The replacement procedure is the same for all spark plugs.
All work should be done with the engine stopped.
Replacement: spark plugs – Honda Civic 8. Use the following procedure:
Step 1
Open the bonnet.
Step 2
Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
Step 3
Unscrew the engine cover fasteners. Use a flat screwdriver.
Step 4
Remove the engine cover.
Step 5
Unplug the connectors from the ignition coils.
Step 6
Unscrew the fasteners of the ignition coils. Use a drive socket #10. Use a ratchet wrench.
Step 7
Remove the fastening nuts.
Step 8
Take out the ignition coils from the spark plug wells.
Step 9
Clean dirt, dust and debris from inside the spark plug wells.
Step 10
Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
Step 11
Take out the spark plugs.
Step 12
Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
Step 13
Install the new spark plugs into their mounting seats.
Step 14
Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 23 nm torque.
Replacement: spark plugs – Honda Civic 8. Tip:
Don't tighten the plugs with excessive force. Exceeding tightening torque can damage the thread connection. Be careful when working with a spark plug wrench. Its skewing can cause damage to the threaded connection.
Step 15
Install the ignition coils to the spark plug wells.
Step 16
Install the fastening nuts.
Step 17
Tighten the ignition coil fasteners. Use a drive socket #10. Use a torque wrench. Tighten it to 9 nm torque.
Step 18
Treat the connectors of the ignition coils with an electrical contact cleaner spray.
AUTODOC recommends:
The compound will protect the contacts from corrosion and oxidation, and will lower the contact resistance.
Step 19
Plug in the connectors of the ignition coils.
Step 20
Install the engine cover and secure it.
Step 21
Screw in the engine cover fasteners. Use a flat screwdriver.
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