Ford Mustang (1999-2004) Service Manual: Piston - Ring-to-Groove Clearance

1. Inspect the piston for ring land damage or accelerated wear.

Piston - Ring-to-Groove Clearance

2. Measure the piston ring-to-groove clearance.

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

Piston - Ring-to-Groove Clearance

    Piston - Ring End Gap
    CAUTION: Use care when fitting piston rings to avoid possible damage to the piston ring or the cylinder bore. CAUTION: Piston rings should not be transferred from one piston to another. NOTE: Cylin ...

    Piston - Pin Diameter
    1. Measure the piston pin diameter in two directions at the points shown. Verify the diameter is within specification. Refer to the appropriate section in Group for the procedure. If out of s ...

    Other materials:

    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, ...

    Electronic Engine Controls (Description and Operation)
    The electronic engine controls consist of the following: powertrain control module (PCM) throttle position (TP) sensor idle air control (IAC) valve engine coolant temperature (ECT) sensor cylinder head temperature sensor camshaft position ...

    Disassembly
    1. CAUTION: Do not place the cylinder head flat on the bench; the valves will bend. CAUTION: Before disassembly begins, mark the valve position on the face of each valve being removed. The valves must be re-installed into the same positions. Install the spec ...