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Revotron 1.2T
52
iv.
Spark Plug Replacement :
Description :
Engine spark plugs are an integral part of
engine performance and fuel economy.
Worn, damaged, or spark plugs with
excessive carbon buildup may cause the
engine not to start, misfire, or cause poor fuel
economy. Replace the spark plugs as a set
every 30,000 km or sooner as needed using
the part numbers and gap setting in Table.
Spark Plug Part No.
Gap Setting (mm)
BOSCH YR7ME
0.7 - 0.8
Removal :
1. Park the vehicle on a level surface, engage
the parking brake, and raise the hood.
2. Clean any dirt and debris from around the
spark plugs and spark plug high tension
cables.
NOTE
•
To avoid confusion, remove and replace
one spark plug at
a
time.
3. Disconnect the spark plug high tension cable
from the spark plug by firmly gripping the
boot and pulling.
4. Use the spark plug wrench (2702 5890 06
01) to remove the spark plug from the
cylinder head.
Installation :
1. If reusing the spark plugs, clean using a
brush and a solvent prior to installation.
2. Verify the electrode gap is between 0.7 to 0.8
mm. Adjust the gap necessary .
3. Carefully hand-thread the spark plug into the
cylinder head. Do not cross-thread the spark
plug into the cylinder head.
4. Once the spark plug has seated, use the
spark plug wrench (2702 5890 06 01) to
torque the spark plug to 1.5-2.5 kgfm.
5. Connect the correct spark plug high-tension
cable to the spark plug. Verify the cable
terminal makes a firm connection with the top
of the spark plug.
6. Repeat the procedure for the remaining spark
plugs.