Impreza 2.5 RS Coupe AWD F4-2.5L SOHC (2001)
2. Disconnect washer motor connector.
3. Disconnect rear window glass washer hose from washer motor, then plug connection with a suitable cap.
4. Remove the two bolts which hold the washer tank, then take the tank away from the working area.
5. Remove #4 spark plug cord by pulling boot, not cord itself.
6. Remove spark plug with the spark plug socket.
INSTALLATION
Install in the reverse order of removal.
Tightening torque (Spark plug): 20.6 N.m 2.10 kgf-m, 15.19 ft-lb)
CAUTION: The above torque should be only applied to new spark plugs without oil on their threads. In case their threads are lubricated, the torque
should be reduced by approximately 1/3 of the specified torque in order to avoid over-stressing.
