Possible problem with HVAC system? Quick Question ..
Cadillac
 

Cadillac Forums | Help Us Help You | Advertise | Cadillac Parts | Cadillac News | Cadillac Classifieds / (Old System)

Cadillac Technical Archive | Cadillac Dealers | Cadillac Reviews | Cadillac Dealer Reviews | Cadillac Vendors

CadillacForums.com is the premier Cadillac Forum on the internet. Registered Users do not see the above ads.
+ Reply to Thread
Results 1 to 3 of 3
2008-2013 Cadillac CTS General Discussion Discussion, Possible problem with HVAC system? Quick Question .. in Cadillac CTS Second Generation Forum - 2008-2013; I'm from north of the 49th and it's starting to get cold up here. I've been using my heat alot ...
  1. #1
    BMANN06's Avatar
    BMANN06 is offline Cadillac Owners Fanatic
    Automobile(s): 08' CTS4, 02' Avalanche Z71, 09' Vibe, 05' R1
    Join Date
    Jan 2011
    Age
    33
    Posts
    166

    Possible problem with HVAC system? Quick Question ..

    I'm from north of the 49th and it's starting to get cold up here. I've been using my heat alot and notice everytime I set my hvac to auto, my ac turns on (the light with the snowflake) even though I've got the heat cranked. Is this normal behaviour? I don't really understand why the ac compressor should come on for heat, and can't remember if I had this symptom last winter? Is this normal and I'm just a tool ... or have I got a problem?

  2. Remove Advertisements
    CadillacForums.com
    Advertisements
     

  3. #2
    C&C's Avatar
    C&C
    C&C is offline Cadillac Owners Connoisseur
    Automobile(s): Cadillac STS (2011)
    Join Date
    Feb 2008
    Location
    Mount Pleasant, SC
    Age
    63
    Posts
    1,570

    Re: Possible problem with HVAC system? Quick Question ..

    The a/c compressor comes on for de-humidification; it is normal (and beneficial). Now if you don't need to de-humidify then you can turn off the compressor manually though it also beneficial for your system to run it occasionally during the winter to keep the seals lubricated..

  4. #3
    BMANN06's Avatar
    BMANN06 is offline Cadillac Owners Fanatic
    Automobile(s): 08' CTS4, 02' Avalanche Z71, 09' Vibe, 05' R1
    Join Date
    Jan 2011
    Age
    33
    Posts
    166

    Re: Possible problem with HVAC system? Quick Question ..

    Thanks C&C!

Quick Reply Quick Reply

Register Now

Please enter the name by which you would like to log-in and be known on this site.
If you do not want to register, fill this field only and the name will be used as user name for your post.

Please enter a password for your user account. Note that passwords are case-sensitive.

Please enter a valid email address for yourself.

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Bookmarks

Cadillac Posting Rules

  • You may post new threads
  • You may post replies
  • You may not post attachments
  • You may not edit your posts
Read about Lincoln | Buick | Kia Forte Forum
Need products for your Cadillac? Check out your options at the links below:

custom floor mats | Cadillac Chrome and Black Chrome Wheels | window tinting