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:

    Bumpers
    Torque Specifications Bumpers CAUTION: Never apply excessive heat to the bumper cover surface. Heat could cause distortion of the bumper cover. The bumper systems consist of the following components: front bumper front bumper cover front bumper cover (Co ...

    Mass Air Flow (MAF) Sensor - Cobra
    Removal and Installation 1. Disconnect the intake air temperature (IAT) sensor. 2. Disconnect the breather hose. 3. Disconnect the vacuum hose. 4. Loosen the clamps and remove the air cleaner outlet pipe. 5. CAUTION: The mass air flow (MAF) sensor ho ...

    Brake System (Diagnosis and Testing)
    Refer to Wiring Diagrams Cell 60, Instrument Cluster for schematic and connector information. Refer to Wiring Diagrams Cell 97, Daytime Running Lamps for schematic and connector information. Special Tool(s) 73 Digital Multimeter 105-R0051 or Equiva ...