AC Diagnostic/Troubleshooting '97 GMC Sierra 1500

Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.

AbsentWall

Newbie
Joined
Aug 19, 2024
Messages
1
Reaction score
1
Location
Houston, Tx
I have a 1997 GMC Sierra 1500 with a 5.7 350 Vortec.

The issue I am having is that my AC does not blow hard. It does shoot out cold AC, as low as 48 Degrees Fahrenheit, but it does not blow strong even when set to the max. There is no engine leak found in the engine bay near a line or compressor.

Is there anything else I can do to get to the bottom of my issue?

I have done the following things to possibly fix it but no results:
- Replaced the blower motor. It was making noises prior to replacing it but it did not change the strength of the air coming out of the air vents.
- I have cleaned the Evaporator Core like I have seen being recommended in some videos I saw. My Evaporator Core was not as dirty as the ones in the videos. I will post some pictures of it after it was cleaned to see if my opinion of clean is different.

Any help would be appreciated.
 

Attachments

  • IMG_0190.jpg
    IMG_0190.jpg
    282.7 KB · Views: 2
  • IMG_0192.jpg
    IMG_0192.jpg
    220.6 KB · Views: 2
Top