Inspection & Testing
Wipe the spark plug wire sets with a clean, damp cloth before inspecting them. Without removing the spark plug wire sets from the spark plugs or ignition coils, inspect them for visible damage such as cuts, pinches, or cracked or torn boots.
Removal & Installation
- Remove the spark plug wire by slightly twisting while pulling upwards
- Disconnect the spark plug wire.
- Install ignition wire.
- Use a small, clean tool to coat the entire interior surface of the boots with silicone brake caliper grease.
- For 4.0L engines access RH spark plug ends from inside fenderwell.