Ford Mustang (1999-2004) Service Manual: Cleaning

1. Fabricate a cleaning tool from a 1/8 inch diameter brazing rod.

Spring Lock Coupling

2. Cut an abrasive pad from maroon colored 3M Scotch Brite with the dimensions corresponding to the coupling size.

Spring Lock Coupling

3. Assemble the pad to the tool.

Spring Lock Coupling

4. Coat the abrasive pad with PAG Refrigerant Compressor Oil (R-134a Systems) or equivalent.

5. Roll the pad on the tool and install it in a variable speed drill motor.

6. CAUTION: Maintain low speed drill rotation when inserting or removing the cleaning tool to prevent axial scratches which may cause future leaks.

Polish for one minute at moderate speed (less than 1,500 rpm) or until the surface is clean and free of scratches or foreign material.

Spring Lock Coupling

7. Clean the fitting with a lint-free cloth.

8. Inspect the surface for grooves or scratches. If grooves and scratches are still present, install a new component.

9. Clean the O-ring seal grooves with a 300 mm (12 inch) length of natural fiber string.

  • Loop the string around the grooves and pull the string back and forth.

Spring Lock Coupling

10. Remove any foreign material from the grooves with a lint-free cloth.

    Disconnect
    1. Remove the A/C tube lock coupling clip (19E746), if equipped. 2. Fit the special tool to the spring lock coupling. 3. Push the tool into the cage opening to release the female fitting from the ...

    Connect
    1. Install the A/C tube lock coupling spring. 2. Lubricate the inside of the coupling with PAG Refrigerant Compressor Oil (R-134a Systems) or equivalent. 3. CAUTION: Use only the new O-ring seals ...

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