Spark Plug Wire Harness Replacement 3.4L

1. Turn the ignition switch to the OFF position.



2. Note the position of the spark plug wire retaining clips. Remove the spark plug wire retaining clips from the engine.




Notice: Twist the spark plug boot one-half turn in order to release the boot. Pull on the spark plug boot only. Do not pull on the spark plug wire or the wire could be damaged.

3. Note the position of the spark plug wire(s). Remove the spark plug wires (2,4,6) from the front spark plugs by twisting the boot 1/2 turn before removing the spark plug boot(s).



4. Note the position of the spark plug wire(s). Remove the spark plug wires (1,3,5) from the rear spark plugs by twisting the boot 1/2 turn before removing the spark plug boot(s).
5. Remove the spark plug wire retaining clips from the rear of the engine.



6. Remove the spark plug wires from the ignition coils.
7. Remove the spark plug wires from the engine.
8. If replacing the spark plug wires, transfer any of the following:

•	Boot heat shields

•	Spark plug wire conduit

•	Spark plug wire retaining clips

1. Position the spark plug wire(s) to the engine.



2. Install the spark plug wires to the ignition coils in the proper position.



3. install the spark plug wires (1,3,5) to the rear spark plugs.
4. Install the spark plug wire retaining clips from the rear of the engine.



5. Install the spark plug wire (2,4,6) to the front spark plugs.



6. Install the spark plug wire retaining clips to the front of the engine.

Spark Plug Wire Harness Replacement 3.8L

Tools Required

J 38491 Spark Plug Heat Shield Removal Tool

1. Turn OFF the ignition switch.
2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.8L.




Notice: Twist the spark plug boot one-half turn in order to release the boot. Pull on the spark plug boot only. Do not pull on the spark plug wire or the wire could be damaged.

3. Remove the spark plug wires (2,4,6) from the spark plugs at the rear of the engine using the following steps:

•	Note the position of the spark plug wires before removing the wires.

•	Twist the spark plug boot 1/2 turn before removing the boot.

•	Gently pry the heat shield up from spark plugs using the J 38491 .

•	Remove the spark plug wire from the spark plugs at rear of the engine.




4. Remove the spark plug wires (1,3,5) from the spark plugs at the front of the engine using the following steps:

•	Note the position of the spark plug wires before removing the wires.

•	Twist the spark plug boot 1/2 turn before removing the boot.

•	Gently pry the heat shield up from spark plugs using the J 38491 .

•	Remove the spark plug wires form the spark plugs at the front of the engine.




5. Remove the spark plug wires from the ignition coils.
6. Remove the spark plug wire retaining clips from the rear, front and top of the engine.
7. Remove the spark plug wires from the engine.
8. When replacing the spark plug wires transfer any of the following:

•	Boot heat shields

•	Spark plug wire conduit

•	Spark plug wire retaining clips

1. Position the spark plug wire(s) to the engine.
2. Install the spark plug wire retaining clips from the rear, front and top of the engine.



3. Install the spark plug wires to the ignition coil in the proper position.



4. Install the spark plug wires (1,3,5) to the spark plugs in the proper position at the front of the engine.



5. Install the spark plug wires (2,4,6) to the spark plugs in the proper position at the rear of the engine.
6. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.8L.