1999 Cadillac DeVille "air compressor blows pressure valve" Questions

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...air conditioning compressor is the heart of the AC system, and Freon is the blood. The compressor pumps Freon throughout the AC system, either the older type R12 which costs as much as gold it seems ...

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...compressor comes on and cold air blows inside from under the dash. when there's air in the cooling system it can give a super hot reading because there;s no coolant where the temp sensor is ...

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Question about Cadillac DeVille

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compressor you should see an outlet/inlet valve, you can use your key or a small screwdriver to depress a valve in it to see if its got pressure, just give it a quick push to see if pressure comes out

Question about Cadillac DeVille

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...air as it used to. I was going to add some more freon and the gauge that came with the can does not fit the valve. Is there a certain size i need to get? > I was going to add some more freon and ...

...air starts. The low side is high about 90 and the high side is 150. Possible compressor problems? Above solution is correct, had the same problem with mine and it was the expansion valve. those ...

Question about Cadillac DeVille

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...air A/C on max compressor is engaged low pressure side is 155 psi at idle temp 100 degrees blowing hot air Low side pressure should be 28-32 PSI, you have a big problem here, possible expansion valve ...

Question about Cadillac DeVille

3 Answers

...air. Compressor activates and system has pressure. Could be the expansion valve. That's what allows the temperature to actually drop in the system - the contents of the AC system are under pressure, ...

...compressor freon came out for awhile thn stopprd the air is cold so i assume it did not loose all freon so does it have pop off vave Yes it does have a pressure relief valve so u don't blow the line ...

Question about Cadillac DeVille

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...compressor circulates the refrigerant in the AC system and carries the warm air to cool. Examine the condenser. The condenser pushes the air and expels the warm air from the vehicle. Find the ...

air compressor will build air to 45 psi but no futher and regulator is also at 45 psi and no higher and has been running for over4 hours this is a single stage 4 horse 18 gal craftsman modle 919-16418

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