Legacy Wagon 4WD F4-2.5L DOHC (1996)
2) Disconnect mass air flow sensor connector.
3) Remove four clips securing air cleaner upper cover.
4) Loosen the clamp screw and separate air cleaner upper cover from air intake duct.
5) Remove air cleaner element.
6) Remove #3 spark plug cord by pulling boot not cord itself.
7) Remove spark plug with the spark plug socket.
8) Installation is in the reverse order of removal.
Tightening torque (Spark plug):
20.6±29 Nm (2.10±0.30 kg-m, 15.19±2.14 ft-lb)
4. #4 SPARK PLUG