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Air conditioning experts in here please
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<blockquote data-quote="SVT CAMR" data-source="post: 14132392" data-attributes="member: 83181"><p>First thank for everyone who contributed to this thread. </p><p></p><p>I wound up re-evacuating with my bigger electric pump and was able to pull 28 pounds of pressure. (I found the fittings I needed to make it work) The other small pump would only pull 24.</p><p></p><p>I filled it today. It took all 2.2 lbs of 134a.</p><p></p><p>The pressure came in at low side 22 and high side 125 The outside temp was 52 degrees.</p><p></p><p>My thermometer came in at lowest was 36 degrees and highest was 45. Normal was 39-40. It started out at 68 degrees. The compressor was cycling on and off throughout the entire process.</p><p></p><p>Driving around with the thermostat in the vent I saw 36 degrees briefly and then it would creep to 40 then 44 then I guess the compressor would kick back on and bam 39-40 degrees again. Is it normal for the compressor to turn on an off so much?</p><p></p><p>I found multiple charts on the internet saying at 60 degree temps the pressure should be at 25-35 low side and 125-150 high side. My outside temp was 52 degrees. Comparing numbers I say I'm pretty close </p><p></p><p>How did I do?</p></blockquote><p></p>
[QUOTE="SVT CAMR, post: 14132392, member: 83181"] First thank for everyone who contributed to this thread. I wound up re-evacuating with my bigger electric pump and was able to pull 28 pounds of pressure. (I found the fittings I needed to make it work) The other small pump would only pull 24. I filled it today. It took all 2.2 lbs of 134a. The pressure came in at low side 22 and high side 125 The outside temp was 52 degrees. My thermometer came in at lowest was 36 degrees and highest was 45. Normal was 39-40. It started out at 68 degrees. The compressor was cycling on and off throughout the entire process. Driving around with the thermostat in the vent I saw 36 degrees briefly and then it would creep to 40 then 44 then I guess the compressor would kick back on and bam 39-40 degrees again. Is it normal for the compressor to turn on an off so much? I found multiple charts on the internet saying at 60 degree temps the pressure should be at 25-35 low side and 125-150 high side. My outside temp was 52 degrees. Comparing numbers I say I'm pretty close How did I do? [/QUOTE]
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