How to change spark plugs on TOYOTA COROLLA Saloon (E15_) – replacement guide
TOYOTA COROLLA Saloon (E15_) 1.4 VVT-i (ZZE150_) … 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
Spark plug
- The replacement procedure is the same for all spark plugs.
- Please note: all work on the car – TOYOTA COROLLA Saloon (E15_) – should be done with the engine switched off.
- Step 1
Open the bonnet.
Step 2Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
Step 3
Release the air filter cover clips.
- Step 4
Disconnect the air intake pipe from the air filter housing.
- Step 5
Take off the filter lid.
- Step 6
Cover the air intake hose with a microfibre towel to prevent dust and dirt from getting into the system.
- Step 7
Clean the ignition coils.
- Step 8
Unscrew the fasteners of the wiring harness bracket. Use a drive socket #10. Use a ratchet wrench.
- Step 9
Remove the fastening bolts.
- Step 10
Remove the oil dipstick.
- Step 11
Move the wiring harness bracket aside.
- Step 12
Insert the oil dipstick.
- Step 13
Unplug the connectors from the ignition coils.
- Step 14
Unscrew the fasteners of the ignition coils. Use a drive socket #10. Use a ratchet wrench.
- Step 15
Remove the fastening bolts.
- Step 16
Take out the ignition coils from the spark plug wells.
Replacement: spark plugs – TOYOTA COROLLA Saloon (E15_). Professionals recommend:Remember the sequence of steps for ignition coil demounting.
- Step 17
Clean dirt, dust and debris from inside the spark plug wells.
- Step 18
Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
- Step 19
Take out the spark plugs.
- Step 20
Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
- Step 21
Install the new spark plugs into their mounting seats.
AUTODOC recommends:Lower the spark plugs into the wells carefully, making sure not to damage the electrode gap.
- Step 22
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 COROLLA Saloon (E15_). Tip from AUTODOC: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 23
Install the ignition coils to the spark plug wells.
- Step 24
Install the fastening bolts.
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