Hello, the low side is normally the one closest to the big silver tank looking thing, also if you bought a refill kit at a parts store, the hose that comes with the kit will only fit on the low side port, and it will Not even fit on the wrong high side port, the low side will have a smaller fitting and high side has a bigger fitting that will make it impossible to screw it on to that high side, so don't try to jam it on , if it doesn't fit nice your at the wrong port. one more thing when you buy a refill kit, it will have some directions as to witch is the low side port, Good luck with cold air system.
SOURCE: where is the port where you put freon in on a 2001 lincoln ls?
it is the one that is blue in color and has an L on it for low pressure. The vapor line is also called the suction line. If your confused, then choose the larger of the two lines near the accumulator.
SOURCE: Looking for low pressure port for servicing Freon
The ports on my 2005 silverado are on the same line,which is very confusing but, in between the two ports is the metering device (orifice) which changes the high pressure gas into a low pressure gas.The two ports are of a different size,with the low pressure being the smaller of the two. You can put your hand on the line, on each side of the metering device connection and the high side will be hot and the low side will be cold
SOURCE: cant find low side fill port for freon fill
it on the top of the dryer against the fire wall
SOURCE: i need to add freon ton a 1998 suburban. I
If the compressor will run turn it on and let it run for a few minutes, the line that gets cold is the low pressure side, this is usually the one closest to the firewall. The reason that they are 6 inches apart is that they are on opposite sides of the orfice tube, hence one is high pressure and one is low.
SOURCE: air conditioners
The low side port is on the side of the accumulator/dryer. The arrow is pointing to a hose connection, but to the right of that connection is the low side pressure port.
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