Tribute 2WD V6-3.0L (2008)
Spark Plug: Service and Repair
SPARK PLUGS - 3.0L (4V) REMOVAL/INSTALLATION
Removal
RH side
1. Remove the upper intake manifold.
NOTE: The upper intake manifold must be removed to access the RH spark plugs only.
Both sides
2. Disconnect the ignition coil electrical connectors.
3. Remove the 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 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
Both sides
1. Inspect the spark plugs. See SPARK PLUG - INSPECTION. See: Testing and Inspection
2. Adjust the spark plug gap as necessary.
3. Install the spark plugs.
-
Tighten to 15 N.m {1.5 kgf.m, 11 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 ignition coils and bolts.
-
Tighten to 7 N.m {0.7 kgf.m, 62 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 ignition coil electrical connectors.
RH Side
6. Install the upper intake manifold.