Change Car Glow Plugs Renault Trafic

Change Car Glow Plugs

Intermediate 0h30–2h00 ~50–200£
Estimated time 0h30–2h00
Estimated labour cost ~50–200£
Difficulty Intermediate
Vehicles
Trafic II 2001-2015 17
  • 1.9 dCi 100 Diesel (F9Q-760 (U7))
  • 1.9 dCi 80 Diesel (F9Q-762 (U7))
  • 2.0 dCi 115 (B30) Diesel (M9R-780 (E7))
  • 2.0 dCi 115 Diesel (M9R-692 (F6))
  • 2.0 dCi 115 Diesel (M9R-782 (M7))
  • 2.0 dCi 115 Diesel (M9R-786 (L7))
  • 2.0 dCi 115 Diesel (M9R-788)
  • 2.0 dCi 115 FAP Diesel (M9R-630 (A6))
  • 2.0 dCi 90 Diesel (M9R-692 (F6))
  • 2.0 dCi 90 Diesel (M9R-780 (E7))
  • 2.0 dCi 90 Diesel (M9R-782 (M7))
  • 2.0 dCi 90 Diesel (M9R-784)
  • 2.0 dCi 90 Diesel (M9R-786 (L7))
  • 2.0 dCi 90 FAP Diesel (M9R-630 (A6))
  • 2.5 dCi 115 FAP Diesel (G9U-630 (B6))
  • 2.5 dCi 140 Diesel (G9U-730 (B7))
  • 2.5 dCi 145 FAP Diesel (G9U-630 (B6))
Trafic III 2014-2025 15
  • 1.6 dCi 115 Diesel (R9M-408 (A4))
  • 1.6 dCi 120 Diesel (R9M-413 (H4))
  • 1.6 dCi 120 TwinTurbo Diesel (R9M-450 (D4))
  • 1.6 dCi 125 TwinTurbo Diesel (R9M-452 (D4))
  • 1.6 dCi 140 TwinTurbo Diesel (R9M-450 (D4))
  • 1.6 dCi 145 TwinTurbo Diesel (R9M-452 (D4))
  • 1.6 dCi 90 Diesel (R9M-408 (A4))
  • 1.6 dCi 90 Diesel (R9M-413 (H4))
  • 2.0 dCi 110 Diesel (M9R-717 (Z7))
  • 2.0 dCi 130 Diesel (M9R-714 (Z7))
  • 2.0 dCi 130 Diesel (M9R-717 (Z7))
  • 2.0 dCi 150 Diesel (M9R-714 (Z7))
  • 2.0 dCi 150 Diesel (M9R-717 (Z7))
  • 2.0 dCi 170 Diesel (M9R-710 (V7))
  • 2.0 dCi 170 Diesel (M9R-717 (Z7))

What is the role of Renault Trafic 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 Renault Trafic 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 Renault Trafic 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 Renault Trafic 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).

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2 models covered

Model Year Range Engines covered Fuel
Trafic II 2001-2015 2001-2015 1.9 dCi 100 Diesel (F9Q-760 (U7)), 1.9 dCi 80 Diesel (F9Q-762 (U7)), 2.0 16V 120 Petrol (F4R-720 (L7)), 2.0 16V 120 Petrol (F4R-820 (H8)), 2.0 dCi 115 (B30) Diesel (M9R-780 (E7)), 2.0 dCi 115 Diesel (M9R-692 (F6)), 2.0 dCi 115 Diesel (M9R-782 (M7)), 2.0 dCi 115 Diesel (M9R-786 (… Diesel, Petrol
Trafic III 2014-2025 2014-2025 1.6 dCi 115 Diesel (R9M-408 (A4)), 1.6 dCi 120 Diesel (R9M-413 (H4)), 1.6 dCi 120 TwinTurbo Diesel (R9M-450 (D4)), 1.6 dCi 125 TwinTurbo Diesel (R9M-452 (D4)), 1.6 dCi 140 TwinTurbo Diesel (R9M-450 (D4)), 1.6 dCi 145 TwinTurbo Diesel (R9M-452 (D4)), 1.6 dCi 90 Diesel (R9M-408 (A… Diesel

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