It is important to adjust the refrigerant oil level before servicing or repairing the HVAC hose/line on a 3.7L engine to stop damage to the
A/C Compressor. If you change several A/C components, study the Refrigerant Oil Capacities chart to see the needed quantity of oil. Before opening a refrigerant line, always change the O-ring seals or gaskets to keep leaks from occurring. First, take out the tape or plugs from the discharge line fittings and compressor and condenser ports. Lubricate the new O-ring seals with pure refrigerant oil, then fit them and the new gaskets over the fittings on the discharge line using only O-rings made for R-134a and recommended A/C compressor oil. Place the
A/C Condenser on the left of the car to give enough space, join the A/C discharge line to the condenser and tighten the nut by hand. Fix the A/C condenser to the right side of the
Radiator using a 5 Nm (44 in. lbs.) bolt. Secure the connection between the air conditioner's discharge line and the condenser by tightening that nut to 22.5 Nm (200 in. lbs.) and then assemble the
Grille. Attach the A/C discharge line to the A/C compressor and fasten it with a nut that you tighten to 12 Nm (105 in. lbs.). Fit the housing for the air cleaner, reconnect the negative
Battery Cable, evacuate the air conditioning system, set the refrigerant oil level correctly and charge the refrigerant system.