Engine Maintenance: Replacement Of Spark Plugs

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 Porsche Boxster, 2003 Porsche Boxster, 2002 Porsche Boxster, 2001 Porsche Boxster, and 2000 Porsche Boxster. However, it is still accessible from the selected car via links, so may be relevant.

Jack up the vehicle at the take-up points provided.
Disconnect connection cable of the ignition coils.
Undo the two fastening screws (M6 x 25) of the plug coils and remove the 6 plug coils.

Fig 1: Removing Plug Coils And Fastening Screws
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Unscrew the spark plugs using the spark-plug wrench.

Fig 2: Unscrewing Spark Plugs Using Spark-Plug Wrench
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Replace spark plugs. Tighten new spark plugs to 30 Nm (22 ft.lb), tighten remounted spark plugs to 25 Nm (18.5 ft.lb).
Push on plug coils and tighten the fastening screws (M6 x 25) to 10 Nm (7.5 ft.lb). Subsequently push on the connecting cable of the plug coils.

Fig 3: Tightening Plug Coils Fastening Screws
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Lower vehicle.