User Profile

[bbrickson]

I will agree with that but it seems no one can see the +15% after the X 2. Unless the vehicle is custom the manufacturer is required to have a charge...

[bbrickson]

I do not give bad information. I am quite certain that my knowledge of automotive A/C systems far exceeds yours. If there is anything and I mean anything...

[bbrickson]

Do you see how the standard figure of 2 X the ambient temperature + 15% came to only 1.4 PSI off? It isn’t for me as in I have owned an automotive A/C...

[bbrickson]

I was referring to the low pressure switch opening the contacts and shutting the compressor off. The specs on this are even lower than 24 PSI.
...

[bbrickson]

I was writing about changing the factory ball type service port that always leaks to a schrader type. I included pictures of both.
You are correct...

[bbrickson]

I grind a small amount off of the warped bracket so it is not warped anymore, the compressor case is not stressed when bolted down. I didn’t do it once,...

[bbrickson]

You are done here - don't copy me like that!
Site is slow, so be it but bad info so far isn't going to fly,

[bbrickson]

While you are adding you open the low side valve. The low side reading increases because you are measuring the pressure in the cylinder while open. The...

[bbrickson]

There is no problem running R12 and Pag oil. There also would be no problem measuring what you drain and replacing it with mineral oil. No need to flush,...

[bbrickson]

I am not guessing on this, I know for sure the compressor is a fixed displacement and it is in need of replacement. When engaged if functioning properly...

[bbrickson]

[QUOTE=georgedunham;n4207]I have a 98 GMC K1500. Compressor has had a very slow leak, I’ve gotten 2+ years on a charge before I need to do it again....

[bbrickson]

This is a well known problem and the reason the compressor was moved to the lower right side of the engine on later models.
As the fan clutch wears...