SPONSORED LINKS

Rear heat/AC not working properly

Tiny
BIGINDY
  • MEMBER
  • 2002 CHEVROLET TAHOE
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 300,000 MILES
Very seldom works. If it works (maybe once or twice a year), produces hot and cold air well. Just doesn’t work very often.

Where do I start troubleshooting this?
Friday, July 16th, 2021 AT 5:42 AM

3 Replies

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

Please have a look at this article, it has a lot of good info. Should help you guid to the right direction.

https://www.2carpros.com/questions/2003-chevrolet-tahoe-rear-ac

https://youtu.be/Z2h3ewDYB2o

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

I have also attached complete rear A/C system diagrams.

Please let me know if you have any questions.

Thank you.
Images (Click to make bigger)
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
+1
Friday, July 16th, 2021 AT 8:01 AM
Tiny
BIGINDY
  • MEMBER
  • 7 POSTS
Based on this - I’m going to change the rear blower motor.

Thanks guys!
Was this
answer
helpful?
Yes
No
Friday, July 16th, 2021 AT 9:41 AM
Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
You're welcome. Please let me know if you have any questions.
Thank you.
Was this
answer
helpful?
Yes
No
Friday, July 16th, 2021 AT 10:13 AM

Please login or register to post a reply.

Related Air Conditioner Not Working Content

Fix an Air Conditioning Not Working Video
VIDEO
Fix an Air Conditioning Not Working Video
Instructional repair video
Air Conditioner Not Working
GUIDE
Air Conditioner Not Working
Like any sub system in today's car a problem and be minor or a little more involved, this guide will help you find the problem and perform repairs. You can be the judge if...
VIEW MORE

Sponsored links