Ford Mustang (1999-2004) Service Manual: Spark Plugs
Removal and Installation
1. Remove the ignition coil-on-plug. For additional information, refer to Ignition Coil-On-Plug in this section.
2. NOTE: Use compressed air to remove any foreign material from the spark plug well before removing the spark plugs.
NOTE: If an original spark plug is used, make sure it is installed in the same cylinder from which it was taken. New spark plugs can be used in any cylinder.
Remove the RH spark plugs.

3. Remove the LH spark plugs.

4. Inspect the spark plugs. Install new spark plugs as necessary. For additional information, refer to Section.
5. Adjust the spark plug gap as necessary.

6. To install, reverse the removal procedure.
Ignition Coil-On-Plug
Material
Item
Specification
Silicone Brake Caliper Grease
and Dielectric Compound
D7AZ-19A331-A or equivalent
ESE-M1C171-
A
Removal and Installation
1. Disconnect the battery ...
Engine Emission Control
Torque Specifications
...
Other materials:
Digital Transmission Range (TR) Sensor
Special Tool(s)
Alignment Gauge, TR Sensor
307-351 (T97L-70010-A)
Removal
1. Disconnect the battery ground cable. For additional information, refer
to Section.
2. Raise and support the vehicle. For additional information, refer to
Sectio ...
Symptom Chart
Condition
Possible Sources
Action
Hard Steering or
Lack of Assist
Seized lower steering
column shaft U-joints.
Damaged, fractured
steering column
bearing(s).
Power steering pump.
Suspension
components.
...
Generator - 3.8L
Removal and Installation
1. Disconnect the battery (10655). For additional information, refer
to Section.
2. Relieve the accessory drive belt (8620) tension and remove the belt
from the generator pulley.
Leave the belt in place for reinstallation ...
