How to carry out replacement: Spark Plug 1.6 16V VAUXHALL ASTRA Mk IV (G) Saloon
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Change VAUXHALL ASTRA Mk IV (G) Saloon 2.0 DI Spark Plug yourself – manuals and video tutorials

How to change spark plugs on VAUXHALL Astra Mk IV (G) Saloon (T98) – replacement guide

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When to replace the Spark Plug on your VAUXHALL ASTRA
Recommended replacement interval for the part category Spark plug : 4 year / 60000 km
Important!
This replacement procedure can be used for:
VAUXHALL Astra Mk IV (G) Saloon (T98) 1.8 16V … 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 Astra Mk IV (G) Saloon (T98) and other VAUXHALL models
Alternative products
How to change Spark plug on VAUXHALL ASTRA Mk IV (G) Saloon 1.6 16V – step-by-step instructions for straightforward car repair Spark plug
Tools
Replacement: spark plugs – VAUXHALL ASTRA Mk IV (G) Saloon. Tools you need:
Electronic spray
High-temperature anti-seize lubricant
Torque wrench
Spark plug socket # 16
Torx bit T20
Torx bit T30
Ratchet wrench
Flat Screwdriver
Crow bar
Microfibre towel
Fender cover
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Replacement: spark plugs – VAUXHALL ASTRA Mk IV (G) Saloon. AUTODOC recommends:
  • The replacement procedure is the same for all spark plugs.
  • All work should be done with the engine stopped.
Replacement: spark plugs – VAUXHALL ASTRA Mk IV (G) Saloon. Use the following procedure:
  1. Step 1
    Open the hood.
    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 VAUXHALL ASTRA Mk IV (G) Saloon 1998 - free PDF and video manuals
    Unscrew the fasteners of the air distribution housing assembly. Use Torx T20.
  2. Step 4
    How to replace VAUXHALL Astra Mk IV (G) Saloon (T98) 1.6 16V 1999 Spark Plug - step-by-step manuals and video guides
    Remove the air distribution housing assembly.
  3. Step 5
    VAUXHALL ASTRA Mk IV (G) Saloon 1.4 16V 2000 Spark Plug replacement: free workshop manuals
    Unscrew the engine cover fastener. Use Torx T30. Use a ratchet wrench.
  4. Step 6
    Changing Spark Plug on VAUXHALL Astra Mk IV (G) Saloon (T98) 1.2 16V 2001 by yourself
    Unscrew the oil filler plug.
  5. Step 7
    Remove the oil filler cap.
    Step 8
    How to remove VAUXHALL ASTRA 1.6 2002 Spark Plug - online easy-to-follow instructions
    Cover the oil filler opening with a microfibre towel to prevent dirt and foreign objects from getting into the system.
  6. Step 9
    How to replace Spark Plug on VAUXHALL Astra Mk IV (G) Saloon (T98) 2003: download PDF manuals and video instructions
    Remove the engine cover.
    AUTODOC recommends:
    Replacement: spark plugs – VAUXHALL ASTRA Mk IV (G) Saloon. Do not use excessive force when removing the part as this may damage it.
  7. Step 10
    How hard is it to do yourself: Spark Plug replacement on VAUXHALL ASTRA Mk IV (G) Saloon 2.0 16V 2004 - download illustrated guide
    Remove the microfibre towel from the oil filler opening.
  8. Step 11
    Need to know how to renew Spark Plug on VAUXHALL ASTRA 2005? This free workshop manual will help you to do it yourself
    Install the oil filler cap.
  9. Step 12
    Changing of Spark Plug on VAUXHALL ASTRA Mk IV (G) Saloon 1998 won't be an issue if you follow this illustrated step-by-step guide
    Clean the ignition coil bolts.
  10. Step 13
    VAUXHALL ASTRA 2.0 DI Spark Plug replacement: online guides and video tutorials
    Detach the connector from the ignition coil. Use a flat screwdriver.
  11. Step 14
    Replacing Spark Plug on VAUXHALL ASTRA Mk IV (G) Saloon 2000 1.6 16V by yourself
    Unscrew the ignition coil bolts. Use Torx T30. Use a ratchet wrench.
  12. Step 15
    Astra Mk IV (G) Saloon (T98) 1.6 2001 Spark Plug DIY replacement workshop manual
    Pry up the ignition coil. Use a crowbar.
  13. Step 16
    How to change Spark Plug on VAUXHALL Astra Mk IV (G) Saloon (T98) 2002 - tips and tricks
    Take out the ignition coil from the spark plug well.
  14. Step 17
    Step-by-step recommendations for DIY replacement VAUXHALL ASTRA Mk IV (G) Saloon 2003 1.6 Spark Plug
    Clean dirt, dust and debris from inside the spark plug wells.
  15. Step 18
    DIY replacement of Spark Plug on VAUXHALL Astra Mk IV (G) Saloon (T98) 1.7 CDTI 16V 2004 is not an issue anymore with our step-by-step tutorial
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  16. Step 19
    How to change Spark Plug on VAUXHALL ASTRA Mk IV (G) Saloon 1998 - free PDF and video manuals
    Take out the spark plugs.
  17. Step 20
    How to replace VAUXHALL Astra Mk IV (G) Saloon (T98) 1.6 16V 1999 Spark Plug - step-by-step manuals and video guides
    Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
  18. Step 21
    VAUXHALL ASTRA Mk IV (G) Saloon 1.4 16V 2000 Spark Plug replacement: free workshop manuals
    Install the new spark plugs into their mounting seats.
  19. Step 22
    Changing Spark Plug on VAUXHALL Astra Mk IV (G) Saloon (T98) 1.2 16V 2001 by yourself
    Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 24 nm torque.
    Replacement: spark plugs – VAUXHALL ASTRA Mk IV (G) Saloon. 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.
  20. Step 23
    How to remove VAUXHALL ASTRA 1.6 2002 Spark Plug - online easy-to-follow instructions
    Install the ignition coil to the spark plug well. Make sure you hear a click indicating that it is locked in place.
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