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:
Vehicle storage
If you plan on storing your vehicle for an extended period of time
(30 days or more), read the following maintenance recommendations to
make sure your vehicle stays in good operating condition.
All motor vehicles and their components were engineered and teste ...
Component Tests
Heater Core
WARNING: Carbon monoxide gas is colorless, odorless and dangerous.
If it is necessary
to operate the engine with the vehicle in a closed area such as a garage,
always use an exhaust
collector to vent the exhaust gases outside the closed area ...
Running out of fuel
Avoid running out of fuel because this situation may have an adverse
effect on powertrain components.
If you have run out of fuel:
• You may need to cycle the ignition from off to on several times after
refueling to allow the fuel system to pump the fuel fr ...
