Recommended replacement interval for the part category Spark plug : 100000 km

Important!

This replacement procedure can be used for:
ALFA ROMEO 147 (937) 2.0 16V T.SPARK (937.AXA1, 937.AXC1, 937.BXC1), ALFA ROMEO 147 (937) 1.6 LPG (937BXB1A), ALFA ROMEO 147 (937) 1.6 LPG (937AXA1A) … View more

The steps may slightly vary depending on the car design.

How to change spark plug on ALFA ROMEO 147 (937) [TUTORIAL AUTODOC]

All the parts you need to replace – Spark Plug for 147 (937) and other ALFA ROMEO models

Alternative products

Spark plug

Replacement: spark plugs – Alfa Romeo 147 937. Tools you might need:

                      High-temperature anti-seize lubricant
                    
                      Electronic spray
                    
                      Torque wrench
                    
                      Spark plug socket # 16
                    
                      Torx bit T40
                    
                      Ratchet wrench
                    
                      Fender cover

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Replacement: spark plugs – Alfa Romeo 147 937. Tip from AUTODOC:

The replacement procedure is the same for all spark plugs.
All work should be done with the engine stopped.

Replacement: spark plugs – Alfa Romeo 147 937. Use the following procedure:

Step 1

Open the hood.
Step 2

Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
Step 3

Unscrew the engine cover fastener. Use Torx T40. Use a ratchet wrench.
Step 4

Unscrew the oil filler plug.
Step 5

Remove the oil filler cap.
Step 6

Remove the engine cover.

AUTODOC recommends:
Replacement: spark plugs – Alfa Romeo 147 937. Do not use excessive force when removing the part as this may damage it.
Step 7

Install the oil filler cap.
Step 8

Tighten the oil filler cap.
Step 9

Unplug the connectors from the ignition coils.
Step 10

Unscrew the ignition coil bracket. Use Torx T40. Use a ratchet wrench.
Step 11

Take out the ignition coil from the spark plug well.
Step 12

Clean dirt, dust and debris from inside the spark plug wells.
Step 13

Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
Step 14

Take out the spark plugs.
Step 15

Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
Step 16

Install the new spark plugs into their mounting seats.
Step 17

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 – Alfa Romeo 147 937. 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 18

Install the ignition coils to the spark plug wells. Make sure you hear a click indicating that it is locked in place.
Step 19

Tighten the ignition coil fastening. Use Torx T40. Use a torque wrench. Tighten it to 7 nm torque.
Step 20

Treat the ignition coil connector with electronic spray. The spray will protect the electrical contacts from corrosion, oxidation, and will reduce the contact resistance.
Step 21

Plug in the connectors of the ignition coils.
Step 22

Unscrew the oil filler plug.
Step 23

Remove the oil filler cap.
Step 24

Install the engine cover and secure it.

AUTODOC recommends:
Replacement: spark plugs – Alfa Romeo 147 937. To avoid damaging the part during installation, do not use excessive force.
Step 25

Install the oil filler cap.

Step 26

Tighten the oil filler cap.
Step 27

Screw in the engine cover fasteners. Use Torx T40. Use a ratchet wrench.
Step 28

Run the engine for a few minutes. This is necessary in order to make sure that the component operates properly.
Step 29

Shut off the engine.

Step 30

Remove the fender protection cover.
Step 31

Close the hood.

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