When to replace the Glow Plugs on your AUDI A7
Recommended replacement interval for the part category Glow plug : 30000 km
Important!
This replacement procedure can be used for:
AUDI A7 Sportback (4KA) 40 TDI Mild Hybrid, AUDI A7 Sportback (4KA) 40 TDI Mild Hybrid quattro 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 – Glow Plugs for A7 Sportback (4KA) and other AUDI models
How to change Glow plug on AUDI A7 Sportback (4KA) 50 TDI Mild Hybrid quattro – step-by-step instructions for straightforward car repair Glow plug
How to change Glow plug on A7 Sportback (4KA) – tips for proper car maintenance
Glow plug for A7 Sportback (4KA) Diesel/Electro (204 hp)
Tools
Replacement: glow plugs – AUDI A7 Sportback (4KA). Tools you might need:
WD-40 spray
Electronic spray
High-temperature ceramic grease
Torque wrench
Spark plug socket # 10
Torx bit T27
Ratchet wrench
Flat screwdriver
Needle nose pliers
Fender cover
Replacement: glow plugs – AUDI A7 Sportback (4KA). AUTODOC experts recommend:
  • The replacement procedure is identical for all glow plugs.
  • Wear gloves to protect your hands from hot surfaces.
  • Replacement: glow plugs – AUDI A7 Sportback (4KA). Recommended sequence of steps:
Carry out replacement in the following order:
  1. Step 1
    Open the bonnet.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    Before getting down to work, start the engine and let it warm up to operating temperature.
    Step 4
    Shut off the engine.
    Step 5
    How to change Glow Plugs on AUDI A7 Sportback (4KA) 2017 - free PDF and video manuals
    Unscrew the bracket for the engine pipes. Use Torx T27. Use a ratchet wrench.
  2. Step 6
    How to replace AUDI A7 Sportback (4KA) 50 TDI Mild Hybrid quattro 2018 Glow Plugs - step-by-step manuals and video guides
    Detach the engine wiring harness. Use a flat screwdriver.
  3. Step 7
    AUDI A7 Sportback (4KA) 55 TFSI Mild Hybrid quattro 2019 Glow Plugs replacement: free workshop manuals
    Detach the engine wiring harness connectors. Use a flat screwdriver.
  4. Step 8
    Changing Glow Plugs on AUDI A7 Sportback (4KA) 45 TDI Mild Hybrid quattro 2020 by yourself
    Detach the glow plug wiring connectors. Use needle nose pliers.
  5. Step 9
    How to remove AUDI A7 45 TDI Mild Hybrid quattro (DDVF) 2021 Glow Plugs - online easy-to-follow instructions
    Clean dirt, dust and debris from inside the spark plug wells.
  6. Step 10
    How to replace Glow Plugs on AUDI A7 Sportback (4KA) 2022: download PDF manuals and video instructions
    Treat the glow plugs. Use WD-40 spray.
  7. Step 11
    How hard is it to do yourself: Glow Plugs replacement on AUDI A7 Sportback (4KA) 45 TFSI Mild hybrid quattro 2023 - download illustrated guide
    Unscrew the glow plugs. Use the spark plug socket #10. Use a torque wrench.
  8. Step 12
    Need to know how to renew Glow Plugs on AUDI A7 2024? This free workshop manual will help you to do it yourself
    Clean dirt, dust and debris from inside the spark plug wells.
  9. Step 13
    Changing of Glow Plugs on AUDI A7 Sportback (4KA) 2017 won't be an issue if you follow this illustrated step-by-step guide
    Remove the glow plugs. Use the spark plug socket #10. Use needle nose pliers.
  10. Step 14
    AUDI A7 S7 TDI Mild Hybrid quattro Glow Plugs replacement: online guides and video tutorials
    Treat the glow plugs. Use high-temperature ceramic grease.
    Please note!
    Do not touch the heating element as fingerprints may cause malfunction.
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DIY AUDI A7 Sportback (4KA) Glow Plugs replacement - online guide
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