Change Car Particulate Filter (DPF) Land Rover Discovery

Change Car Particulate Filter (DPF)

Easy 0h30–2h30 ~50–250£
Estimated time 0h30–2h30
Estimated labour cost ~50–250£
Difficulty Easy
Vehicles
Discovery I 1989-1999 3
  • 2.5 TDI 200 Diesel (21L/12L/17L)
  • 2.5 TDI 300 Diesel (19L)
  • 2.5 TDI 300 Diesel (19L)
Discovery II 1999-2005 2
  • 2.5 TD5 Diesel (10P)
  • 2.5 TD5 Diesel (15P/16P)
Discovery III 2005-2009 1
  • 2.7 TDV6 Diesel (276DT)
Discovery IV 2009-2018 4
  • 2.7 TDV6 Diesel (276DT)
  • 3.0 TDV6 Diesel (306DT)
  • 3.0 TDV6 Diesel (306DT)
  • 3.0 TDV6 Diesel (306DT)
Discovery V 2017-2025 4
  • 2.0 TD4 Diesel (204DTA)
  • 2.0 TD4 Diesel (204DTD)
  • 3.0 TDV6 Diesel (306DT)
  • D250 (3.0 MHEV) 48V (MHEV),Diesel (DT306)
Check the catalytic converter 0h30
Remove/refit the catalytic converter 0h30–2h30
Renew the catalytic converter 0h30–2h30
Prepare the catalytic converter heat shield for installation* 0h45
Remove/refit the left catalytic converter 2h00
Remove/refit the diesel particulate filter 1h30–6h00
Renew the diesel particulate filter 1h30–6h00
Remove/refit the diesel particulate filter* 2h00
Renew the diesel particulate filter* 2h00
Remove/refit the diesel particulate filter/catalytic converter assembly 3h00–6h00
Renew the diesel particulate filter/catalytic converter assembly 3h00–6h00
Renew the diesel particulate filter fuel additive reservoir 2h30
Remove/refit the diesel particulate filter fuel additive reservoir 2h30
Remove/refit the diesel particulate filter fuel additive injector 0h45
Renew the diesel particulate filter fuel additive injector 0h45
Remove/refit the AdBlue tank 2h30
Drain/refill the AdBlue tank 0h45
Renew the AdBlue tank 2h30

What is a Land Rover Discovery 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 Land Rover Discovery 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 Land Rover Discovery 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 Land Rover Discovery 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 Land Rover Discovery 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.

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View your Discovery maintenance plan (keep the Discovery token) →

5 models covered

Model Year Range Engines covered Fuel
Discovery I 1989-1999 1989-1999 2.5 TDI 200 Diesel (21L/12L/17L), 2.5 TDI 300 Diesel (19L), 2.5 TDI 300 Diesel (19L), 3.5 V8 Petrol (22D/36L/38L), 3.5 V8i Petrol (24D), 3.9 V8i Petrol (36D) Diesel, Petrol
Discovery II 1999-2005 1999-2005 2.5 TD5 Diesel (10P), 2.5 TD5 Diesel (15P/16P), 4.0 V8 Petrol (10D/12D/94D), 4.0 V8 Petrol (56D) Diesel, Petrol
Discovery III 2005-2009 2005-2009 2.7 TDV6 Diesel (276DT), 4.0 V6 Petrol (406PN), 4.4 V8 Petrol (448PN) Diesel, Petrol
Discovery IV 2009-2018 2009-2018 2.7 TDV6 Diesel (276DT), 3.0 TDV6 Diesel (306DT), 3.0 TDV6 Diesel (306DT), 3.0 TDV6 Diesel (306DT), 3.0 V6 S/C Petrol (306PS), 5.0 V8 Petrol (508PN) Diesel, Petrol
Discovery V 2017-2025 2017-2025 2.0 Si4 Petrol (PT204), 2.0 TD4 Diesel (204DTA), 2.0 TD4 Diesel (204DTD), 3.0 TDV6 Diesel (306DT), 3.0 V6 SC Petrol (306PS), D250 (3.0 MHEV) 48V (MHEV),Diesel (DT306) 48V (MHEV), Diesel, Petrol

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