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.

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