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:

    Cable and Conduit
    Removal NOTE: The RH rear is shown, the LH is similar. 1. CAUTION: If any component in the parking brake system requires repair or if the rear axle housing (4010) is removed, the cable tension must be released. Release the cable tension. For additional ...

    Cable - Antenna Lead In
    Removal 1. Remove the audio unit. Refer to Section. 2. Lower the glove compartment by releasing the stops from the instrument panel. 3. Disconnect the antenna in-line connector. 4. Remove the antenna lead in cable. 1. Disconnect the pin-type ...

    Component Tests
    Steering Linkage 1. NOTE: Excessive vertical motion of the studs relative to the sockets may indicate excessive wear. With the parking brake applied, perform the following: Have an assistant rotate the steering wheel back and forth 360 degrees and watch ...