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Chevy Truck
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1990
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S10/T10 P/U 4WD V6-262 4.3L
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Repair and Diagnosis
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Heating and Air Conditioning
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Locations
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Component Locations
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With A/C
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A/C Service Port
A/C Service Port
The high pressure fitting is located either in the high pressure vapor line or muffler, while the low pressure fitting is located on the accumulator.