LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2008 >> Outback F4-2.5L SOHC >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Spark Plug >> Service and Repair
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Spark Plug: Service and Repair

Spark Plug

Spark plug
Manufacturer and type NGKFR5AP-11
Thread size (diameter, pitch, length) mm 14, 1.25, 19
Spark plug gap mm (in. 1.0 - 1.1 (0.039 - 0.043)
Electrode Platinum

REMOVAL

1. RH SIDE
1. Disconnect the ground cable from the battery.






2. Remove the air cleaner case.
3. Remove the spark plug cords by pulling the boot. (Do not pull the cord itself).






4. Remove the spark plug with a spark plug socket.






2. LH SIDE
1. Remove the battery.
2. Remove the spark plug cords by pulling the boot. (Do not pull the cord itself).






3. Remove the spark plug with a spark plug socket.






INSTALLATION

1. RH SIDE
Install in the reverse order of removal.

Tightening torque: 21 N.m (2.1 kgf.m, 15.5 ft.lb.

2. LH SIDE
Install in the reverse order of removal.

Tightening torque: 21 N.m (2.1 kgf.m, 15.5 ft.lb.