Forester S F4-2.5L DOHC (1998)
CAUTION: Secure the washer tank with wire.
6) Remove #4 spark plug cord by pulling boot, not cord itself.
7) For subsequent procedures, refer to the procedure for #1 spark plug.
CAUTION: When removing spark plug, cover the ATF cooling pipes with a rag to prevent damage.
NOTE: For easier removal of spark plug, diagonally insert the tools from the direction of battery stand into plug hole as shown in figure.
B: INSTALLATION
1. #1 SPARK PLUG
1) After setting spark plug in spark plug socket, connect the spark plug socket, extension and Universal Joint to each other.
2) Screw spark plug into cylinder head using the connected tools above mentioned. At this point, it is necessary to support the rear end of the tools
with fingertips.
3) When spark plug is screwed in two or three turns, temporarily disconnect the tools connected in the first step.
4) Confirm that spark plug is screwed into the cylinder head properly by touching it with finger. If it -is difficult to reach it by hand, confirm its
condition by using mirror and suchlike.
5) Cover ABS pipes with rag to prevent damage.
6) Re-insert the tools disconnected in three steps before into plug hole, and set them again over the spark plug.
