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How to change ignition coil on OPEL Astra H GTC (A04) – replacement guide
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Important!
This replacement procedure can be used for:
OPEL Astra H GTC (A04) 1.6 (L08), OPEL Astra H GTC (A04) 1.6 Turbo (L08), OPEL Astra H GTC (A04) 1.8 (L08), OPEL Astra H GTC (A04) 1.6 (L08) … View more
The steps may slightly vary depending on the car design.
OPEL Astra H GTC (A04) 1.6 (L08), OPEL Astra H GTC (A04) 1.6 Turbo (L08), OPEL Astra H GTC (A04) 1.8 (L08), OPEL Astra H GTC (A04) 1.6 (L08) … 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 – Ignition Coil for Astra H GTC (A04) and other OPEL models
Alternative products

Electronic spray
Torque wrench
Torx bit T40
Ratchet wrench
Crow bar
Fender cover
Replacement: ignition coil – OPEL ASTRA H GTC (L08). AUTODOC experts recommend:
- The replacement procedure is the same for the ignition coils of all cylinders.
- Please note: all work on the car – OPEL ASTRA H GTC (L08) – should be done with the engine switched off.
Carry out replacement in the following order:
- Step 1Open the hood.Step 2Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.Step 3
Remove the engine cover.AUTODOC recommends:Replacement: ignition coil – OPEL ASTRA H GTC (L08). Do not use excessive force when removing the part as this may damage it. - Step 4
Detach the connector from the ignition coil. - Step 5
Unscrew the ignition coil bolts. Use Torx T40. Use a ratchet wrench. - Step 6Pry up the ignition coil. Use a crowbar.Step 7
Take out the ignition coil from the spark plug well. - Step 8
Clean dirt, dust and debris from inside the spark plug wells. - Step 9
Install the new ignition coil to the spark plug well. - Step 10
Tighten the ignition coil bolts. Use Torx T40. Use a torque wrench. Tighten it to 7 nm torque.
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