Spark Plug: Service and Repair

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SPARK PLUGS - 2.3L REMOVAL/INSTALLATION

Removal

1. Detach the 2 wire harness retainers from the ignition coil stud bolts.

2. Disconnect the 4 ignition coil electrical connectors.

3. Remove the 4 stud bolts and the ignition coils.


NOTE: When removing the ignition coil-on-plugs, a slight twisting motion will break the seal and ease removal.

4. Remove the 4 spark plugs.

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 in the spark plug well before removing the spark plugs.

Installation

1. Inspect spark plugs. See Testing and Inspection.






2. Adjust the spark plug gap as necessary.

3. Install the 4 spark plugs.

- Tighten to 12 Nm {1.2 kgf-m, 9 ft-lbf}.

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

4. Install the 4 ignition coils and stud bolts.

- Tighten to 8 Nm {0.8 kgf-m, 71 in-lbf}.


NOTE: Apply a small amount of dielectric grease to the inside of the ignition coil boots before attaching to the spark plugs.

5. Connect the 4 ignition coil electrical connectors.

6. Attach the 2 wire harness retainers to the ignition coil stud bolts.