Ford Mustang (1999-2004) Service Manual: 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 matched set and should not be interchanged.
Measure the piston pin bore diameter in two directions on each side. Verify the diameter is within specification.
- If out of specification, install new components as necessary.


Piston -Diameter
1. Measure the piston diameter 90 degrees from the piston pin at the point indicated.
- If out of specification, install new components as necessary.

Piston -to Cylinder Bore Clearance
1. Subtract the piston diameter from the cylinder bore diameter to find the piston-to-cylinder bore clearance.
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 o ...
Piston - Selection
NOTE: The cylinder bore must be within the specifications for
taper and out-of-round before fitting a
piston.
1. Select a piston size based on the cylinder bore.
2. NOTE: For precision fit, new ...
Other materials:
Switch - Door Lock
Removal
1. CAUTION: Place a rag between the window regulator switch
plate and the door trim
panel to avoid damaging the door trim panel.
Position the window regulator switch plate (14524) aside.
1. Pull at service notch.
2. Lift to release t ...
Rear Subframe
Removal and Installation
CAUTION: Suspension fasteners are critical parts because they affect
performance of vital
components and systems and their failure can result in major service expense. A
new part with
the same part number must be installed if install ...
Valve Seals
Special Tool(s)
Valve Spring Compressor
303-452 (T93P-6565-AR)
Valve Stem Seal Replacer
303-383 (T91P-6571-A)
Compressor, Valve Spring
(Exhaust)
303-567 (T97P- 6565-AH)
Material
Item
Specification
Supe ...
