Ford Mustang (1999-2004) Service Manual: Valve Spring Strength

Special Tool(s)

 Pressure Gauge, Valve/Clutch Spring 303-006 (TOOL-6513-DD) or equivalent

1. Use a Valve/Clutch Spring Pressure Gauge to check the valve spring for correct strength at the specified valve spring length.

  • Refer to the appropriate section in Group 303 for the procedure.
  • If out of specification, install new components as necessary. Refer to the appropriate section in Group 303 for the procedure.

Valve Spring Strength

    Valve Stem to Valve Guide Clearance
    Special Tool(s) Dial Indicator Gauge with Holding Fixture 100-002 (TOOL-4201-C) or equivalent Clearance Gauge, Valve Guide 303-004 (TOOL-6505-E) or equivalent NOTE: Valve ...

    Valve - Seat Inspection
    Valve and Seat Refacing Measurements CAUTION: After grinding valves or valve seats, check valve clearance. 1. Check the valve head and seat. Check valve angles. Check margin width. Refer t ...

    Other materials:

    Valve Cover RH
    Material Item Specification Metal Surface Cleaner F4AZ-19A536-RA or equivalent WSE-M5B392- A Silicone Gasket and Sealant F7AZ-19554-EA or equivalent WSE-M4G323- A4 PAG Refrigerant Compressor Oil F7AZ-19589-DA (Motorcraf ...

    Idle Air Control (IAC) Valve - 4.6L (2V)
    Removal 1. Disconnect the battery ground cable. For additional information, refer to Section. 2. NOTE: Discard the idle air control (IAC) valve gasket. Remove the IAC valve. Disconnect the connector. Disconnect the hose. Remove the bolts, ...

    Pinpoint Tests
    CAUTION: Before removing and installing the GEM or its connectors, disconnect the battery. Failure to follow this caution will result in the GEM storing many erroneous DTCs and it may exhibit erratic operation after installation. CAUTION: Be careful when pr ...