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There are two coolant lines that come from the compressor. One line goes to the condenser (radiator looking thing in front of the engine radiator). That line is the High side. From the radiator, that line goes through the firewall. The OTHER line that goes to the comressor is the LOW side, or some call it the suction side. Somewhere along that line you should be able to find a refrigerant test port. The low side will only be low when the compressor is running.
What else can I help you with?
Where is the low side AC port on a 2000 Chevy Silverado?
Its on the low side (suction side) from the compressor to the accumulator........
Where is the suction or low pressure side of the AC located on a 1995 Chevy Tahoe 4 wheel drive?
The low side is always the big line on the a/c system. The little line is the high side.
Where is the AC low side service port on an 2002 alero?
Its on the suction (low) side hose coming from the accumulator going to the evaporator...
Where is your low side suction port on your 1995 caravan?
There is a web site www.idqusa.com where there is helpfull information about your vehicle ac system. There is a lowside port locator on there.
Where is the ac low port on 99 ex with 5.4?
Its located on the suction side on the a/c accumulator......
Where do you charge your ac in a 1993 Saturn?
You add freon to the a/c by using the low side, suction side (larger hose).............
Where do you put Freon at in a 1999 Saturn Coupe?
In the ac system through the low side service port.In the ac system through the low side service port.
Where is the ac low pressure side port on 1999 Mercury Cougar?
Its located on the low side (suction hose) side, follow the hose from the accumulator to the a/c compressor.......
Where is the AC low side service port on 2005 deville?
Its on the suction hose right next to the accumulator...
What is the low side suction pressure for a 2000 Subaru Imprezza ac compressor?
the low side vaccumm should hold between 23-30 vac
Where is the low pressure suction side ac charging connector located on a 1998 Jeep Cherokee?
Technically, there isn't any "suction" on an AC system. The "low" side is usually near the receiver/dryer if your system has one. The "high" side goes directly from the compressor to the condenser and directly from the condenser to the passenger compartment. The line that goes from the passenger compartment to the compressor (with a possible diversion to the receiver/dryer) is the low side. Look for the fitting along that line. Just trace the lines and you can't go wrong.
Locate the low presure ac port on 2005 Dodge Durango?
The low side service port is located on the suction line at the top of the engine.....
