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Change Car Turbo

Very technical 13h00–18h00 ~1300–1800£
Estimated time 13h00–18h00
Estimated labour cost ~1300–1800£
Difficulty Very technical
Vehicles
Koleos I 2008-2017 5
  • 2.0 dCi 150 Diesel (M9R-832 (G8))
  • 2.0 dCi 150 Diesel (M9R-833 (D8))
  • 2.0 dCi 150 FAP Diesel (M9R-856)
  • 2.0 dCi 170 Diesel (M9R-830 (C8))
  • 2.0 dCi 175 Diesel (M9R-835)
Koleos II 2016-2025 5
  • 1.6 dCi 130 Diesel (R9M-409 (E4))
  • 1.7 dCi 150 Diesel (R9N-401 (A4))
  • 2.0 dCi 175 Diesel (M9R-868 (A8))
  • 2.0 dCi 185 Diesel (M9R-716 (Z7))
  • 2.0 dCi 190 Diesel (M9R-730 (W7))
Renew the turbocharger FK8 13h00
Renew the turbocharger FK0 7h00

What is the role of the Renault Koleos 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 Koleos 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 Koleos 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 Koleos 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 Koleos 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.

2 models covered

Model Year Range Engines covered Fuel
Koleos I 2008-2017 2008-2017 2.0 dCi 150 Diesel (M9R-832 (G8)), 2.0 dCi 150 Diesel (M9R-833 (D8)), 2.0 dCi 150 FAP Diesel (M9R-856), 2.0 dCi 170 Diesel (M9R-830 (C8)), 2.0 dCi 175 Diesel (M9R-835), 2.5 16V 170 Petrol (2TR-703 (A7)), 2.5 16V 170, -LPG LPG,Petrol (2TR-700 (B7)) Diesel, LPG, Petrol
Koleos II 2016-2025 2016-2025 1.3 TCe 160 Petrol (H5H-490 (E4)), 1.6 dCi 130 Diesel (R9M-409 (E4)), 1.7 dCi 150 Diesel (R9N-401 (A4)), 2.0 dCi 175 Diesel (M9R-868 (A8)), 2.0 dCi 185 Diesel (M9R-716 (Z7)), 2.0 dCi 190 Diesel (M9R-730 (W7)) Diesel, Petrol