Ford Mustang (1999-2004) Service Manual: Piston Inspection

Special Tool(s)

Scraper, Piston Ring Groove 303-D033 (D81L-6002-D) or equivalent

CAUTION: Do not use a caustic cleaning solution or a wire brush to clean the pistons or damage can occur.

1. Clean and inspect the (1) ring lands, (2) skirts, (3) pin bosses, and the (4) tops of the pistons. If wear marks, scores or glazing is found on the piston skirt, check for a bent or twisted connecting rod.

Piston Inspection

2. Use the Piston Ring Groove Scraper to clean the piston ring grooves.

  • Make sure the oil ring holes are clean.

Piston Inspection

    Crankshaft - Connecting Rod Journal Taper, Out of Round
    1. Measure the crankshaft connecting rod journal diameters in two directions perpendicular to one another at each end of the connecting rod journal. The difference in the measurements from one e ...

    Piston - Pin to Bore Diameter
    1. WARNING: Cover the end of the pin bore with a hand or shop rag when removing the retainer ring, since it has a tendency to spring out. Wear eye protection. NOTE: Piston and piston pins are a matc ...

    Other materials:

    Installation
    1. Install a new upper intake manifold gasket. 2. NOTE: Refer to the location note made during removal and make sure the bolts are installed in the correct locations. Install the upper intake manifold. Tighten the bolts in two stages in the sequence shown ...

    Keyless Entry/Computer Operated Locks
    Programming -Keyless Entry Remote Transmitter NOTE: All keyless entry remote transmitters (15K601) must be programmed at the same time. NOTE: All previous transmitter identification codes (TIC's) will be erased when programming mode is entered. ...

    Moulding - Rocker Panel
    Removal 1. Remove the front rocker panel moulding screw. 2. Remove the strip. 3. Remove the rear rocker panel moulding screw. 4. Remove the pin-type retainers and the rocker panel moulding. Installation 1. To install, reverse the removal procedure. ...