Lincoln 8C3Z-19703-A Compressor Assembly

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On some models, special spring-lock coupling tools are required to release the connectors used on the refrigerant lines throughout the air conditioning system. There are different special tools for each line size; these tools can usually be found at local auto parts stores, often in a set. REMOVAL: Take the vehicle to a dealer service department or automotive air conditioning shop and have the air conditioning system discharged. Disconnect the cable from the negative battery terminal. Remove the accessory drivebelt(s). If you're working on an Expedition or Navigator model, raise the vehicle and support it securely on jackstands. On air-suspension-equipped vehicles, turn the switch OFF before jacking the vehicle up. Remove the plastic air deflector beneath the radiator (Expedition and Navigator models only). Remove the bolt and disconnect the refrigerant lines from the compressor. Disconnect the electrical connection at the compressor clutch. Remove the compressor mounting bolts. Remove the compressor from the mounting location. Drain and measure the refrigerant oil from the compressor. INSTALLATION: If the compressor is being replaced, drain any shipping oil that may be in the new compressor. If the amount of refrigerant oil drained from the old compressor was 3 to 5 ounces, add new oil in that amount plus an extra ounce to the new compressor. If the amount drained was more than 5 ounces, add that amount of new oil, and if the drained amount was less than three ounces, add three ounces of new oil to the new compressor. Installation procedures are the reverse of those for removal. When installing the fitting block, use new O-rings and lubricate them with clean refrigerant oil. Replace the orifice tube. The orifice is a plastic tube with a filter inside. On some models it is located in the high pressure line from the condenser. On other models it's located in the evaporator inlet line. Recessed inside the refrigerant pipe slightly, it is difficult to remove without a small tool that is inserted and expanded until it grabs the orifice tube so that it can be pulled out. The same tool, available at auto parts stores, can be used to insert a new orifice tube. Make sure the tube is inserted in the same direction as the old one. After the compressor is installed, have the system evacuated, recharged and leak tested by a dealer service department or an air conditioning repair facility.

To remove the orifice tube, a small tool is needed to be inserted and expanded until it grabs the orifice tube, allowing it to be pulled out. The same tool can be used to insert a new orifice tube. It's important to make sure the tube is inserted in the same direction as the old one.