Change Car Glow Plugs Hyundai i30
Change Car Glow Plugs
| Estimated time | 0h45–2h00 |
|---|---|
| Estimated labour cost | ~75–200£ |
| Difficulty | Intermediate |
| Vehicles |
i30 2007-2011 4
i30 2012-2018 4
i30 2016-2025 3
|
What is the role of Hyundai i30 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 Hyundai i30 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 Hyundai i30 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 Hyundai i30 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).
3 models covered
| Model | Year Range | Engines covered | Fuel |
|---|---|---|---|
| i30 2007-2011 | 2007-2011 | 1.4 16V, -LPG LPG,Petrol (G4FA), 1.6 16V Petrol (G4FC), 1.6 16V Petrol (G4FC), 1.6 16V Petrol (G4FC), 1.6 CRDi 16V Diesel (D4FB), 1.6 CRDi 16V Diesel (D4FB), 1.6 CRDi 16V Diesel (D4FB-P), 2.0 16V Petrol (G4GC), 2.0 CRDi 16V Diesel (D4EA) | Diesel, LPG, Petrol |
| i30 2012-2018 | 2012-2018 | 1.4 CRDi 16V Diesel (D4FC), 1.4 MPi 16V Petrol (G4FA), 1.4 MPi Petrol (G4LC), 1.6 CRDi 16V Diesel (D4FB), 1.6 CRDi 16V Diesel (D4FB), 1.6 CRDi 16V Diesel (D4FB), 1.6 GDi Petrol (G4FD), 1.6 MPi Petrol (G4FG), 1.6 T-GDi Petrol (G4FJ) | Diesel, Petrol |
| i30 2016-2025 | 2016-2025 | 1.0 T-GDi MHEV 48V (MHEV),Petrol (G3LF), 1.0 T-GDi Petrol (G3LC), 1.0 T-GDi Petrol (G3LE), 1.4 MPi Petrol (G4LC), 1.4 T-GDi Petrol (G4LD), 1.5 MPI Petrol (G4LG), 1.6 CRDi Diesel (D4FB), 1.6 CRDi Diesel (D4FE), 1.6 CRDi, -MHEV 48V (MHEV),Diesel (D4FE), N (2.0 T-GDi) Petrol (G4KH) | 48V (MHEV), Diesel, Petrol |
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