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:

    Inspection and Verification
    1. Verify the customer's concern by operating the climate control system to duplicate the condition. 2. Inspect to determine if one of the following mechanical or electrical concerns apply: Visual Inspection Chart Mechanical Electrical ...

    Transmission Case
    Special Tool(s) Handle 205-D055 (D81L-4000-A) Installer, Bearing Cup 204-039 (T77F-1217-B) Installer, Drive Pinion Bearing Cup 205-054 (T71P-4616-A) Installer, Rear Axle Oil Seal 205-155 (T80T-4000-Y) ...

    Switch - Seat Regulator Control
    Removal and Installation 1. Disconnect the battery. For additional information, refer to Section. 2. Remove the screws and position the seat regulator control switch aside. 3. Disconnect the electrical connector and remove the seat regulator control swit ...