Expansion Block/Orifice Tube: Service and Repair

WARNING: REVIEW THE WARNINGS AND CAUTIONS BEFORE PERFORMING THE FOLLOWING OPERATION.

REMOVAL
1. Disconnect and isolate the battery negative cable.
2. Recover the refrigerant from the refrigerant system. See Refrigerant Recovery for the procedures.
3. Disconnect the liquid line from the condenser outlet tube refrigerant line coupler. See Refrigerant Line Coupler for the procedures. Install a plug in, or tape over the opened condenser outlet tube fitting.
4. Remove the fixed orifice tube from the disconnected end of the liquid line using a needle nose pliers. Note the orientation of the fixed orifice tube for correct reinstallation.

INSTALLATION

Fixed Orifice Tube - Typical:

1. Install the fixed orifice tube in the liquid line. Be certain that it is oriented correctly within the refrigerant system flow.
2. Remove the tape or plug from the condenser outlet tube fitting. Connect the liquid line to the condenser outlet tube refrigerant line coupler. See Refrigerant Line Coupler for the procedures.
3. Evacuate the refrigerant system. See Refrigerant System Evacuate for the procedures.
4. Charge the refrigerant system. See Refrigerant System Charge for the procedures.
5. Connect the battery negative cable.