Unit installation

2008 SCION xB SPARK PLUG REPLACEMENT

Procedure

Issue A: 04/28/08 Page 23 of 48

13. Spark Plug Replacement.

(a) Unplug ignition coil connectors and remove the

ignition coils. (10 mm socket). (Fig. 13-1).

(

b) Remove factory spark plugs. Use a 16 mm or

5/8” spark plug socket. (Stock spark plug is:

Denso SK20R11 or NGK IFR6A11) (Fig.13-

2).

K22PR-U spark plugs are gapped to 0.032”

(0.81mm) prior to installation. (Fig. 13-3).

(

d) Apply a small amount of anti-seize to the spark

plug threads prior to installation. Install TRD

spark plugs. Be sure to use a spark plug socket

to install so as to prevent damage to the spark

plug gap and/or electrode. Torque to 14 ft-lbs.

(e) Re-install ignition coils and secure. (10 mm

socket). Torque to 80 in-lbs. (Fig. 13-1).

(f) Reconnect spark plug ignition coil connectors.

Fig. 13

TRD Spark Plug: Denso K22PR-U

Gap: 0.032” +/- 0.002”

(0.81 mm +/- 0.05 mm)

Fig. 13