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
    All vehicles 1. Position the engine front cover gasket on the engine front cover. 2. NOTE: If the engine front cover is not secured within four minutes, the sealant must be removed and the sealing area cleaned with metal surface cleaner. Allow to dry until ...

    Automatic climate control
    Note: To use the touchscreen controls, see the Touchscreen climate controls in the Navigation System chapter. A. CLIMATE: Control the system through the touchscreen display. See Touchscreen functions later in this section. B. Rear defrost: Turns the heated ...

    Diagnostics
    Special Tool(s) Transmission Fluid Pressure Gauge 307-004 (T57L-77820-A) Air Test Plate, Transmission 307-246 (T92P-7006-A) Alignment Gauge, TR Sensor 307-351 (T97L-70010-A) Breakout Box, EEC-V Control S ...