Ford Mustang (1999-2004) Service Manual: 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: Cylinder bore must be within specification for taper and out-of-round.
1. Use a piston without rings to push a piston ring in a cylinder to the bottom of ring travel.

2. Use a feeler gauge to measure the top piston ring end gap and the second piston ring end gap.
- Refer to the appropriate section in Group for the procedure.

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 ...
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 specifica ...
Other materials:
Daytime Running Lamps (DRL) (Diagnosis and Testing)
Refer to Wiring Diagrams Cell 97 , Daytime Running Lamps for schematic
and connector information.
Special Tool(s)
73III Automotive Meter or
equivalent
105-R0057
Principles of Operation
Daytime Running Lamps (DRL)
The daytime running lamp ...
Special Testing Procedures
The special tests are designed to aid the technician in diagnosing the
hydraulic and mechanical portion
of the transmission.
Engine Idle Speed Check
Refer to the Powertrain Control/Emissions Diagnosis (PC/ED) manual for
diagnosis and testing of the
eng ...
Disc and Pressure Plate - 4.6L (4V) Engine
Special Tool(s)
Clutch Aligner
308-020 (T74P-7137-K)
Material
Item
Specification
Premium Long Life Grease
XG-1-C
ESA-M1C75-B
1. Disconnect the battery ground cable. For additional information, refer to
Section.
2. Remove t ...
