LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2008 >> F 150 4WD V8-4.6L >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Spark Plug >> Service and Repair
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Spark Plug: Service and Repair

SPARK PLUGS







Exploded View

Removal and Installation
1. Remove the ignition coil-on-plug.

2. CAUTION: Only use hand tools when removing or installing the spark plugs or damage can occur to the cylinder head or spark plug.

NOTE:
- Use compressed air to remove any foreign material from the spark plug well before removing the spark plugs.
- 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 spark plugs.
- To install, tighten to 15 Nm (11 lb-ft).







3. Inspect the spark plugs. Install new spark plugs as necessary.
4. To install, reverse the removal procedure.