A/C works and blows cold air, but after a few minutes it just stops

Tiny
GRACE1120
  • MEMBER
  • 2006 GMC SIERRA
  • 5.3L
  • V8
  • 2WD
  • AUTOMATIC
  • 177,000 MILES
While on my A/C control it shows that it is on and it starts blowing cold air again after a while, and it is a constant on and off. Keep in mind my climate control never turns off when the A/C stops.
Sunday, October 6th, 2019 AT 11:27 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Welcome to 2carpros. Com

What is turning off, the AC or the blower motor? If it's the blower motor, check the plug under the dash at the blower motor to make sure nothing is loose.

I attached a picture below that shows the connection I am referring to. Also, I need to know if this happens regardless of the selected speed of the blower motor. For example, if it is on high, does this not happen?

Let me know.

Joe
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Sunday, October 6th, 2019 AT 8:39 PM

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