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:
Exhaust Gas Recirculation (EGR) Valve - Cobra
Removal and Installation
1. Disconnect the accelerator cable and the speed control cable.
2. Remove the accelerator cable bracket bolts.
3. Release the clip and position the accelerator cable bracket and the cables
aside.
4. Disconnect the electrical c ...
Climate Control System - General Information
General Specifications
a - Manifold gauge set pressures may vary slightly depending on the distance
between the service gauge port valve and the A/C pressure relief valve, the A/C
cycling switch, the pressure cutoff switch
(V6), and the dual function press ...
Installation
1. Using the special tools, install the new intake valve stem seals.
2. Using the special tools, install the new exhaust valve stem seals.
3. Install the Valve Spring Compressor Spacer between the valve spring coils
to protect the intake
valve stem seal f ...
