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:

    Sitting in the correct position
    WARNING: Sitting improperly out of position or with the seat back reclined too far can take off weight from the seat cushion and affect the decision of the passenger sensing system, resulting in serious injury or death in a crash. Always sit upright against yo ...

    Speed Control (Diagnosis and Testing)
    Refer to Wiring Diagrams Cell 31 , Speed Control for schematic and connector information. Special Tool(s) Worldwide Diagnostic System (WDS) 418-F224, New Generation STAR (NGS) Tester 418-F052, or equivalent diagnostic tool 7 ...

    Engine - Mach I 4.6L (4V)
    General Specifications Engine Specifications a - Newly Installed-Refers to the condition of the "NEW" drive belt before the engine has made no more than one rotation and before the belt has had a chance to stretch or seat into the pu ...