Recommended replacement interval for the part category Spark plug : 90000 km

Important!

This replacement procedure can be used for:
TOYOTA AVENSIS Saloon (T25) 2.0 VVT-i (AZT250_), TOYOTA AVENSIS Saloon (T25) 2.4 VVT-i (AZT251_), TOYOTA AVENSIS Saloon (T25) 2.4 VVT-i (AZT251_), TOYOTA AVENSIS Saloon (T25) 2.0 VVTi (AZT250_) … View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Spark Plug for AVENSIS Saloon (T25) and other TOYOTA models

Spark plug

        Spark plug for Avensis II Saloon (T25) Petrol (147 hp)
      
        Spark plug for Avensis II Saloon (T25) Petrol (170 hp)
      
        Spark plug for Avensis II Saloon (T25) Petrol (163 hp)
      
        Spark plug for Avensis II Saloon (T25) Petrol (155 hp)

Replacement: spark plugs – TOYOTA AVENSIS Saloon (T25). List of the tools you'll need:

                        WD-40 spray
                      
                        High-temperature anti-seize lubricant
                      
                        Drive socket # 10 
                      
                        Drive socket # 14 
                      
                        Spark plug socket # 16
                      
                        Ratchet wrench
                      
                        Torque wrench
                      
                        Clip removal tool
                      
                        Fender cover

Buy tools

Replacement: spark plugs – TOYOTA AVENSIS Saloon (T25). Tip from AUTODOC experts:

The replacement procedure is the same for all spark plugs.
All work should be done with the engine stopped.

Replacement: spark plugs – TOYOTA AVENSIS Saloon (T25). Take the following steps:

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 fasteners of the windscreen wiper arms. Use a drive socket #14. Use a ratchet wrench.
Step 4

Remove the wiper arms.
Step 5

Remove the wiper arm covers. Use a clip removal tool.
Step 6

Treat the fasteners of the windscreen wiper linkage. Use WD-40 spray.
Step 7

Detach the windscreen wiper connector.
Step 8

Unscrew the fasteners of the windscreen wiper linkage panel. Use a drive socket #10. Use a ratchet wrench.
Step 9

Unscrew the fasteners of the fuse box. Use a drive socket #10. Use a ratchet wrench.
Step 10

Remove the panel assembled with the windscreen wiper linkage.
Step 11

Clean the ignition coils.
Step 12

Unscrew the fasteners of the ignition coils. Use a drive socket #10. Use a ratchet wrench.
Step 13

Take out the ignition coils from the spark plug wells.

Replacement: spark plugs – TOYOTA AVENSIS Saloon (T25). AUTODOC recommends:
Remember the sequence of steps for ignition coil demounting.
Step 14

Clean dirt, dust and debris from inside the spark plug wells.
Step 15

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

Take out the spark plugs.
Step 17

Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
Step 18

Install the new spark plugs into their mounting seats. Use the spark plug socket #16.
Step 19

Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 18 nm torque.

Replacement: spark plugs – TOYOTA AVENSIS Saloon (T25). Professionals 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 20

Treat the ignition coil tips. Use high-temperature grease.
Step 21

Install the ignition coils to the spark plug wells. Make sure you hear a click indicating that it is locked in place.

AUTODOC recommends:
Replacement: spark plugs – TOYOTA AVENSIS Saloon (T25). Follow the installation steps.
Step 22

Tighten the fasteners of the ignition coils. Use a drive socket #10. Use a ratchet wrench.
Step 23

Install the panel assembled with the windscreen wiper linkage.
Step 24

Screw in the fasteners of the windscreen wiper linkage panel. Use a drive socket #10. Use a ratchet wrench.
Step 25

Screw in the fasteners of the fuse box. Use a drive socket #10. Use a ratchet wrench.
Step 26

Attach the windscreen wiper connector.
Step 27

Install the wiper arm covers.
Step 28

Reinstall the wiper arms.

Replacement: spark plugs – TOYOTA AVENSIS Saloon (T25). Tip:
Make sure not to mix up the wiper arms on the driver's and passenger's sides.
Step 29

Tighten the fasteners of the wiper arms. Use a drive socket #14. Use a torque wrench. Tighten it to 21 Nm torque.

Step 30

Run the engine for a few minutes. This is necessary in order to make sure that the component operates properly.

Step 31

Shut off the engine.

Step 32

Remove the fender protection cover.

Step 33

Close the hood.

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