Ford Mustang (1999-2004) Service Manual: Connect

1. Install the A/C tube lock coupling spring.

Spring Lock Coupling

2. Lubricate the inside of the coupling with PAG Refrigerant Compressor Oil (R-134a Systems) or equivalent.

Spring Lock Coupling

3. CAUTION: Use only the new O-ring seals. The use of any O-ring seals other than those specified in the Ford Master Parts Catalog may result in intermittent leakage during vehicle operation.

Install the O-ring seals.

  • Lubricate the O-ring seals with PAG Refrigerant Compressor Oil (R-134a Systems) or equivalent.

Spring Lock Coupling

4. Connect the spring lock coupling fittings with a twisting motion until the A/C tube lock coupling spring snaps over the flared end of the female fitting.

Spring Lock Coupling

5. Install the A/C tube lock coupling clip.

Spring Lock Coupling

    Cleaning
    1. Fabricate a cleaning tool from a 1/8 inch diameter brazing rod. 2. Cut an abrasive pad from maroon colored 3M Scotch Brite with the dimensions corresponding to the coupling size. 3. Assemble th ...

    Heater Hose Coupling
    Special Tool(s) Remover, Heater Hose Inlet Tube 412-042 (T85T-18539-AH) Disconnect Tool, Heater Hose 412-127 Material Item Specification MERPOL - ESE-M ...

    Other materials:

    Vehicle Identification Number (VIN) Locator
    The vehicle identification number (VIN) is a seventeen-digit alphanumeric code. The VIN is stamped on a metal tab riveted to the instrument panel, top upper left of the dash. The VIN number is also found on the vehicle certification (VC) label.   ...

    Cabin air filter
    Note: Make sure you have a cabin air filter installed at all times. This prevents foreign objects from entering the system. Running the system without a filter in place could result in degradation or damage to the system. Your vehicle is equipped with a cabi ...

    Torque Converter Diagnosis
    Prior to the installation of a new or remanufactured torque converter, all diagnostic procedures must be followed. This is to prevent the unnecessary installation of torque converters. Only after a complete diagnostic evaluation can the decision be m ...