Replacing spark plugs on Renault Clio 2

lift the lower part of the cover

pull the cover towards you

remove the cover

remove the sheath protecting the electrical wiring of the coil from its housing

undo the coil plug by pressing the tab and pulling towards you

Put the card aside

unscrew the coil fixing screw with a 10mm wrench

remove the coil

clean the coil well with a blower (if not, a can of computer air will do the trick)

unscrew the spark plug using the ratchet wrench, extension and 16mm spark plug socket

If the spark plug is tight, unscrew it a little and screw it back in, then repeat the operation until there is no more blockage.

remove the spark plug

compare spark plugs to make sure they are compatible

At this stage, a thin layer of dielectric grease can be applied to the upper part of the spark plug.

introduce the new spark plug and tighten by hand to begin

The spark plug should fit into the threads without resistance at first. Do not insist if it forces you, as this could damage the thread.

finish tightening with the torque wrench, torque of 28Nm

place the coil on the spark plug and press on top

tighten the coil fixing screw with the 10mm key

reconnect the coil plug

Don't forget to put the sheath back in its housing.

change the other 3 spark plugs, one after the other

It is exactly the same operation as for the first.

the cover has 4 lugs that must be inserted into 4 staples

engage the bottom lugs into the clips by pushing

once the bottom lugs are in position, engage the front lugs by simply pressing