Change Car Particulate Filter (DPF) Renault Laguna

Change Car Particulate Filter (DPF)

Easy 0h30 ~50£
Estimated time 0h30
Estimated labour cost ~50£
Difficulty Easy
Vehicles
Laguna I 1994-2001 6
  • 2.2 D Diesel (G8T-706 (M7))
  • 2.2 D Diesel (G8T-752 (E7))
  • 2.2 D Diesel (G8T-790)
  • 2.2 D Diesel (G8T-792 (N7))
  • 2.2 D Diesel (G8T-794)
  • 2.2 DT Diesel (G8T-760 (V7))
Laguna II 2001-2008 19
  • 1.9 dCi 110 Diesel (F9Q-674 (D6))
  • 1.9 dCi 110 Diesel (F9Q-752 (N7))
  • 1.9 dCi 110 Diesel (F9Q-754 (T7))
  • 1.9 dCi 110 FAP Diesel (F9Q-758 (17))
  • 1.9 dCi 115 FAP Diesel (F9Q-759 (27))
  • 1.9 dCi 120 Diesel (F9Q-674 (D6))
  • 1.9 dCi 120 Diesel (F9Q-750 (C7))
  • 1.9 dCi 130 FAP Diesel (F9Q-758 (17))
  • 1.9 dCi 130 FAP Diesel (F9Q-759 (27))
  • 1.9 dCi 95 Diesel (F9Q-664 (E6))
  • 2.0 dCi 150 Diesel (M9R-740 (A7))
  • 2.0 dCi 150 FAP Diesel (M9R-760 (C7))
  • 2.0 dCi 175 FAP Diesel (M9R-760 (C7))
  • 2.2 dCi 16V 140 FAP Diesel (G9T-600 (A6))
  • 2.2 dCi 16V 140 FAP Diesel (G9T-605 (D6))
  • 2.2 dCi 16V 150 Diesel (G9T-700)
  • 2.2 dCi 16V 150 Diesel (G9T-702 (D7))
  • 2.2 dCi 16V 150 Diesel (G9T-703 (E7))
  • 2.2 dCi 16V 150 Diesel (G9T-707 (E7))
Laguna III 2007-2015 20
  • 1.5 dCi 110 FAP Diesel (K9K-780 (37))
  • 1.5 dCi 110 FAP Diesel (K9K-782 (57))
  • 1.5 dCi 110 FAP Diesel (K9K-846 (R8/T8))
  • 2.0 dCi 130 Diesel (M9R-742 (G7))
  • 2.0 dCi 130 Diesel (M9R-803 (68))
  • 2.0 dCi 130 FAP Diesel (M9R-744 (N7))
  • 2.0 dCi 130 FAP Diesel (M9R-802 (A8))
  • 2.0 dCi 130 FAP Diesel (M9R-858 (P8))
  • 2.0 dCi 150 FAP Diesel (M9R-742 (G7))
  • 2.0 dCi 150 FAP Diesel (M9R-744 (N7))
  • 2.0 dCi 150 FAP Diesel (M9R-802 (A8))
  • 2.0 dCi 150 FAP Diesel (M9R-805 (J8))
  • 2.0 dCi 150 FAP Diesel (M9R-814 (P8))
  • 2.0 dCi 175 Diesel (M9R-857)
  • 2.0 dCi 175 FAP Diesel (M9R-800 (F8))
  • 2.0 dCi 175 FAP Diesel (M9R-806 (N8))
  • 2.0 dCi 175 FAP Diesel (M9R-815 (R8))
  • 3.0 dCi 235 V6 FAP Diesel (V9X-891 (A8))
  • GT 2.0 dCi 180 FAP Diesel (M9R-816 (L8))
  • GT 2.0 dCi 180 FAP Diesel (M9R-820 (U8))
Check the catalytic converter 0h30
Remove/refit the left catalytic converter 1h30
Remove/refit the catalytic converter 1h30–5h00
Renew the catalytic converter 1h30–5h00
Prepare the catalytic converter heat shield for installation 0h30–0h45
Prepare the catalytic converter heat shield for installation* 0h45
Check the diesel particulate filter 0h30
Remove/refit the diesel particulate filter 1h30–4h00
Renew the diesel particulate filter 1h30–4h00
Remove/refit the diesel particulate filter/catalytic converter assembly 3h00
Renew the diesel particulate filter/catalytic converter assembly 3h00
Remove/refit the catalytic converter Automatic transmission 5h00
Remove/refit the catalytic converter Manual transmission 5h00
Renew the catalytic converter Manual transmission 5h00
Renew the catalytic converter Automatic transmission 5h00

What is a Renault Laguna 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 Renault Laguna 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 Renault Laguna 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 Renault Laguna 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 Renault Laguna 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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3 models covered

Model Year Range Engines covered Fuel
Laguna I 1994-2001 1994-2001 1.6 16V, -LPG LPG,Petrol (K4M-720 (F7)), 1.8 16V, -LPG LPG,Petrol (F4P-760 (A7)), 1.8 LPG LPG,Petrol (F3P-670), 1.8 Petrol (F3P-674 (B6)), 1.8 Petrol (F3P-678), 1.8 Petrol (F3P-724), 1.8, -LPG LPG,Petrol (F3P-720 (B6)), 2.0 16V Petrol (N7Q-700), 2.0 16V Petrol (N7Q-704 (D7)), 2.… Diesel, LPG, Petrol
Laguna II 2001-2008 2001-2008 1.6 16V 110 Petrol (K4M-711 (E7)), 1.6 16V 110, -LPG LPG,Petrol (K4M-710 (D7)), 1.6 16V 110, -LPG LPG,Petrol (K4M-714 (D7)), 1.6 16V 110, -LPG LPG,Petrol (K4M-716 (57)), 1.8 16V 115, -LPG LPG,Petrol (F4P-771 (D7)), 1.8 16V 115, -LPG LPG,Petrol (F4P-775 (D7)), 1.8 16V 120, -LPG L… Diesel, LPG, Petrol
Laguna III 2007-2015 2007-2015 1.5 dCi 110 FAP Diesel (K9K-780 (37)), 1.5 dCi 110 FAP Diesel (K9K-782 (57)), 1.5 dCi 110 FAP Diesel (K9K-846 (R8/T8)), 1.6 16V 110, -LPG LPG,Petrol (K4M-824 (F8)), 2.0 16V 140, -LPG Bioethanol (E85),LPG,Petrol (M4R-726 (D7)), 2.0 16V 140, -LPG LPG,Petrol (M4R-704 (C7)), 2.0 16V… Bioethanol (E85), Diesel, LPG, Petrol

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