Ford Mustang (1999-2004) Service Manual: 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: Cylinder bore must be within specification for taper and out-of-round.

1. Use a piston without rings to push a piston ring in a cylinder to the bottom of ring travel.

Piston - Ring End Gap

2. Use a feeler gauge to measure the top piston ring end gap and the second piston ring end gap.

  • Refer to the appropriate section in Group for the procedure.

Piston - Ring End Gap

    Piston - Selection
    NOTE: The cylinder bore must be within the specifications for taper and out-of-round before fitting a piston. 1. Select a piston size based on the cylinder bore. 2. NOTE: For precision fit, new ...

    Piston - Ring-to-Groove Clearance
    1. Inspect the piston for ring land damage or accelerated wear. 2. Measure the piston ring-to-groove clearance. Refer to the appropriate section in Group for the procedure. If out of specifica ...

    Other materials:

    Installation
    LH mount 1. Position the engine mount and install the bolt and studbolts. 2. Attach the ground cables and install the nuts. RH mount 3. Position the engine mount and install the bolts and studbolt. 4. Attach the wiring harness and install the nut. Both ...

    Installation
    1. Install the upper arm and bushing to the mounting bracket. 1. Position the arm and bushing. 2. Install a new nut and bolt. Do not tighten at this time. 2. Connect the upper arm and bushing to the axle. 1. Position the arm and bushing. 2. Install a ...

    Bar - Stabilizer
    Removal CAUTION: Suspension fasteners are critical parts because they affect performance of vital components and systems and their failure can result in major service expense. A new part with the same part number or an equivalent part must be installed, if i ...