Ranger 2WD V6-4.0L (2010)
Spark Plug: Service and Repair
Spark Plugs
Spark Plugs
Removal and Installation
1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Vehicle Jacking and Lifting.
2. Remove the right front tire and wheel. For additional information, refer to Wheels and Tires.
3. Remove the RH front splash shield.
4. NOTICE: Spark plug wires must be connected correctly. For additional information, refer to the Coil Terminal-to-Cylinder Relationship
illustration in the Description and Operation, Engine Ignition See: Powertrain Management/Ignition System/Description and
Operation/Engine Ignition. Failure to follow this instruction may result in poor engine performance.
NOTICE: It is important to twist the spark plug wire boots while pulling upward, to avoid possible damage to the spark plug wires.
With a twisting motion, use the Spark Plug Wire Remover to pull the spark plug wires from the right side of the engine.
5. NOTE: Use compressed air to remove any foreign material in the spark plug wells before removing the spark plugs.
NOTE: If an original spark plug is reused, make sure it is installed in the same cylinder from which it was removed. New spark plugs can be used
in any cylinder.
Remove the RH spark plugs.
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To install, tighten to 15 Nm (133 lb-in).
6. NOTICE: Spark plug wires must be connected correctly. For additional information, refer to the Coil Terminal-to-Cylinder Relationship
illustration in the Description and Operation, Engine Ignition See: Powertrain Management/Ignition System/Description and
Operation/Engine Ignition. Failure to follow this instruction may result in poor engine performance.
NOTICE: It is important to twist the spark plug wire boots while pulling upward, to avoid possible damage to the spark plug wires.
With a twisting motion, use the Spark Plug Wire Remover to pull the spark plug wires from the left side of the engine.
