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. NOTE: A new torque converter drain plug must be used. Install the torque converter drain plug. 2. Install the torque converter housing plug. 3. CAUTION: If installing a new filter, and the seal remains in the main control bore, carefully use a small ...

    Storage Compartments
    CENTER CONSOLE Stow items in the cupholder carefully as items may become loose during hard braking, acceleration or collisions, including hot drinks which may spill. Available console features include: • Cupholders in the front of the console (Pull the doo ...

    SecuriLock® passive anti-theft system
    Note: The system is not compatible with non-Ford aftermarket remote start systems. Use of these systems may result in vehicle starting problems and a loss of security protection. Note: Metallic objects, electronic devices or a second coded key on the same key ...