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'99 - '06 GM Truck Modifications
Tech Discussion
2001 Tahoe high presure on low side of A/C
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<blockquote data-quote="idatahoe" data-source="post: 29160" data-attributes="member: 15122"><p>Thank you for your replies!</p><p></p><p>How could it be low on refrigerant with the low side getting up to 60 PSI, then the compressor clutch disengaging?</p><p></p><p>Ambient was around 60 or 70F when I tested.</p><p></p><p>Whenever I've charged a system before, it's seemed like the low side goes down when the compressor is running, if it's low. It usually doesn't build pressure, but maybe I'm missing something.</p><p></p><p>The refrigerant bottle even says to charge the low side if it's low, and if the pressure gets that high then something else is needed.</p></blockquote><p></p>
[QUOTE="idatahoe, post: 29160, member: 15122"] Thank you for your replies! How could it be low on refrigerant with the low side getting up to 60 PSI, then the compressor clutch disengaging? Ambient was around 60 or 70F when I tested. Whenever I've charged a system before, it's seemed like the low side goes down when the compressor is running, if it's low. It usually doesn't build pressure, but maybe I'm missing something. The refrigerant bottle even says to charge the low side if it's low, and if the pressure gets that high then something else is needed. [/QUOTE]
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