Ford Mustang (1999-2004) Service Manual: Piston Inspection
Special Tool(s)
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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.

2. Use the Piston Ring Groove Scraper to clean the piston ring grooves.
- Make sure the oil ring holes are clean.

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:
Removal
1. Remove the differential assembly from the differential housing. For
additional information, refer
to Differential Case in this section.
2. CAUTION: Record the torque necessary to maintain rotation of the drive
pinion gear
through several revolutions prio ...
Exhaust Manifold to Exhaust Gas Recirculation (EGR)
Valve Tube - Mach I
Removal
1. Remove the air intake scoop. For additional information, refer to
Section.
2. Disconnect the exhaust gas recirculation (EGR) tube from the EGR valve.
3. With the vehicle in NEUTRAL, position it on a hoist.
4. Disconnect the EGR tube from th ...
Electronic Vibration Analyzer (EVA)
The EVA is a hand-held electronic diagnostic tool which will assist in
locating the source of
unacceptable vibrations. The vibration sensor can be remotely mounted anywhere
in the vehicle for
testing purposes. The unit displays the three most common vibratio ...

