Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2008 Ford Explorer 2WD V8-4.6LFACTORY OEM SERVICE PROCEDURE
General Specifications
Spark Plug Gap 4.6L v8 Early Build Black Coil Boot 1.15 +/- 0.13 mm (0.040-0.050 in.)
Early Build 4.6L 3 valve V8 Spark Plug Gap is not adjustable
Spark Plug Gap 4.6L v8 Late Build Brown coil boot 1.05 +/- 0.05 mm (0.039-0.043 in.)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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