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:

    Positive Crankcase Ventilation (PCV) Hose
    Removal and Installation 1. Disconnect the hose on the PCV valve. 2. Twist and remove the PCV valve. 3. To install, reverse the removal procedure.   ...

    Pinpoint Tests
    PINPOINT TEST A: THE SPEED CONTROL IS INOPERATIVE Test Step Result / Action to Take A1 CHECK THE SPEED CONTROL SERVO VOLTAGE AND GROUND YesGO to A3 . No GO to A2 . Key in OFF position. Disconnect: Speed Control Servo C122. ...

    Idle Air Control (IAC) Valve - Mach I
    Removal and Installation 1. Remove the air intake scoop. For additional information, refer to Section. 2. Disconnect the idle air control (IAC) valve electrical connector. 3. Remove the bolts, the IAC valve and the gasket. 4. NOTE: Install a new ga ...