This sounds like you have a mode blend door actuator that is not working due to lack of vacuum probably a broken vacuum line here is a guide to walk you through the repair with diagrams and instructions to show you how on your car below.
Check out the diagrams (Below). Please let us know what you find. We are interested to see what it is.
Images (Click to enlarge)
Jul 22, 2019 at 8:12 AM
STEVE529
MEMBER
2 POSTS
Thanks for the helpful information. Do you know how much this would cost to get fixed at a garage?. Thanks again for the help.
Jul 29, 2019 at 8:33 AM
STRAILER
✓Experienced Mechanic
55,561 POSTS
If the problem is a broken vacuum one under the hood about $35.00 but you should check your self its an easy fix. Use a flashlight and check out the guide above it shows what to look for.