How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15201
Experience:  GM Grand Master Technician 2007. 14 years experience.
Type Your Chevy Question Here...
GM Tech (Cam) is online now
A new question is answered every 9 seconds

My defroster is not working. 2007 Silverado 2500 HD LTZ, I

Customer Question

my defroster is not working.
JA: What is the model/year of your Chevy?
Customer: 2007 Silverado 2500 HD LTZ
JA: Are you fixing your Silverado yourself? What have you tried so far?
Customer: I haven`t tried anything yet.
JA: Anything else you want the mechanic to know before I connect you?
Customer: The air circulation button on the controls blinks
JA: How long has this been an issue? How many miles are on the car?
Customer: I don`t know , the truck has 133,000 miles.
Submitted: 9 months ago.
Category: Chevy
Expert:  david craig replied 9 months ago.

Hi Im David, thanks for visiting the site.
You could try an actuator reset
-Key off
-Remove HVAC/ECAS fuse (underhood) for at least 10 seconds
-Replace HVAC/ECAS fuse
-Start engine. Do not touch any a/c controls for at least 40 seconds while actuators perform relearn.

Customer: replied 9 months ago.
Ok I will try that first.
Expert:  david craig replied 9 months ago.


Expert:  david craig replied 9 months ago.

any luck?

Expert:  david craig replied 9 months ago.

just checking in to see how its going