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Cadillac DeVille Climate Control

57 messages,  Last post on Sep 27, 2009 at 12:42 AM

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What is this discussion about? Cadillac DeVille, Heating / Cooling, Sedan

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#41 of 57 Re: A/C not working at all from one day to another [92bonny] by eddieking1957 Aug 24, 2008 (6:05 pm)
Replying to: 92bonny (Jul 31, 2008 11:31 am) W/ your car turned off, can you turn the compressor clutch by hand? if no then you may have a locked up compressor or locked up clutch
#42 of 57 Owners Manual by eddieking1957 Sep 01, 2008 (12:38 pm)
Can anyone here give me a inexpensive place to find a owners manual for a 1995 Caddy DeVille? My caddy don't have 1 and I would like one.   Thankx Eddie Replies to this message: bolivar (Sep 01, 2008 8:01 pm)
#43 of 57 Re: Owners Manual [eddieking1957] by bolivar Sep 01, 2008 (8:01 pm)
Replying to: eddieking1957 (Sep 01, 2008 12:38 pm) Ebay is your friend.
#44 of 57 2004 DeVille Climate Control Issues by wozierski Sep 25, 2008 (5:12 pm)
My 2004 DeVille has two issues: 1) The blower will turn on hours after the car has been parked. This is an intermittent problem, but it drives me crazy. Issue 2, the AC smells sour when I first turn it on. The dealer has cleaned it out repeatedly with a foaming solution but with no results. I've changed the cabin air filter numerous times, sprayed Lysol, etc. I believe the system is plugged-up and water is just sitting there. Anyone out there experieced in these area? I live in Richmond, VA. Thank you. Replies to this message: bolivar (Sep 26, 2008 12:56 am) wozierski (Sep 27, 2008 11:14 am)
#45 of 57 Re: 2004 DeVille Climate Control Issues [wozierski] by bolivar Sep 26, 2008 (12:56 am)
Replying to: wozierski (Sep 25, 2008 5:12 pm) On older Cadillacs, a few years older than yours, there are known failures where the blower usually just keeps blowing after the car is shut down. This is usually the blower control/controller unit, which, I think, sits on top of the AC/Heater exchanger unit under the passenger side of the dash. This is the 'box' that controls the auto temp control. Yours is the first time I've hear about the blower goes off when the car is shut down, but comes on some time later.   Ok, read in your owners manual closely about the Heater/AC system. I think there is a section that talks about how the blower will continue to correctly run after shutdown, under certain conditions. But I think it runs only for a couple of minutes or so in this mode. I don't know what these conditions are, but they are an attempt to 'dry out' the system, or some such thing. If you system is supposed to do this, then maybe it is working correctly.   In humid weather, with the AC running, with the car idling and stopped, does water come out of the bottom of the car? Normally, you should get condensation on the AC coil inside the car when running in hot humid weather, and this water comes out of a drain outside the car. If you car does not do this, then the drain is plugged. But, if you have had service done for the smell, they surely should have checked this.   If you get mode growing in the AC coil, it can be very difficult to 'kill' it. This may be what is happening to your car. Replies to this message: wozierski (Sep 27, 2008 11:14 am)
#46 of 57 Re: 2004 DeVille Climate Control Issues [bolivar] by wozierski Sep 27, 2008 (11:14 am)
Replying to: bolivar (Sep 26, 2008 12:56 am) Thank you for your comments. I will look into this and post my findings.
#47 of 57 Re: Broken temp gauge and heater is blowing cool air [jknight8787] by wwpeters Dec 08, 2008 (10:44 pm)
Replying to: jknight8787 (Nov 05, 2007 9:56 pm) I have the same car with the same problem. Did replacing the outside temperature sensor solve the problem?
#48 of 57 2000 Deville - A/C and Heat work but Middle Blowers won't blow??? by vanhoogy Dec 26, 2008 (2:09 pm)
#49 of 57 2000 Deville - A/C and Heat work but Middle Blowers won't blow??? by vanhoogy Dec 26, 2008 (2:09 pm)
My feet and the top of my head are cold but I am getting NO air coming out of the middle vents; it also DOES blow in the back seat. When I first start the car the sound that comes out of the middle vents is "tick, tick, tick, etc" for about 4 minutes then nothing... help???
#50 of 57 89 DeVille Blower module by captrfd May 09, 2009 (6:43 am)
Just a note, my blower stopped working. I did the required testing and blower motor replacement was the outcome. Before I bought a new motor I bench tested the motor and it worked fine. The blower control module was the problem. Recommended voltage tests did not reveal problem, so beware before you buy.

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