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

Important!

This replacement procedure can be used for:
PEUGEOT 508 I (8D_) Saloon 1.6 VTi, PEUGEOT 508 I (8D_) Saloon 1.6 THP, PEUGEOT 508 I (8D_) Saloon 1.6 VTi, PEUGEOT 508 I (8D_) Saloon 1.6 THP, PEUGEOT 508 I (8D_) Saloon 1.6 THP … 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 508 I (8D_) Saloon and other PEUGEOT models

Spark plug

        Spark plug for 508 I (8D_) Saloon Petrol (120 hp)
      
        Spark plug for 508 I (8D_) Saloon Petrol (156 hp)
      
        Spark plug for 508 I (8D_) Saloon Petrol (116 hp)
      
        Spark plug for 508 I (8D_) Saloon Petrol (150 hp)
      
        Spark plug for 508 I (8D_) Saloon Petrol (163 hp)

Replacement: spark plugs – PEUGEOT 508. Tools you'll need:

                        Electronic spray
                      
                        Crow bar
                      
                        Spark plug socket # 14
                      
                        High-temperature anti-seize lubricant
                      
                        Torque wrench
                      
                        Fender cover
                      
                        Ignition coil removal tool
                      
                        Telescoping magnet

Buy tools

Replacement: spark plugs – PEUGEOT 508. AUTODOC experts recommend:

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

Replacement: spark plugs – PEUGEOT 508. Recommended sequence of steps:

Step 1

Open the hood.

Step 2

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

Step 3

Unplug the connectors from the ignition coils. Use an ignition coil remover.
Step 4

Pry up the ignition coil. Use a crowbar. Take out the ignition coil from the spark plug well.

Replacement: spark plugs – PEUGEOT 508. Tip:
Remember the sequence of steps for ignition coil demounting.
Step 5

Clean dirt, dust and debris from inside the spark plug well.
Step 6

Unscrew the spark plugs. Use the 12-point spark plug socket #14.
Step 7

Take out the spark plugs. Use a telescoping magnet.
Step 8

Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
Step 9

Install the new spark plugs into their mounting seats.
Step 10

Screw new spark plugs and tighten them. Use the 12-point spark plug socket #14. Use a torque wrench. Tighten it to 23 nm torque.

Replacement: spark plugs – PEUGEOT 508. Tip from AUTODOC:
Be careful when working with a spark plug wrench. Its skewing can cause damage to the threaded connection.Don't tighten the plugs with excessive force. Exceeding tightening torque can damage the thread connection.
Step 11

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

AUTODOC recommends:
Replacement: spark plugs – PEUGEOT 508. Follow the installation steps.
Step 12

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 13

Plug in the connectors of the ignition coils.
Step 14

Lock the connector.

Step 15

Remove the fender protection cover.

Step 16

Close the hood.

Was this manual helpful?

Please rate this manual on a scale from 1 to 5. If you have any questions, feel free to ask us.

Searching for the right tyres?

Find out which tyre and wheel sizes are compatible with the PEUGEOT 508 I (8D_) Saloon model.

Browse tyres

How to change ignition coil on PEUGEOT 508 I (8D_) Saloon – replacement guide

Free download PDF
1.71 MB
How to change serpentine belt on PEUGEOT 508 I (8D_) Saloon – replacement guide

Free download PDF
716.8 KB
How to change lambda sensor on PEUGEOT 508 I (8D_) Saloon – replacement guide

Free download PDF
849.92 KB
How to change rear wheel bearing on PEUGEOT 508 I (8D_) Saloon – replacement guide

Free download PDF
2.58 MB
How to change engine oil and filter on PEUGEOT 508 I (8D_) Saloon – replacement guide

Free download PDF
3.11 MB
How to change fuel filter on PEUGEOT 508 I (8D_) Saloon – replacement guide

Free download PDF
931.84 KB

How to change spark plugs on PEUGEOT 508 I SW (8E_) – replacement guide

Free download PDF
1.17 MB
How to change spark plugs on a car – replacement tutorial

Universal

Free download PDF
1.74 MB
How to change spark plugs on Peugeot 208 1 – replacement guide

Free download PDF
1.82 MB
How to change spark plugs on Peugeot 207 hatchback – replacement guide

Free download PDF
1.41 MB
How to change spark plugs on Peugeot 308 I – replacement guide

Free download PDF
1.46 MB
How to change spark plugs on Peugeot 107 PM PN – replacement guide

Free download PDF
1.79 MB

Your profile is your personal assistant.

It can track car expenses, keep a car log and replacement schedule, and save favourite materials, notes and documents

Install the AUTODOC CLUB app!

Your personal car expenses manager, maintenance tips, reminders about upcoming appointments and service intervals, DIY repair instructions – all this on your phone.

Scan

To download the app:

- scan the QR code
- download from App Store
- download from Google Play

How to Make a DIY Foam Sprayer | AUTODOC tips

204K views

Published on: 23/06/2022
Things you should never do with your manual transmission | AUTODOC tips

5K views

Published on: 20/10/2020
Checking the starter without removing it | AUTODOC tips

19K views

Published on: 01/12/2020
Top 5 tips to prevent car rust | AUTODOC tips

5K views

Published on: 27/07/2023