6–22 SERVICE AND VEHICLE CARE
NOTE
When replacing new spark plugs, the
entire set should be replaced at a
time.
5. Install each spark plug by hand as
far as it will go.
6. Torque each spark plug to 25 Nm.
7. Fasten the spark plug wire terminal
squarely and firmly over the end of
each spark plug until you feel it snap
into place. Make sure the spark plug
wires are in the correct order.
v
v
v
v
v
CAUTION
• Over-tightening spark plugs can
damage the threads in the cylinder
head.
• Under-tightening spark plugs can
cause the spark plug to become
very hot.
Over-tightening or under-tightening
spark plugs can damage the engine.
INSPECTING AND REPLACING SPARK
PLUGS
1. Once the engine has cooled to the
touch, disconnect the spark plug
wire by pulling on the boot, not the
cable.
2. Use a 16 mm spark plug socket and
remove the spark plugs from the en-
gine. Be sure contaminants not to en-
ter the spark plug hole.
3. Inspect the spark plugs for broken in-
sulator. Replace the plug if the insu-
lator is cracked or broken. Other-
wise, wipe the insulator clean.
4. Using a very fine wire brush, clean
the upper contact tip and electrode.
After cleaning, adjust the gap to the
specification.
See “VEHICLE SPECIFICATION”
in the index for the spark plug speci-
fication.
S3W6281A
gap
Summary of Contents for Kalos
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