Having problems with your 1986 Chevrolet G20 ?
Where to add A/C Refrigerant? - 1986 Chevrolet G20
At the low side line from the ac compressor, the low side is the larger of the two ac lines from the compressor, some models also have a charging port at the can shaped part the low side line goes to, this is called the accumulator.
Repair Help & Product Troubleshooting for 1986 Chevrolet G20
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