Spark Plug Wire Harness Replacement 3.1L
Removal Procedure
- Turn the ignition switch to the OFF position.
- 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.
- 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).
- 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).
- Remove the spark plug wire retaining clips from the rear of the
engine.
- Remove the spark plug
wires from the ignition coils.
- Remove the spark plug wires from the engine.
- If replacing the spark plug wires, transfer any of the following:
• | Spark plug wire conduit |
• | Spark plug wire retaining clips |
Installation Procedure
- Position the spark plug wire(s) to the engine.
- Install the spark plug
wires to the ignition coils in the proper position.
- install the spark plug
wires (1,3,5) to the rear spark plugs.
- Install the spark plug wire retaining clips from the rear of the
engine.
- Install the spark plug
wire (2,4,6) to the front spark plugs.
- Install the spark plug
wire retaining clips to the front of the engine.
Spark Plug Wire Harness Replacement 3.8L
Removal Procedure
Tools Required
J 38491 Spark Plug
Heat Shield Removal Tool
- Turn OFF the ignition switch.
- 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.
- 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. |
- 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. |
- Remove the spark plug
wires from the ignition coils.
- Remove the spark plug wire retaining clips from the rear, front
and top of the engine.
- Remove the spark plug wires from the engine.
- When replacing the spark plug wires transfer any of the following:
• | Spark plug wire conduit |
• | Spark plug wire retaining clips |
Installation Procedure
- Position the spark plug wire(s) to the engine.
- Install the spark plug wire retaining clips from the rear, front
and top of the engine.
- Install the spark plug
wires to the ignition coil in the proper position.
- Install the spark plug
wires (1,3,5) to the spark plugs in the proper position at the front
of the engine.
- Install the spark plug
wires (2,4,6) to the spark plugs in the proper position at the rear
of the engine.
- Install the fuel injector sight shield. Refer to
Fuel Injector Sight Shield Replacement
in Engine Mechanical -
3.8L.