[JenniferU]

Hello!
I have a 2007.5 LMM Duramax that we have replaced the Condenser, Compressor and Collector. I am getting 25 on low pressure and 325 on high pressure. I am concerned the high pressure may be to high. Ambient temp is 88 degrees.

 

[ChevyTech77]

That’s actually pretty good pressure(s). What is your outlet temp, with the controls set for max cold?

 

[JenniferU]

I’m sorry I had down the high pressure was at 225. It’s at 325.

 

[Ron Nielson]

Still not sure what your pressure was. See attached

 

[ChevyTech77]

Yes. 325 is too high. You have a restri

I’m sorry I had down the high pressure was at 225. It’s at 325.

Yes. 325 is too high. Look for a restriction in the system.