2001 Cadillac Deville Air duct issues

2001 CADILLAC DEVILLE
11,800 MILES • V8 • 2WD • AUTOMATIC
Avatar
ALEXMARTI
  • MEMBER
  • 2 POSTS
When A/C is turned on , Im getting cold air
from the 2 passenger side vents. The driver side vents only blow warm air, but after awhile the air
iturns to outside temp only.
Are there Vacuum units in these ducts that open and close and where are they located?

Thanks
Jun 5, 2009 at 8:05 PM
Advertisement
Avatar
FACTORYJACK
  • ✓ASE Certified Mechanic
  • 4,159 POSTS
  • ASE Certified Mechanic
Gone are the days of vacuum actuators, it is all electrical now. It is possible that your system is low enough on charge that the ducts farthest away don't get cold. It is also possible that you have an actuator or blend door fault. Do you by chance hear the compressor engage when you cycle on and off?
Jun 5, 2009 at 9:41 PM
Avatar
ALEXMARTI
  • MEMBER
  • 2 POSTS
yes I can hear the compressor engage
Jun 6, 2009 at 7:35 PM
Avatar
FACTORYJACK
  • ✓ASE Certified Mechanic
  • 4,159 POSTS
  • ASE Certified Mechanic
Then if you are not getting any low refrigerant messages, you need to have the system scanned for codes. The HVAC system will set codes relevant to which actuator may have failed, there is no other way to determine.
Jun 7, 2009 at 12:00 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.