How to carry out replacement: Spark Plug 1.8 i 16V Toyota Celica T20
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Change Toyota Celica T20 2.0 i 16V (ST202_, ST203_) Spark Plug yourself – manuals and video tutorials

How to change spark plugs on TOYOTA CELICA (ST20_, AT20_) – replacement guide

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When to replace the Spark Plug on your TOYOTA CELICA
Recommended replacement interval for the part category Spark plug : 4 year / 60000 km
Important!
This replacement procedure can be used for:
TOYOTA CELICA (ST20_, AT20_) 1.8 i 16V (AT200/ST), TOYOTA CELICA (ST20_, AT20_) 2.2 GT (ST204) … 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 CELICA (ST20_, AT20_) and other TOYOTA models
How to change Spark plug on Toyota Celica T20 1.8 i 16V – step-by-step instructions for straightforward car repair Spark plug
How to change Spark plug on Celica VI Coupe (T200) – tips for proper car maintenance
Spark plug for Celica VI Coupe (T200) Petrol (116 hp)
Simple DIY car repair steps – Replacing Spark plug on Celica VI Coupe (T200)
Spark plug for Celica VI Coupe (T200) Petrol (136 hp)
Tools
Replacement: spark plugs – TOYOTA CELICA (ST20_, AT20_). List of the tools you'll need:
Electronic spray
High-temperature anti-seize lubricant
Torque wrench
Drive socket # 10
Spark plug socket # 16
Ratchet wrench
Microfibre towel
Fender cover
Buy tools
Replacement: spark plugs – TOYOTA CELICA (ST20_, AT20_). Tip from AUTODOC:
  • The replacement procedure is the same for all spark plugs.
  • Please note: all work on the car – TOYOTA CELICA (ST20_, AT20_) – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    Open the bonnet.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    How to change Spark Plug on Toyota Celica T20 1993 - free PDF and video manuals
    Release the air filter cover clips.
  2. Step 4
    How to replace TOYOTA CELICA (ST20_, AT20_) 1.8 i 16V 1994 Spark Plug - step-by-step manuals and video guides
    Disconnect the air intake pipe from the air filter housing.
  3. Step 5
    Toyota Celica T20 2.0 i 16V 1995 Spark Plug replacement: free workshop manuals
    Take off the filter lid.
  4. Step 6
    Changing Spark Plug on TOYOTA CELICA (ST20_, AT20_) 2.0 i Turbo 4WD 1996 by yourself
    Cover the air intake hose with a microfibre towel to prevent dust and dirt from getting into the system.
  5. Step 7
    How to remove TOYOTA CELICA GT-FOUR 2.0 4WD (ST205) 1997 Spark Plug - online easy-to-follow instructions
    Clean the ignition coils.
  6. Step 8
    How to replace Spark Plug on TOYOTA CELICA (ST20_, AT20_) 1998: download PDF manuals and video instructions
    Unscrew the fasteners of the wiring harness bracket. Use a drive socket #10. Use a ratchet wrench.
  7. Step 9
    How hard is it to do yourself: Spark Plug replacement on Toyota Celica T20 2.2 GT (ST204) 1999 - download illustrated guide
    Remove the fastening bolts.
  8. Step 10
    Need to know how to renew Spark Plug on TOYOTA CELICA 1993? This free workshop manual will help you to do it yourself
    Remove the oil dipstick.
  9. Step 11
    Changing of Spark Plug on Toyota Celica T20 1994 won't be an issue if you follow this illustrated step-by-step guide
    Move the wiring harness bracket aside.
  10. Step 12
    TOYOTA CELICA 2.0 i 16V (ST202_, ST203_) Spark Plug replacement: online guides and video tutorials
    Insert the oil dipstick.
  11. Step 13
    Replacing Spark Plug on Toyota Celica T20 1996 1.8 i 16V by yourself
    Unplug the connectors from the ignition coils.
  12. Step 14
    CELICA (ST20_, AT20_) GT-FOUR 2.0 4WD (ST205) 1997 Spark Plug DIY replacement workshop manual
    Unscrew the fasteners of the ignition coils. Use a drive socket #10. Use a ratchet wrench.
  13. Step 15
    How to change Spark Plug on TOYOTA CELICA (ST20_, AT20_) 1998 - tips and tricks
    Remove the fastening bolts.
  14. Step 16
    Step-by-step recommendations for DIY replacement Toyota Celica T20 1999 GT-FOUR 2.0 4WD (ST205) Spark Plug
    Take out the ignition coils from the spark plug wells.
    Replacement: spark plugs – TOYOTA CELICA (ST20_, AT20_). Professionals recommend:
    Remember the sequence of steps for ignition coil demounting.
  15. Step 17
    DIY replacement of Spark Plug on TOYOTA CELICA (ST20_, AT20_) 2.0 i 16V (ST202_) 1993 is not an issue anymore with our step-by-step tutorial
    Clean dirt, dust and debris from inside the spark plug wells.
  16. Step 18
    How to change Spark Plug on Toyota Celica T20 1993 - free PDF and video manuals
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  17. Step 19
    How to replace TOYOTA CELICA (ST20_, AT20_) 1.8 i 16V 1994 Spark Plug - step-by-step manuals and video guides
    Take out the spark plugs.
  18. Step 20
    Toyota Celica T20 2.0 i 16V 1995 Spark Plug replacement: free workshop manuals
    Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
  19. Step 21
    Changing Spark Plug on TOYOTA CELICA (ST20_, AT20_) 2.0 i Turbo 4WD 1996 by yourself
    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.
  20. Step 22
    How to remove TOYOTA CELICA GT-FOUR 2.0 4WD (ST205) 1997 Spark Plug - online easy-to-follow instructions
    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 CELICA (ST20_, AT20_). 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.
  21. Step 23
    How to replace Spark Plug on TOYOTA CELICA (ST20_, AT20_) 1998: download PDF manuals and video instructions
    Install the ignition coils to the spark plug wells.
  22. Step 24
    How hard is it to do yourself: Spark Plug replacement on Toyota Celica T20 2.2 GT (ST204) 1999 - download illustrated guide
    Install the fastening bolts.
Comments – 2
  • @user_1765931
    26.07.2023 21:48
    Member
    VERY COOL ! 5 STARS, GOOD MANUAL, THIS OLD US ARMY NAM VET THANK'S YOU PETE
  • Anna Johnson
    02.08.2023 09:01
    Member
    Thank you for your comment!
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