Question about 1993 Chevrolet Camaro

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A/c compressor not cycling

Added all new components to a/c system. need to know what the head pressure should build to. 1994 camaro v6. system holds 2lbs of freon.

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  • mgentryholt Jan 02, 2009

    Temp was 60 degrees. Evaced system for 30 mins. R134a freon. Temp may be too low to get system to cycle correctly, but I wanted to make sure of what I was doing.

  • dp1mat May 11, 2010

    What is the ambient temp at your location? Did you evacuate the system for 30mins before adding freon? What kind freon did you use?

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  • 469 Answers

Check your pressure switches on the ac lines going to the fire wall and see if they are working correctly

Posted on Feb 11, 2009

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It sounds like you've done just about everything except to check if there is a bad or intermittent wire causing this or perhaps your low-pressure safety cutout switch is possible going bad causing the compressor to kick on and off?

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Apr 17, 2011 | 1994 Chrysler LeBaron

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I put a can of 134a it seemed to help but still blew hot air sometimes while putting in a second can I noticed the cluch on the compressor engaging and dissenguaging quickley.Is the compressor bad?


1) get a gauge to check on the low side pressure when adding refrigerant to see if it's too low or too high.
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95 Camaro Z-28 starts hard


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1 Answer

Adding freon to the auto air conditioner, the


On that model,it will cycle on and off while you add freon.If it does not ,then the ac system might have a problem.The low side pressure switch is located on,or near the accumulator .Unplug the switch and take the wire end plug and connect the two plug in`s together(cross it out on the wire).This will make the ac compressor engage and you can charge the system,do not leave the wire connected,plug it back up to switch.If the ac compressor does not come on ,then have the system checked out.

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High Head pressure in my AC compressor on my 2000 Dodge Caravan


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A/C was working, now compressor runs, but no cold air.When compressor starts and stops, pressure does not change on low side. Is there a filter that could be plugged?


No inline filter, you may need to recharge this system if the compressor is cycling on and off with no cold air. check the lines for leaks. check the clutch on the compressor as well for its operational value. it should engage with a click during the cycle.

May 25, 2009 | 1995 Chevrolet Camaro

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I need to know how to jump the ac low pressure to get my ac compressor to come on.


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93 Camero v6 engine


The cooling system could have air in it and need bleeding.I would suggest a pressure test on the system.If you are sure that it has to much pressure.I would suggest a compression test to eliminate blown head gaskets or cracked or warped heads.Also check you intake gaskets.Good Luck!!!!!

Aug 03, 2008 | 1993 Chevrolet Camaro

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