Change Car Particulate Filter (DPF) Audi Allroad
Change Car Particulate Filter (DPF)
| Estimated time | 0h30–0h30 |
|---|---|
| Estimated labour cost | ~50£ |
| Difficulty | Easy |
| Vehicles |
Allroad 1997-2005 14
Allroad 2000-2005 3
Allroad 2011-2018 28
|
| Check the catalytic converter | 0h30 |
| Check the diesel particulate filter saturation (using a diagnostic tool) | 0h30 |
| Remove/refit the catalytic converter | 0h45–2h00 |
| Renew the catalytic converter | 0h45–2h00 |
| Prepare the catalytic converter heat shield for installation* | 0h45 |
| Remove/refit the front catalytic converter with the exhaust pipe | 2h00 |
| Renew the front catalytic converter with the exhaust pipe | 2h00 |
| Remove/refit the pre-catalytic converter | 2h30–3h30 |
| Renew the pre-catalytic converter | 2h30–3h30 |
| Selective catalytic reduction (SCR): check the fluid level; top up if necessary | 0h30 |
| Remove/refit the diesel particulate filter | 2h00–12h00 |
| Renew the diesel particulate filter | 2h00–12h00 |
| Remove/refit the diesel particulate filter/catalytic converter assembly | 3h30–8h00 |
| Renew the diesel particulate filter/catalytic converter assembly | 3h30–8h00 |
| Remove/refit the petrol particulate filter temperature sensor | 0h30–1h30 |
| Renew the petrol particulate filter temperature sensor | 0h30–1h30 |
| Check/top up the diesel particulate filter fuel additive | 0h30 |
| Renew the diesel particulate filter fuel additive reservoir | 2h00 |
| Remove/refit the diesel particulate filter fuel additive reservoir | 2h00 |
| Renew the catalytic converter gasket | 0h45–1h30 |
| Remove/refit the diesel particulate filter fuel additive injector | 1h30 |
| Remove/refit the petrol particulate filter | 3h30–12h00 |
| Renew the petrol particulate filter | 3h30–12h00 |
| Renew the diesel particulate filter fuel additive injector | 1h30 |
| Remove/refit the petrol particulate filter differential pressure sensor | 0h30–1h30 |
| Renew the petrol particulate filter differential pressure sensor | 0h30–1h30 |
| Remove/refit the AdBlue tank | 2h00 |
| Renew the AdBlue tank | 2h00 |
What is a Audi Allroad particulate filter?
Diesel engines and direct-injection petrol engines produce soot particles. The particulate filter (DPF/GPF) traps these harmful particles as exhaust gases pass through its honeycomb structure. It is placed on the exhaust line after the catalytic converter.
How does the Audi Allroad particulate filter work?
As soot accumulates, the filter periodically burns off (regenerates) the trapped particles. Active regeneration raises exhaust temperatures to 550–600°C, burning soot to ash. This occurs every 300–500 km during normal motorway driving. Vehicles driven only on short urban trips may not regenerate properly, leading to blockage.
When should you change the Audi Allroad particulate filter?
The DPF is designed to last 150,000–250,000 km but depends on driving patterns. Signs of needed replacement: DPF warning light, engine in limp mode, excessive exhaust smoke, or diagnostic scan showing excessive back-pressure or failed regeneration cycles.
Can the Audi Allroad particulate filter be cleaned instead of replaced?
Yes, professional DPF cleaning can restore a blocked filter at a fraction of replacement cost. However, if the filter substrate is cracked, melted, or structurally damaged, replacement is the only option. Never use a DPF removal/delete service — it is illegal and will fail the MOT/emissions test.
Is it difficult to change the Audi Allroad particulate filter?
Difficulty level 2/5: technically straightforward but physically demanding due to the filter's location and weight. Key steps: raise the vehicle, disconnect pressure sensors, remove exhaust clamps/bolts, lower the old DPF, fit the new one with new gaskets, reconnect sensors, clear fault codes, perform a forced regeneration cycle.
3 models covered
| Model | Year Range | Engines covered | Fuel |
|---|---|---|---|
| Allroad 1997-2005 | 1997-2005 | 1.8 20V Turbo Petrol (AWT), 1.9 TDI Diesel (AFN), 1.9 TDI Diesel (AJM), 1.9 TDI Diesel (AVF), 1.9 TDI Diesel (AVG), 1.9 TDI Diesel (AWX), 2.0 20V Petrol (ALT), 2.4 V6 30V Petrol (AMM), 2.4 V6 30V Petrol (ASM), 2.4 V6 30V Petrol (BDV), 2.5 V6 TDI Diesel (AFB), 2.5 V6 TDI Diesel (… | Diesel, Petrol |
| Allroad 2000-2005 | 2000-2005 | 2.5 V6 TDI Diesel (AKE), 2.5 V6 TDI Diesel (BAU), 2.5 V6 TDI Diesel (BCZ), 2.7 V6 Bi-Turbo Petrol (ARE), 2.7 V6 Bi-Turbo Petrol (BES), 4.2 V8 Petrol (BAS) | Diesel, Petrol |
| Allroad 2011-2018 | 2011-2018 | 1.8 TFSI Petrol (CYGA), 2.0 TDI Diesel (CGLC), 2.0 TDI Diesel (CGLD), 2.0 TDI Diesel (CGLE), 2.0 TDI Diesel (CNHA), 2.0 TDI Diesel (CSUD), 2.0 TDI Diesel (CSUE), 2.0 TDI Diesel (DDCA), 2.0 TDI Diesel (DDCB), 2.0 TDI Diesel (DDDA), 2.0 TFSI Hybrid Electricity,Petrol (CHJA+EAFA), … | Diesel, Electricity, Petrol |
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