Spark Plugs: Removal
WARNING: This page is about a different car, the 2007 Lincoln MKX and 2007 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
LH side
- Disconnect the crankcase vent tube quick connect coupling from the valve cover fitting and position aside. For additional information, refer to FUEL SYSTEM - GENERAL INFORMATION .
- Remove the upper intake manifold. For additional information, refer to ENGINE - 3.5L .
- Disconnect the 6 ignition coil-on-plug electrical connectors.
- Remove the 6 bolts and the 6 ignition coil-on-plugs.
- Remove the 6 spark plugs.
RH side
NOTE:
The upper intake manifold must be removed to access the RH spark plugs only.
Both sides
NOTE:
When removing the ignition coil-on-plugs, a slight twisting motion will break the seal and ease removal.
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.