Ford Mustang (1999-2004) Service Manual: Air Conditioning (A/C) Pressure Relief Valve - 3.8L

Material

Item Specification
PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN- 12-C) WSH-M1C231- B

Removal and Installation

1. Recover the refrigerant. For additional information, refer to Section.

2. Unlatch the breather.

Air Conditioning (A/C) Pressure Relief Valve - 3.8L

3. Disconnect the mass air flow (MAF) sensor electrical connector.

Air Conditioning (A/C) Pressure Relief Valve - 3.8L

4. Remove the air cleaner outlet tube.

1. Loosen the clamp.

2. Disconnect the crankcase ventilation tube.

3. Remove the air cleaner outlet tube.

Air Conditioning (A/C) Pressure Relief Valve - 3.8L

5. Remove the A/C compressor pressure relief valve.

  • Discard the O-ring seal.

Air Conditioning (A/C) Pressure Relief Valve - 3.8L

6. To install, reverse the removal procedure.

  • Install a new O-ring seal lubricated in clean PAG oil.

7. Evacuate, leak test and charge the refrigerant system. For additional information, refer to Section.

    Suction Accumulator
    Material Item Specification PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN- 12-C) WSH-M1C231- B Removal and Installation 1. Recover the refriger ...

    Air Conditioning (A/C) Pressure Relief Valve - 4.6L
    Material Item Specification PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN- 12-C) WSH-M1C231- B Removal and Installation NOTE: Installation of a ...

    Other materials:

    Supercharger Cooling
    General Specifications a - Use the same type coolant that was drained from the cooling system. Do not mix coolant types. b - The addition of Motorcraft Cooling System Stop Leak Pellets, VC-6, darkens Motorcraft Premium Gold Engine Coolant from yell ...

    Pinpoint Tests
    PINPOINT TEST A: THE ENGINE DOES NOT CRANK AND THE RELAY DOES CLICK Test Step Result / Action to Take A1 CHECK THE VOLTAGE TO THE STARTER RELAY YesGO to A2 . No REPAIR circuit 1050 (LG/VT) for an open. TEST the system for normal operation. ...

    Shift Point Road Test
    This test verifies that the shift control system is operating correctly. 1. Bring engine and transmission up to normal operating temperature. 2. Operate vehicle with transmission range selector lever in (D) position. 3. NOTE: Shift speed ranges a ...