Start by releasing the air conditioning system. Lift the car and put it on jackstands. Place radiator support panel under service. On the 2.0L model, delete the intercooler on the right. Unhook refrigerant lines of the A/C Accumulator and capped or blocked open lines immediately to avoid the entry of dirt or moisture. Unscrew the mounting bracket fasteners and take the A/C Accumulator out together with the mounting bracket. Incidentally undo the A/C Accumulator fastener and disassemble the A/C Accumulator and the bracket. In case of changing the A/C Accumulator, pour new refrigerant oil into the new unit and make sure that it is R-134a compatible. Install the bracket/A/C Accumulator and install the new A/C Accumulator in the bracket and tightly secure the fasteners. Connect the inlet and outlet lines and apply clean refrigerants oil on the new O-rings and tightly screw the refrigerant line fasteners. Lastly, evacuate and recharge the system and leak test by the shop that leaked it.