Introduction
Spark plugs should preferably be changed every 30,000 km as a preventative measure.
Parts
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disconnect the spark plug harness
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we do not pull on the wire, we must take the bundle by its end
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clean the spark plug well with a blower (a can of computer air may possibly do the trick)
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unscrew the spark plug using the 16mm spark plug socket and ratchet wrench and remove it
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There are magnetic sockets that make it easier to remove and install spark plugs.
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introduce the new spark plug and hand tighten using the 16mm extension and socket only
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There should be no resistance at first. Do not insist if it is too hard or you may damage the thread.
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finish tightening with a torque wrench, torque of 27 Nm
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Put the beam back in place by pressing on it
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a thin layer of dielectric grease can be applied to the ceramic part and the tip of the spark plug before reconnecting)
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