Recommended replacement interval for the part category Spark plug : 4 year / 60000 km

Important!

This replacement procedure can be used for:
OPEL Astra G CC (T98) 1.2 16V (F08, F48), OPEL Astra G CC (T98) 1.6 (F08, F48), OPEL Astra G CC (T98) 1.6 16V (F08, F48), OPEL Astra G CC (T98) 1.8 16V (F08, F48), OPEL Astra G CC (T98) 2.0 16V (F08, F48), OPEL Astra G CC (T98) 1.4 16V (F08, F48), OPEL Astra G CC (T98) 2.0 16V OPC (F08, F48), OPEL Astra G CC (T98) 1.6 (F08, F48), OPEL Astra G CC (T98) 1.8 16V (F08, F48), OPEL Astra G CC (T98) 2.0 OPC (F08, F48), OPEL Astra G CC (T98) 1.6 (F08, F48), OPEL Astra G CC (T98) 2.0 OPC (F08, F48), OPEL Astra G CC (T98) 1.8 (F08, F48), OPEL Astra G CC (T98) 1.4 (F08, F48), OPEL Astra G CC (T98) 1.6 LPG (F08, F48), OPEL Astra G CC (T98) 1.6 LPG (F08, F48), OPEL Astra G CC (T98) 1.4 LPG (F08, F48) … View more

The steps may slightly vary depending on the car design.

How to change spark plug on OPEL ASTRA G CC (F48, F08) [TUTORIAL AUTODOC]

All the parts you need to replace – Spark Plug for Astra G CC (T98) and other OPEL models

Spark plug

        Spark plug for OPEL Astra G CC (T98) 1.2 16V (F08, F48) Petrol (65 hp)
      
        Spark plug for OPEL Astra G CC (T98) 1.6 (F08, F48) Petrol (75 hp)
      
        Spark plug for OPEL Astra G CC (T98) 1.6 16V (F08, F48) Petrol (101 hp)
      
        Spark plug for OPEL Astra G CC (T98) 1.8 16V (F08, F48) Petrol (116 hp)
      
        Spark plug for OPEL Astra G CC (T98) 2.0 16V (F08, F48) Petrol (136 hp)
      
        Spark plug for OPEL Astra G CC (T98) 1.4 16V (F08, F48) Petrol (90 hp)
      
        Spark plug for OPEL Astra G CC (T98) 2.0 16V OPC (F08, F48) Petrol (160 hp)
      
        Spark plug for OPEL Astra G CC (T98) 1.6 (F08, F48) Petrol (84 hp)
      
        Spark plug for OPEL Astra G CC (T98) 1.8 16V (F08, F48) Petrol (125 hp)

Replacement: spark plugs – Opel Astra G F48. Tools you might need:

                        High-temperature anti-seize lubricant
                      
                        Electronic spray
                      
                        Torx bit T30
                      
                        Spark plug socket # 16
                      
                        Ratchet wrench
                      
                        Torque wrench
                      
                        Flat screwdriver
                      
                        Crow bar
                      
                        Fender cover

Buy tools

Replacement: spark plugs – Opel Astra G F48. Professionals recommend:

The replacement procedure is the same for all spark plugs.
Warning! Shut down the engine before starting any work – Opel Astra G F48.

Carry out replacement in the following order:

Step 1

Open the hood. Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
Step 2

Remove the engine cover.
Step 3

Detach the connector from the ignition coil. Use a flat screwdriver.
Step 4

Unscrew the ignition coil bracket. Use Torx T30. Use a ratchet wrench.
Step 5

Pry up the ignition coil. Use a crowbar.
Step 6

Take out the ignition coil from the spark plug well.
Step 7

Clean dirt, dust and debris from inside the spark plug wells.
Step 8

Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
Step 9

Take out the spark plugs.
Step 10

Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
Step 11

Install the new spark plugs into their mounting seats.
Step 12

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 – Opel Astra G F48. AUTODOC recommends:
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 13

Install the ignition coil to the spark plug well. Make sure you hear a click indicating that it is locked in place.
Step 14

Tighten the ignition coil fastening. Use Torx T30. Use a torque wrench. Tighten it to 15 nm torque.
Step 15

Treat the ignition coil connector with electronic spray. The spray will protect the electrical contacts from corrosion, oxidation, and will reduce the contact resistance.

Replacement: spark plugs – Opel Astra G F48. Tip:
After applying the spray, wait a few minutes.
Step 16

Plug in the ignition coil connector.
Step 17

Install the engine cover and secure it. Make sure you hear a click indicating that it is locked in place.
Step 18

Run the engine for a few minutes. This is necessary in order to make sure that the component operates properly. Shut off the engine.
Step 19

Remove the fender protection cover.

Step 20

Close the hood.

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