Change Car Glow Plugs Audi A4

Change Car Glow Plugs

Intermediate 0h45–3h00 ~75–300£
Estimated time 0h45–3h00
Estimated labour cost ~75–300£
Difficulty Intermediate
Vehicles
A4 1995-2002 7
  • 1.9 TDI Diesel (1Z)
  • 1.9 TDI Diesel (AFF)
  • 1.9 TDI Diesel (AFN)
  • 1.9 TDI Diesel (AHH)
  • 1.9 TDI Diesel (AHU)
  • 1.9 TDI Diesel (ATJ)
  • 1.9 TDI Diesel (AVG)
A4 2001-2005 11
  • 1.9 TDI Diesel (AVB)
  • 1.9 TDI Diesel (AVF)
  • 1.9 TDI Diesel (AWX)
  • 1.9 TDI Diesel (BKE)
  • 2.5 TDI V6 Diesel (AKE)
  • 2.5 TDI V6 Diesel (AYM)
  • 2.5 TDI V6 Diesel (BAU)
  • 2.5 TDI V6 Diesel (BDH)
  • 2.5 TDI V6, -Cabriolet Diesel (BCZ)
  • 2.5 TDI V6, -Cabriolet Diesel (BDG)
  • 2.5 TDI V6, -Cabriolet Diesel (BFC)
A4 2005-2009 17
  • 1.9 TDI Diesel (BKE)
  • 1.9 TDI DPF Diesel (BRB)
  • 2.0 TDI 8V DPF Cabriolet Diesel (BRC)
  • 2.0 TDI 8V DPF, -Cabriolet Diesel (BPW)
  • 2.0 TDI Diesel (BLB)
  • 2.0 TDI Diesel (BNA)
  • 2.0 TDI Diesel (BVG)
  • 2.0 TDI DPF Diesel (BRD)
  • 2.0 TDI DPF Diesel (BRE)
  • 2.0 TDI DPF Diesel (BRF)
  • 2.0 TDI DPF Diesel (BVA)
  • 2.0 TDI DPF Diesel (BVF)
  • 2.5 TDI V6 Diesel (BDG)
  • 2.7 TDI V6 DPF Diesel (BSG)
  • 2.7 TDI V6 DPF, -Cabriolet Diesel (BPP)
  • 3.0 TDI V6, -Cabriolet Diesel (ASB)
  • 3.0 TDI V6, -Cabriolet Diesel (BKN)
A4 2007-2015 27
  • 2.0 TDI Diesel (CAGA)
  • 2.0 TDI Diesel (CAGB)
  • 2.0 TDI Diesel (CAGC)
  • 2.0 TDI Diesel (CAHA)
  • 2.0 TDI Diesel (CAHB)
  • 2.0 TDI Diesel (CGLC)
  • 2.0 TDI Diesel (CGLD)
  • 2.0 TDI Diesel (CJCA)
  • 2.0 TDI Diesel (CJCB)
  • 2.0 TDI Diesel (CJCC)
  • 2.0 TDI Diesel (CJCD)
  • 2.0 TDI Diesel (CNHA)
  • 2.0 TDI Diesel (CNHC)
  • 2.0 TDI Diesel (CSUA)
  • 2.0 TDI Diesel (CSUB)
  • 2.7 V6 TDI Diesel (CAMA)
  • 2.7 V6 TDI Diesel (CAMB)
  • 2.7 V6 TDI Diesel (CGKA)
  • 2.7 V6 TDI Diesel (CGKB)
  • 3.0 TDI Diesel (CAPA)
  • 3.0 TDI Diesel (CCLA)
  • 3.0 TDI Diesel (CCWA)
  • 3.0 TDI Diesel (CCWB)
  • 3.0 TDI Diesel (CDUC)
  • 3.0 TDI Diesel (CKVB)
  • 3.0 TDI Diesel (CKVC)
  • 3.0 TDI Diesel (CLAB)
A4 2016-2025 15
  • 2.0 TDI Diesel (DETA)
  • 2.0 TDI Diesel (DETB)
  • 2.0 TDI Diesel (DEUA)
  • 2.0 TDI Diesel (DEUB)
  • 2.0 TDI Diesel (DEUC)
  • 3.0 TDI Diesel (CRTC)
  • 3.0 TDI Diesel (CSWB)
  • 3.0 TDI Diesel (DCPC)
  • 30 TDI MHEV 48V (MHEV),Diesel (DTNB)
  • 30 TDI MHEV Diesel (DEZB)
  • 35 TDI MHEV 48V (MHEV),Diesel (DTNA)
  • 35 TDI MHEV Diesel (DEZE)
  • 40 TDI MHEV Diesel (DTPA)
  • 45 TDI Diesel (DCPE)
  • S4 (3.0 TDI) 48V (MHEV),Diesel (DEWB)
Renew all the glow plugs (2013 - ) 1h30
Renew all the glow plugs ( - 2012) 1h30

What is the role of Audi A4 glow plugs?

