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Your A/C system will have two service ports, there isn't any "recharge" ports. You add refrigerant to the LOW side only. Prior to adding any refrigerant, you need to check the system pressures with a manifold gauge set. If the system has enough charge and there is another issue, adding refrigerant can make for worse problems. Automotive A/C is best left to the right person with the proper equipment to service them. If you follow the lines from the compressor, the LOW side will be the smaller diameter of the two service ports.
It can be near firewall,or under the air cleaner box,it will be the only one the charge hose you have will fit,it will not fit the high side service port,only the low side port,rate,if this was at all helpful,thank you.
U can't charge the AC at home on this model, there is no low side charging port, the system is charged through the high side port which requires special equipment to do this service, any automotive AC shop can do this recharge service, i assume your system has been retro-fitted to the new R134 Refrigerant, if not that will need to be done as well.
You can only attach the the recharge hose from the kit to the low side ( A/C service port) and the cap should be blue with a leter L on it. Good luck and follow the instruction and don't over charge the system. With the AC on the coldest setting, use a thermometer in a middle vent. Normal vent temperature readings will vary depending on the (ambient) outside temp. The vent temperature should range from around 42-55 degrees in my experience. If normal gauge readings are obtained and the vent air is cold - STOP don’t overcharge the system. The only proper way to remove refrigerant is with a AC recovery machine so if this is being done at home I can’t emphasize enough not to over charge the system. And actually the best way to insure the proper charge is in a system, is to use an AC machine to recover the R134a and then evacuate and recharge the system with the correct amount. Most cars have the specified amount on a decal under the hood. Good luck and hope this helps.
The LO side charge port should be on the lines on the back of the a/c compressor on that car. Some of them have a blue plastic cap on the service port and some have a black cap. ONLY CHARGE ON TH LO SIDE! There should be a tag under the hood that tells you the proper amount of charge to go into the car as well somewhere around 1.3 Lbs. Good luck.