Recommended replacement interval for the part category Spark plug : 6 year / 60000 km

Important!

This replacement procedure can be used for:
AUDI A4 Saloon (8E2, B6) 1.8 T, AUDI A4 Saloon (8E2, B6) 1.8 T quattro, AUDI A4 Saloon (8E2, B6) 1.8 T, AUDI A4 Saloon (8E2, B6) 1.8 T quattro, AUDI A4 Saloon (8E2, B6) 1.8 T, AUDI A4 Saloon (8E2, B6) 1.8 T quattro, AUDI A4 Saloon (8E2, B6) 1.8 T … View more

The steps may slightly vary depending on the car design.

How to change spark plug on AUDI A4 B6 TUTORIAL | AUTODOC

All the parts you need to replace – Spark Plug for A4 Saloon (8E2, B6) and other AUDI models

Spark plug

        Spark plug for AUDI A4 Saloon (8E2, B6) 1.8 T Petrol (150 hp)
      
        Spark plug for AUDI A4 Saloon (8E2, B6) 1.8 T quattro Petrol (150 hp)
      
        Spark plug for AUDI A4 Saloon (8E2, B6) 1.8 T Petrol (163 hp)
      
        Spark plug for AUDI A4 Saloon (8E2, B6) 1.8 T Petrol (190 hp)
      
        Spark plug for AUDI A4 Saloon (8E2, B6) 1.8 T quattro Petrol (190 hp)
      
        Spark plug for AUDI A4 Saloon (8E2, B6) 1.8 T Petrol (170 hp)
      
        Spark plug for AUDI A4 Saloon (8E2, B6) 1.8 T quattro Petrol (170 hp)

Replacement: spark plugs – Audi A4 B6. Tools you might need:

                        Electronic spray
                      
                        High-temperature anti-seize lubricant
                      
                        Spark plug socket # 16
                      
                        Ratchet wrench
                      
                        Torque wrench
                      
                        Flat Screwdriver
                      
                        Fender cover

Buy tools

Replacement: spark plugs – Audi A4 B6. 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 – Audi A4 B6. Recommended sequence of steps:

Step 1

Open the bonnet.
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 a flat screwdriver.
Step 4

Remove the engine cover.
Step 5

Unplug the connectors from the ignition coils. Use a flat screwdriver.
Step 6

Take out the ignition coils from the spark plug wells.

Replacement: spark plugs – Audi A4 B6. Tip from AUTODOC experts:
Remember the sequence of steps for ignition coil demounting.
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. Use the spark plug socket #16.
Step 12

Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 27 nm torque.

Replacement: spark plugs – Audi A4 B6. 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 coils to the spark plug wells. Make sure you hear a click indicating that it is locked in place.

Replacement: spark plugs – Audi A4 B6. Tip from AUTODOC experts:
Follow the installation sequence.
Step 14

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 15

Plug in the connectors of the ignition coils.
Step 16

Install the engine cover and secure it.
Step 17

Screw in the engine cover fasteners. Use a flat screwdriver.

Replacement: spark plugs – Audi A4 B6. Tip:
Make sure the engine cover is properly seated. It should not be displaced with respect to the guiding fasteners.Caution! Do not use excessive force during installation. This may damage the fasteners of the car. Audi A4 B6
Step 18

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

Shut off the engine.

Step 20

Remove the fender protection cover.

Step 21

Close the hood.

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