Ford Mustang (1999-2004) Service Manual: Piston - Ring-to-Groove Clearance
1. Inspect the piston for ring land damage or accelerated wear.

2. Measure the piston ring-to-groove clearance.
- Refer to the appropriate section in Group for the procedure.
- If out of specification, install new components as necessary. Refer to the appropriate section in Group for the procedure.

Piston - Ring End Gap
CAUTION: Use care when fitting piston rings to avoid possible damage to
the piston ring
or the cylinder bore.
CAUTION: Piston rings should not be transferred from one piston to another.
NOTE: Cylin ...
Piston - Pin Diameter
1. Measure the piston pin diameter in two directions at the points shown.
Verify the diameter is
within specification.
Refer to the appropriate section in Group for the procedure.
If out of s ...
Other materials:
Evaporative Emissions (Diagnosis and Testing)
Special Tool(s)
Evaporative Emission System
Leak Tester
310-F007 (134-00056) or
equivalent
Worldwide Diagnostic System
(WDS)
418-F224,
New Generation STAR (NGS)
Tester
418-F052, or equivalent scan
tool
Evaporative Em ...
Transmission (Disassembly)
Special Tool(s)
Bearing Puller
205-D064 (D84L-1123-A) or
Equivalent
Front Hub Tool
204-069 (T81P-1104-C)
Holding Fixture
307-003 (T57L-500-B)
Impact Slide Hammer
100-001 (T50T-100-A)
Puller
...
Valve Springs
Special Tool(s)
Compressor, Valve Spring
303-163 (T81P-6513-A)
Material
Removal
1. Remove the LH and the RH valve covers. For additional information,
refer to Valve Cover-LH
and Valve Cover RH in this section.
2. Rotate the crankshaft un ...
