Recommended replacement interval for the part category Spark plug : 2 year / 30000 km

Important!

This replacement procedure can be used for:
NISSAN MICRA III (K12) 1.2 16V, NISSAN MICRA III (K12) 1.2 16V, NISSAN MICRA III (K12) 1.0 16V, NISSAN MICRA III (K12) 1.2 LPG … View more

The steps may slightly vary depending on the car design.

How to change spark plug on NISSAN MICRA K12 [TUTORIAL AUTODOC]

All the parts you need to replace – Spark Plug for MICRA III (K12) and other NISSAN models

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Replacement: spark plugs – Nissan Micra K12. List of the tools you'll need:

                      High-temperature anti-seize lubricant
                    
                      Dielectric grease
                    
                      Torque wrench
                    
                      Drive socket # 10
                    
                      Spark plug socket # 16
                    
                      Ratchet wrench
                    
                      Flat screwdriver
                    
                      Clip removal tool
                    
                      Long nose pliers
                    
                      Microfibre towel
                    
                      Fender cover

Buy tools

Replacement: spark plugs – Nissan Micra K12. Professionals recommend:

The replacement procedure is the same for all spark plugs.
Please note: all work on the car – Nissan Micra K12 – should be done with the engine switched off.

Carry out replacement in the following order:

Step 1

Open the bonnet.
Step 2

Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
Step 3

Disconnect the fastener of the air intake hose. Use a clip removal tool.
Step 4

Remove the air intake hose.
Step 5

Release the air filter housing retainers.

Replacement: spark plugs – Nissan Micra K12. Tip:
The air filter housing is built into the engine cover.
Step 6

Detach the air filter housing.
Step 7

Remove the filter element from the filter housing.
Step 8

Move the air filter housing aside.
Step 9

Detach the connectors from the engine cover. Use a flat screwdriver.
Step 10

Loosen the clamps and detach the hoses from the engine cover. Use long nose pliers.
Step 11

Unscrew the fasteners of the upper engine cover. Use a drive socket #10. Use a ratchet wrench.
Step 12

Remove the fastening bolts.
Step 13

Remove the upper engine cover.
Step 14

Cover the intake channels of the engine with a microfibre cloth to prevent dust and dirt from getting inside.
Step 15

Unscrew the fasteners of the lower engine cover. Use a drive socket #10. Use a ratchet wrench.
Step 16

Remove the fastening bolts.

Step 17

Remove the lower engine cover.
Step 18

Unplug the connectors from the ignition coils.
Step 19

Unscrew the fasteners of the ignition coils. Use a drive socket #10. Use a ratchet wrench.
Step 20

Remove the fastening bolts.
Step 21

Take out the ignition coils from the spark plug wells.
Step 22

Clean dirt, dust and debris from inside the spark plug wells.
Step 23

Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
Step 24

Take out the spark plugs.
Step 25

Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
Step 26

Install the new spark plugs into their mounting seats.
Step 27

Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 25 nm torque.

Replacement: spark plugs – Nissan Micra K12. AUTODOC experts recommend:
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 28

Install the ignition coils to the spark plug wells.
Step 29

Install the fastening bolts.

Step 30

Tighten the ignition coil fasteners. Use a drive socket #10. Use a torque wrench. Tighten it to 9 nm torque.
Step 31

Treat the connectors of the ignition coils with an electrical contact cleaner spray.

Replacement: spark plugs – Nissan Micra K12. Tip:
The compound will protect the contacts from corrosion and oxidation, and will lower the contact resistance.
Step 32

Plug in the connectors of the ignition coils.
Step 33

Install the lower engine cover.
Step 34

Install the fastening bolts.
Step 35

Screw in the fasteners of the lower engine cover. Use a drive socket #10. Use a ratchet wrench.

Step 36

Remove the microfibre cloth from the engine intake channels.
Step 37

Install the upper engine cover.
Step 38

Install the fastening bolts.

Step 39

Screw in the fasteners of the upper engine cover. Use a drive socket #10. Use a ratchet wrench.
Step 40

Attach the hoses to the engine cover and secure them with the clamps. Use long nose pliers.
Step 41

Treat the engine cover connectors. Use dielectric grease.
Step 42

Attach the connectors to the engine cover. Use a flat screwdriver.
Step 43

Insert the filter cartridge into the filter housing.
Step 44

Install the air filter housing.
Step 45

Lock the air filter housing retainers.
Step 46

Install the air intake hose and secure it.
Step 47

Run the engine for a few minutes.

Replacement: spark plugs – Nissan Micra K12. AUTODOC recommends:
This is necessary in order to make sure that the component operates properly.
Step 48

Shut off the engine.

Step 49

Remove the fender protection cover.
Step 50

Close the bonnet.

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