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:
Disassembly
Main Control Valve Body - Disassembled View
1. Remove the torque converter clutch (TCC) solenoid and the shift solenoid.
1. Remove the bolt.
2. Remove the shift solenoid.
3. Remove the TCC solenoid.
2. Remove the two reinforcement plate ...
Module - Passive Anti-Theft Transceiver
Removal
1. CAUTION: Electronic modules are sensitive to electrical
charges. If exposed to
these charges, damage may result.
Disconnect the battery ground cable (14301).
2. Remove the ignition switch lock cylinder (11582).
1. Insert the ignit ...
Air Conditioning (A/C) Compressor - 3.8L
Material
Item
Specification
PAG Refrigerant Compressor
Oil (R-134a Systems)
F7AZ-19589-DA (Motorcraft YN-
12-C)
WSH-M1C231-
B
Removal and Installation
CAUTION: If installing a new air conditioning compressor due to an
internal failur ...