Glow plugs are used in diesel engines to preheat the combustion chamber before starting, particularly in cold weather. Unlike petrol engines that use spark plugs to ignite the fuel, diesel engines rely on compression ignition. Modern glow plugs also remain active after starting to reduce emissions and noise during the warm-up phase.

When should you change your Audi A4 glow plugs?

Generally, glow plugs last between 80,000 and 160,000 km. Symptoms of failing glow plugs include: difficulty starting in cold weather, white or grey exhaust smoke on start-up, rough idle during warm-up, the glow plug warning light remaining illuminated, and increased fuel consumption.

How do I know if the Audi A4 glow plugs need changing?

Via the EOBD diagnostic system, faulty glow plugs will trigger fault codes (typically P0380–P0384 for glow plug circuit faults). Individual glow plug resistance can be measured with a multimeter (typically 0.5–2 ohms for a good plug).

Is it difficult to change Audi A4 glow plugs?

Difficulty level 3/5: intermediate. Glow plugs can seize in the cylinder head over time due to heat and corrosion, making removal difficult and risking breakage. Key steps: warm the engine first, apply penetrating oil, use the correct glow plug socket, unscrew carefully (do not force — a broken glow plug requires specialist extraction).

View all compatible products →
View your A4 maintenance plan (keep the A4 token) →

5 models covered

Model Year Range Engines covered Fuel
A4 1995-2002 1995-2002 1.6 Petrol (ADP), 1.6 Petrol (AHL), 1.6 Petrol (ALZ), 1.6 Petrol (ANA), 1.8 20V Petrol (ADR), 1.8 20V Petrol (AFY), 1.8 20V Petrol (APT), 1.8 20V Petrol (ARG), 1.8 20V Petrol (AVV), 1.8 20V Turbo Petrol (AEB), 1.8 20V Turbo Petrol (AJL), 1.8 20V Turbo Petrol (ANB), 1.8 20V Turbo… Diesel, Petrol
A4 2001-2005 2001-2005 1.6 8V Petrol (ALZ), 1.8 20V Turbo Petrol (AMB), 1.8 20V Turbo Petrol (AVJ), 1.8 20V Turbo Petrol (BEX), 1.8 20V Turbo, -Cabriolet Petrol (BFB), 1.9 TDI Diesel (AVB), 1.9 TDI Diesel (AVF), 1.9 TDI Diesel (AWX), 1.9 TDI Diesel (BKE), 2.0 20V, -Cabriolet Petrol (ALT), 2.0 FSi Petr… Diesel, Petrol
A4 2005-2009 2005-2009 1.6 8V Petrol (ALZ), 1.8 20V Turbo, -Cabriolet Petrol (BFB), 1.9 TDI Diesel (BKE), 1.9 TDI DPF Diesel (BRB), 2.0 20V Petrol (ALT), 2.0 TDI 8V DPF Cabriolet Diesel (BRC), 2.0 TDI 8V DPF, -Cabriolet Diesel (BPW), 2.0 TDI Diesel (BLB), 2.0 TDI Diesel (BNA), 2.0 TDI Diesel (BVG), 2.… Diesel, Petrol
A4 2007-2015 2007-2015 1.8 TFSI Petrol (CABA), 1.8 TFSI Petrol (CABB), 1.8 TFSI Petrol (CDHA), 1.8 TFSI Petrol (CDHB), 1.8 TFSI Petrol (CJEB), 2.0 TDI Diesel (CAGA), 2.0 TDI Diesel (CAGB), 2.0 TDI Diesel (CAGC), 2.0 TDI Diesel (CAHA), 2.0 TDI Diesel (CAHB), 2.0 TDI Diesel (CGLC), 2.0 TDI Diesel (CGLD)… Bioethanol (E85), Diesel, Petrol
A4 2016-2025 2016-2025 1.4 TFSI Petrol (CVNA), 2.0 G-tron CNG (CVLA), 2.0 TDI Diesel (DETA), 2.0 TDI Diesel (DETB), 2.0 TDI Diesel (DEUA), 2.0 TDI Diesel (DEUB), 2.0 TDI Diesel (DEUC), 2.0 TFSI MHEV 48V (MHEV),Petrol (DDWA), 2.0 TFSI MHEV 48V (MHEV),Petrol (DEMA), 2.0 TFSI Petrol (CVKB), 2.0 TFSI Petr… 48V (MHEV), CNG, Diesel, Petrol

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View the service schedule for your A4 →