Change Car Turbo Renault Scenic
Change Car Turbo
| Estimated time | 5h00–25h00 |
|---|---|
| Estimated labour cost | ~500–2500£ |
| Difficulty | Very technical |
| Vehicles |
Scenic II/Grand Scenic 2003-2010 18
Scenic III/Grand Scenic 2009-2016 20
Scenic IV/Grand Scenic 2016-2025 19
|
| Renew the turbocharger Without diesel particulate filter | 10h00 |
| Renew the turbocharger | 10h00 |
| Renew the turbocharger With diesel particulate filter | 12h00 |
| Renew the turbocharger Dual-clutch transmission | 25h00 |
| Renew the turbocharger Manual transmission | 24h00 |
What is the role of the Renault Scenic turbo?
The turbocharger increases engine power by compressing the intake air, allowing more air (and therefore more fuel) into the combustion chambers. It is driven by exhaust gases spinning a turbine at speeds up to 250,000 rpm. The compressed intake air passes through an intercooler to reduce its temperature before entering the engine.
What are the symptoms of a failing Renault Scenic turbo?
Common symptoms include: loss of engine power or boost, excessive exhaust smoke (blue/white for oil burning, black for over-fuelling), whining or whistling noise from the turbo area, engine warning light or turbo fault codes, oil leaks at the turbo housing, increased oil consumption.
What causes Renault Scenic turbo failure?
The main causes are: oil starvation (blocked or restricted oil feed lines, low oil level, poor oil quality), foreign object ingestion, excessive exhaust temperature, worn bearings due to high mileage, and contaminated oil. Always investigate and fix the root cause before fitting a replacement turbo.
Can a Renault Scenic turbo be reconditioned?
Yes, turbo reconditioning is a common and cost-effective alternative to buying new. A reputable service will disassemble, inspect, replace worn parts, rebalance, and test the unit. Expect to pay 30–60% of the new price.
Is it difficult to change a Renault Scenic turbo?
Difficulty level 5/5: very technical. The turbo is connected to both the intake and exhaust systems, requiring numerous disassembly steps. Approximately 5 hours on average for a professional mechanic. Key precautions after fitting: change the engine oil and filter, prime the turbo with oil before starting, allow the turbo to cool down after hard driving by idling for 30 seconds before switching off.
3 models covered
| Model | Year Range | Engines covered | Fuel |
|---|---|---|---|
| Scenic II/Grand Scenic 2003-2010 | 2003-2010 | 1.4 16V, -LPG LPG,Petrol (K4J-730 (D7)), 1.4 16V, -LPG LPG,Petrol (K4J-740 (D7)), 1.5 dCi 100 Diesel (K9K-728 (F7)), 1.5 dCi 100 Diesel (K9K-729 (H7)), 1.5 dCi 105 Diesel (K9K-732 (P7)), 1.5 dCi 105 FAP Diesel (K9K-734 (77)), 1.5 dCi 80 Diesel (K9K-722 (D7)), 1.5 dCi 85 Diesel (… | Bioethanol (E85), Diesel, LPG, Petrol |
| Scenic III/Grand Scenic 2009-2016 | 2009-2016 | 1.2 TCe 115 Petrol (H5F-400 (A4)), 1.2 TCe 135 Petrol (H5F-404 (B4)), 1.2 TCe 135 Petrol (H5F-408 (F4)), 1.4 16V TCe 130, -LPG LPG,Petrol (H4J-700 (A7)), 1.5 dCi 105 Diesel (K9K-832 (G8)), 1.5 dCi 110 Diesel (K9K-656), 1.5 dCi 110 FAP Diesel (K9K-636 (A6)), 1.5 dCi 110 FAP Diese… | Bioethanol (E85), Diesel, LPG, Petrol |
| Scenic IV/Grand Scenic 2016-2025 | 2016-2025 | 1.2 TCe 115, -LPG LPG,Petrol (H5F-408 (F4)), 1.2 TCe 135 Petrol (H5F-408 (F4)), 1.3 TCe 115 Petrol (H5H-450 (A4)), 1.3 TCe 115 Petrol (H5H-470 (B4)), 1.3 TCe 115 Petrol (H5H-490 (E4)), 1.3 TCe 140 Petrol (H5H-470 (B4)), 1.3 TCe 140 Petrol (H5H-490 (E4)), 1.3 TCe 140, -LPG LPG,Pe… | 48V (MHEV), Diesel, LPG, Petrol |