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. Position the wiring harness: Install the wiring harness retainer onto the LH valve cover stud bolt. Install the wiring harness retainer into the power steering reservoir. 2. Connect the ECT sensor electrical connector. 3. Connect the CMP senso ...

    Axle
    Special Tool(s) 2-Jaw Puller 205-D072 (D97L-4221-A) or equivalent Adapter for 205-S127 205-105 (T76P-4020-A3) Bearing Preload Tool 205-395 (T93P-4220-A) Plate, Bearing/Oil Seal 205-090 (T75L-1165-B) Gauge, ...

    Caliper (Disassembly and Assembly)
    Special Tool(s) Rear Caliper Piston Adjuster 206-026 (T87P-2588-A) Rear Caliper Spring Compressor Set 206-S027 (T87P-2588-B) Disassembly 1. Remove the rear disc brake caliper (2552). For additional information, refer to Caliper i ...