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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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#36 of 57 2002 Deville Blower Motor by duckwing1 Aug 17, 2008 (7:44 pm)
I have seen this problem a couple of times on this site without answers posted. The HAC blower will quit for a couple of days. Often when I hit a bump, it will start up and work fine until it decides to quit again. What might the cause be?   Thanks -- Jim Replies to this message: siamakzadeh (Aug 18, 2008 12:45 am) duckwing1 (Aug 18, 2008 4:59 am)
#37 of 57 Re: 2002 Deville Blower Motor [duckwing1] by siamakzadeh Aug 18, 2008 (12:45 am)
Replying to: duckwing1 (Aug 17, 2008 7:44 pm) check the conector to you blower motor. Push it up wards to see it the fan would kicks in. I had this problem and had to change the blower motor. cars with climate control have to run the blower motor almost constantly in different speeds to keep the inside tempreture constant so the motor does not last as long as cars without climate control. shop around if you have to change it. I was coated from 150.00 to 450.00 dollars for the motor. sia Replies to this message: duckwing1 (Aug 18, 2008 4:59 am)
#38 of 57 Re: 2002 Deville Blower Motor [siamakzadeh] by duckwing1 Aug 18, 2008 (4:59 am)
Replying to: siamakzadeh (Aug 18, 2008 12:45 am) The blower motor does come on if I push up on the connector. My son replaced the control module which didn't fix the problem. I don't remember if the module plugs directly into the fan. If so, there would be a new connector at that interface. If not, will replacing the harness connector fix the problem?   Thanks for your reply -- Jim
#39 of 57 by siamakzadeh Aug 18, 2008 (5:19 pm)
First week i had to just push it up and it would kick in then second week i had to put two penny coins under it and worked for few days but finaly i had to replace the blower motor, (one from Junk Yard) and it fixed my problem. It has been working fine since. sia Replies to this message: duckwing1 (Aug 18, 2008 5:39 pm)
#40 of 57 Re: [siamakzadeh] by duckwing1 Aug 18, 2008 (5:39 pm)
Replying to: siamakzadeh (Aug 18, 2008 5:19 pm) Thanks for the inputs. I may invest 2 cents then get another motor. Strange that pushing up on the connector makes it work. Does the motor have much torque? My son had the motor and controller laying on the floor board and you could stick your finger on the squrill cage and keep it from running.
#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)

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