Cadillac-DeVille - 02 Deville heater/ac duct system problem.
Tom Daniel (66.57.237.158) - Wed Nov 19 10:33:54 2008
Just recently when first starting my car I hear a fluttering sound from under the dash, and my heat only comes from under dash and defrosters, not thru the upper dash vents. Changing the mode does not work routinely, but on a couple of occasions, if left in the upper vent mode, will transfer and work as it should until I stop the engine or transfer the mode.Sounds like it may be a vacuum motor not opening a door somewhere, but their location and how to get to them is a concern. Could it be the control valve, and if so, how to remove and check.
Reply #1 Ron (66.181.121.189) - Fri Jan 16 09:44:16 2009
Cold air blows from passenger side vents - heat is on drivers side. Help.
Reply #2 will (75.104.199.58) - Mon Apr 13 18:03:24 2009
Hi, I have a 1996 Cadillac Seville. When the car is cold the ac works. As I drive, about 10 miles down the road, the ac begins to blow warm air. Can you help?
Reply #3 GARY (12.106.161.242) - Sat May 9 14:38:03 2009
HAVE AN 05 DEVILLE THE PASSGENER SIDE HEATER BLOWS ALL THE TIME CONTROLL WILL NOT CHANGE SETTING COULD IT BE THE CONTROL VALVE IS THER ONE FOR EACH SIDE OR JUST ONE? ANY WAY TO DISCONNECT THE PASSAGNER FUCTION?
Reply #4 Jonny (208.93.186.158) - Wed Aug 5 21:04:40 2009
I have an 2005 Cadillac DeVille. There seems to be a short in the wiring to the A/C blower. Sometimes the A/C works but if I hit a bump the blower will stop. Occasionally if the A/C is not working and I floor the accelerator the air will come back on. The Caddy dealership thinks the A/C blower motor is bad, but I'm not so sure. Any suggestions?
Reply #5 Adam Sutter (67.48.234.139) - Wed Aug 26 15:30:20 2009
I have a 1996 Cadillac Deville The Ac Turns on under the hood but blows Hot air inside the car! ! ! ?
Reply #6 billy (70.49.240.155) - Sat Oct 10 23:01:20 2009
I have a 1998 Cadillac seville sts. The air on the driver side will not warm up, The air on the passenger side warms up without problems.Any suggestions?
Reply #7 robert (75.34.95.9) - Tue Nov 10 08:22:04 2009
1991 deville heats on passenger side but cold on drivers side. any help would be greatly appreciated.
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