Automotive Air Conditioning Information Forum

A few questions: What year is your C5? LS1 (coupe or convertible) or LS6 (coupe) engine? Do you know what the reason was for your V7 compressor failure?

JohnHere.....
I need to contact you privately concerning this message but I don't see a way to send you a private message?
There's no way that you can contact me or other members privately through the Forum. In addition, I don't subscribe to any social media, and none of my personal information ...

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In addition to what Cusser suggested, does CAA specify exactly 24 ounces of refrigerant by weight ? And how much oil, in fluid ounces ?

The pressures seem elevated. The low side should be ~30 PSI, and the high side should be ~225 PSI at 90°F with good condensing.

Is the fan shroud in place, and do ...

I did not know to check to make sure the orfice tube is the correct one. I just ask for one at NAPA. It is installed correct and the old one did not have any debris
If the replacement is the same color as the old OT, chances are it's the correct part.

If the original OT is yellow and white with ...

The problem(s) could be someplace else, e.g., too much oil. But the first questions about the OT you should verify: #1, Did you install the correct OT having the right orifice size , and did you install it in the proper orientation?*; #2, Did the replacement OT match the color(s) of the old one?; #3 ...

He said he never had it serviced and ac was running perfectly but then he left car running amd came back 5 minutes later and the ac was not blowing cold air. Ac compressor kicks on for a second then goes off.
Then I presume no sealer was introduced into the system.

As a first step, I suggest ...

The problem might be elsewhere, but right off the bat, it sounds like a gross overcharge to me.

Has this system ever been serviced?

The product you linked to is the A/C QuickCaps.
Maybe you can answer my question about it.
Can the top of the device be turned to screw the o-ring seal down into the rim of the service port, like the FreezeCap device?
The top has a hexagonal, bolt-head shape, which makes it look like it is ...

To avoid the risk of stripping the threads or cross-threading, I turn the caps in reverse (left-y loose-y). When I feel the cap "bump" over the first thread, I proceed to thread them on (right-y tight-y) and snug them up.