If you are looking at adding r134a to the system, the new hoses you get with the r134a will only fit on the low side of the system. It is not like in the old days and the gage would fit on both sides. What with that said the low side is the one going to the dryer and the line is normally larger than the high pressure side. Hope this helps.
SOURCE: location of low side ac port
the low side charging port is near the AC Accumulator/Reciever dryer cannister in the larger of the 2 AC lines.
SOURCE: Searching for low-side port to recharge AC on 1997
hello dsouris: Locate the A/C accumulator on the left inner fender well. This will be a round aluminum cylinder with two lines coming out of it. Follow the large line that runs back to the firewall. You should see a shadder valve in this line. This will be the suction line or low side line. This will be the line used to charge the A/C system. If you need further help please just ask. If this information please rate the information as it helps.Thank You for using FixYa. Roger
SOURCE: ac low side service port location
Your service port will always be in the larger line of the two .. which is low pressure side. It might be in the dryer also which is low side.. your dryer is about 3 inches across and 8 inches long and also has your pressure switch for the AC compressor in it.. holler if you dont find it now... thanks Jerry
SOURCE: where is the a/c low side service port for 1995 Ford Taurus
Locaed on the bulkhead on the passangers side. A plastic shield runs along the top of the bulkhead hald by three plastic clips and screws. remove this and you will see the connector port.
SOURCE: where is the ac low side service port on a 2004
NEAR firewall engine compartment TWO aluminum tubes attatched to canister
follow to connector port ONLY one will connect to the AC kit hose
so you try it if it attatches its correct
you do have to unscrew plactic cap on the low side port connector
ENGINE HAS TO BE RUNNING COMPRESSOR NEEDS TO BE ON
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