Question about 1994 Buick Century
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Posted on Jan 02, 2017
It depends on the size of the cans!
The low side is the "thick" pipe that comes straight out of the inside radiator (evaporator) to the compressor, the high side is the thin pipe, running from the compressor to the outside radiator (condensor), then the liquid receiver (the part that looks like a soda can) Add a can of freon while the car is running with a/c on, check the sight glass on the liquid receiver the whole time. If there is enough freon in the system the sight glass should look almost full. If it's not enough, add another can.
Posted on Jul 06, 2009
Easy. find the compressor. The larger hose attaching to the compressor is the "suction" side. This is where you install the refrigerant.
The smaller hose, whether rubber or metal as it travels to the passenger compartment, is the high pressure side.
After installing refrigerant and as the compressor is running, the larger hose will feel cool and the pressure side will feel hot.
Posted on Jul 29, 2009
mcdevito75 here, The low side port of your A/C is located on one of the shiny metal lines comeing out of the firewall, they are attached to the evaporator under the dash, from the firewall carefully follow these silver lines till you reach the charge port. The port may be covered with a brass looking cap, un srew the capp and the port looks like the valve on the tire.
Posted on Jun 19, 2010
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