Ford Mustang (1999-2004) Service Manual: Pressure Relief

Special Tool(s)

Fuel Pressure Gauge 310-012 (T80L-9974-B)

WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related components. Highly flammable mixtures are always present and may be ignited, resulting in possible personal injury.

WARNING: Fuel in the fuel system remains under high pressure even when the engine is not running. Before servicing or disconnecting any of the fuel lines or fuel system components, the fuel system pressure must be relieved to prevent accidental spraying of fuel, causing personal injury or a fire hazard.

1. Remove the Schrader valve cap and install the Fuel Pressure Gauge.

Pressure Relief

2. CAUTION: Open the manual valve slowly on the Fuel Pressure Gauge.

Relieve the fuel pressure.

  • Place the fuel in a suitable container.

Pressure Relief

    Fuel System (Description and Operation)
    Component Location   WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related components. Highly flammable mixtures are always prese ...

    Fuel Tank Draining
    Special Tool(s) Fuel Storage Tanker 164-R3202 or equivalent Fuel Tank Drain Hose 310-F013 WARNING: Do not smoke or carry lighted tobacco or an open flame of any type whe ...

    Other materials:

    Inspection and Verification
    WARNING: Batteries contain sulfuric acid. Avoid contact with skin, eyes, or clothing. Also, shield your eyes when working near batteries to protect against possible splashing of the acid solution. In case of acid contact with skin or eyes, flush ...

    Four Wheel Anti-Lock Brake System (4WABS) Hydraulic Control Unit (HCU)
    NOTE: This procedure only needs to be performed if the 4-wheel anti-lock brake (4WABS) hydraulic control unit (HCU) has been installed new or if the HCU lines have been opened. 1. Clean all dirt from and remove the brake master cylinder filler cap ...

    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 new suction accumulator is not required when repairing the ...