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:

    Creating a MyKey
    Use the information display to create a MyKey. For Type 1 information displays: 1. Insert the key you want to program into the ignition. 2. Switch the ignition on. 3. Access the main menu within the information display, and press SETUP using the information d ...

    Hydraulic Lash Adjusters
    Removal 1. Remove the roller followers. For additional information, refer to Roller Followers in this section. 2. Remove the 16 hydraulic lash adjusters. 3. Inspect the roller followers. For additional information, refer to Section. Installation 1. To ins ...

    Switch - Traction Control
    Removal and Installation 1. NOTE: If the vehicle is equipped with an automatic transmission, position the shift lever in the 1 position before detaching the floor console finish panel. Lifting from both sides, detach the floor console finish panel. ...