Automotive Air Conditioning Information Forum

This old board seems pretty slow. Did some of the resident experts find a new home?

Cusser wrote:

spurshooter wrote:The system won't hold a vacuum. Goes to ambient in a few minutes.

Big leak.

Yup.

The system won't hold a vacuum. Goes to ambient in a few minutes.

I pulled the low and high lines to the evaporator at the firewall. The PAG looks clean. (whew).

I'll pull the system down and isolate it next to see if I have leaks.

I've worked on a couple earlier (2008 & 2000) GM truck AC systems, but this one has some differences and I don't have manuals for it. I was a member here years ago and learned the basics of servicing here. But my account seems to be gone.

I noticed my AC isn't cooling yesterday. I only drive the ...