my heat blows cold unless i have defrost on then it blows warm

150,000 MILES
Avatar
JBASEY
  • MEMBER
  • 5 POSTS
when i turn on my heat it comes out cold but when i turn on defrost it blows warm
Nov 7, 2011 at 2:46 PM
Advertisement
Avatar
RIVERMIKERAT
  • ✓Experienced Mechanic
  • 6,106 POSTS
Check the vacuum and electrical lines to the air doors. One is most likely loose or missing.
Nov 7, 2011 at 2:49 PM
Avatar
JBASEY
  • MEMBER
  • 5 POSTS
where are the vacuum air doors
Nov 7, 2011 at 2:52 PM
Avatar
JBASEY
  • MEMBER
  • 5 POSTS
thankyou for the response where are the electrical lines and vacuum air doors located
Nov 7, 2011 at 3:16 PM
Avatar
RIVERMIKERAT
  • ✓Experienced Mechanic
  • 6,106 POSTS
The AC/heater blower assembly is located under the dashboard, and behind the glovebox. Take a look at the pictures.
Nov 7, 2011 at 3:19 PM
Add a reply
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.

Frequently Asked Problems for This Vehicle