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:
Assembly
1. Lubricate the differential side gear thrust washers and the differential
side gear journals, and
assemble the washers to the gears.
Use SAE 80W-90 Premium Rear Axle Lubricant XY-80W90-QL or equivalent
meeting
Ford specification WSP-M2C197-A.
2. Lub ...
Engine Ignition (Description and Operation)
Eight separate ignition coils (12029):
are mounted directly above each spark plug (12405).
are controlled by the powertrain control module (PCM) for correct
firing sequence.
The spark plug:
changes the high voltage pulse into a spark which igni ...
Cylinder Head Temperature (CHT) Sensor - 3.8L
Removal
1. Disconnect the battery ground cable. For additional information
refer to Section.
2. Disconnect the cylinder head temperature sensor connector.
3. Remove the CHT sensor.
Installation
1. To install, reverse the removal procedure. ...

