The low side fitting is on the line to the drivers side of the AC compressor.
The easy way to find it is to lay on the ground under the front bumper and fondle the back (drivers side) of the AC compressor until you find the line, then run your and over it until you find the fitting.
Valve is located on low pressure hose by A/C compresser. Easy to get to with car jacked up.
High Side Small Diameter Hose, Low Side Large Hose. The High Side Runs Hot, The Low Side Cold. Best I Can Do With Info You Provided.
No. You will risk injuring yourself if the can of refrigerant blows up in your hand.
Under the hood, on the passenger side, just next to the firewall is a silver can-looking thing that has AC lines running in and out. The can, called a 'receiver/dryer' may, or may not, be wrapped in black foam. The AC line coming out of the receiver/dryer has the low pressure side port, that's where you add refrigerant and/or oil. Don't add oil unless you KNOW that it's low. Too much refrigerant oil can destroy the AC system.
Larger hose from the compressor maybe near the drier at the passenger side firewall
It is a low pressure AC clutch cut out switch. It keeps the compressor from running if the system is low or empty of freon.
There is an ac relay on the grand caravan. It is mounted on the inside of the driver side fender.
The low pressure ac port is on the passenger side of the vehicle. It is close to the firewall mounted on the low side aluminum line.
Behind the grille
The low pressure port on the 99 Grand am is on the passenger side. It is right against the firewall.
The larger diameter hose is the low side.
Usually located on the accumulator at the rear of engine compartment on passenger side
You charge the ac system on a vehicle through the low side port. There is alot of DIY (do it yourself ) tools in the market for you to work on your ac system. You can find a lot of helpfull information on www.idqusa.com.
The AC low and high pressure switch is located in a housing unit near the battery. It is along the edge of the drivers side of the engine bay in a metal refrigerant line.
You want to charge the system on the low side fitting which is blue. Red is the high side.
under the front of car right side off the compressor with a blue cap
MY WIFE TOLD ME: THAT HAPPENS WHEN THE AC SYSTEM IS LOW IN REFRIGERANT, (IF SHE SAYS THAT , IT'S TRUE )
Should be (looking at car) right side rear by firewall