the cooling system, it will eventually get into the heater core. When this happens there is no coolant in the heater core to make the air warm. If the water pump vanes have corroded away the result will be very poor coolant circulation causing the heater to not blow hot air. If your car is equipped with a heater control valve that is not functioning properly, the coolant flow will be restricted. One or a combination of these factors is likely the culprit in your case.
Since you state the 2 things you ruled out, that leaves only the water pump. Is the car running hot? The thermostat may be sticking as well... but im leaning toward the pump.
Posted on Jan 21, 2009
Hello according the the manual, the back vent are to blew cold air only..the fronts vents are suppose to the entire car...
Posted on Feb 24, 2009
Either Your fan switch is burned out or you blower motor is no good, your blower motor is on the passenger side under the dash. Before you replace any parts you need to check your fuses and relays under your hood and in the car. Usually if your fan switch goes bad you will still get some air blowing thru the vents, so my guess would be blower motor, If its not a blown fuse or relay.
Posted on May 28, 2009
there are two separate actuators for the rear system. one controls temperature and the other controls vents from head to feet. mine problem was the later. that acutuator for esv 2003 is 89018365. it is located just below third seat cup holder passenger side and can be replaced simply by removing cup holder. triangular shaped part with wire harness.
Posted on Jul 11, 2009
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