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Change Car Turbo

Very technical 5h00–18h00 ~500–1800£
Estimated time 5h00–18h00
Estimated labour cost ~500–1800£
Difficulty Very technical
Vehicles
Polo Mk5 2009-2020 20
  • 1.0 TSI Petrol (CHZB)
  • 1.0 TSI Petrol (CHZC)
  • 1.2 TDI Diesel (CFWA)
  • 1.2 TSI Petrol (CBZB)
  • 1.2 TSI Petrol (CBZC)
  • 1.2 TSI Petrol (CJZC)
  • 1.2 TSI Petrol (CJZD)
  • 1.4 TDI Diesel (CUSA)
  • 1.4 TDI Diesel (CUSB)
  • 1.4 TDI Diesel (CUTA)
  • 1.4 TSI ACT Petrol (CZEA)
  • 1.4 TSI GT Petrol (CPTA)
  • 1.6 TDI Diesel (CAYA)
  • 1.6 TDI Diesel (CAYB)
  • 1.6 TDI Diesel (CAYC)
  • 1.8 TFSI GTi Petrol (DAJA)
  • 1.8 TFSI GTi Petrol (DAJB)
  • 2.0 TFSI WRC Petrol (CDLJ)
  • GTi (1.4 TSI) Petrol (CAVE)
  • GTi (1.4 TSI) Petrol (CTHE)
Polo Mk6 2017-2025 20
  • 1.0 MPI Petrol (CHYC)
  • 1.0 MPI Petrol (DFNA)
  • 1.0 MPI Petrol (DFNB)
  • 1.0 MPI Petrol (DSGB)
  • 1.0 MPI Petrol (DSGD)
  • 1.0 TGI CNG,Petrol (DBYA)
  • 1.0 TSI Petrol (CHZJ)
  • 1.0 TSI Petrol (CHZL)
  • 1.0 TSI Petrol (DKJA)
  • 1.0 TSI Petrol (DKLA)
  • 1.0 TSI Petrol (DKRF)
  • 1.0 TSI Petrol (DLAA)
  • 1.0 TSI Petrol (DLAC)
  • 1.5 TSI Petrol (DADA)
  • 1.5 TSI Petrol (DPCA)
  • 1.6 TDI Diesel (DGTC)
  • 1.6 TDI Diesel (DGTD)
  • GTI (2.0 TFSI) Petrol (DKZC)
  • GTI (2.0 TFSI) Petrol (DNND)
  • GTi (2.0 TSI) Petrol (CZPC)
Polo MkIV 2002-2012 14
  • 1.4 TDI Diesel (AMF)
  • 1.4 TDI Diesel (BAY)
  • 1.4 TDI Diesel (BNM)
  • 1.4 TDI Diesel (BNV)
  • 1.4 TDI DPF Diesel (BMS)
  • 1.4 TDI DPF Diesel (BWB)
  • 1.9 SDi Diesel (ASY)
  • 1.9 TDI Diesel (ASZ)
  • 1.9 TDI Diesel (ATD)
  • 1.9 TDI Diesel (AXR)
  • 1.9 TDI Diesel (BLT)
  • 1.9 TDI DPF Diesel (BMT)
  • GTi (1.8 Turbo) Petrol (BBU)
  • GTi (1.8 Turbo) Petrol (BJX)
Renew the turbocharger Manual transmission 17h00
Renew the turbocharger Semi-automatic transmission 17h00

What is the role of the Volkswagen Polo 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 Volkswagen Polo 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 Volkswagen Polo 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 Volkswagen Polo 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 Volkswagen Polo 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.

5 models covered

Model Year Range Engines covered Fuel
Polo Mk5 2009-2020 2009-2020 1.0 MPI Petrol (CHYA), 1.0 MPI Petrol (CHYB), 1.0 TSI Petrol (CHZB), 1.0 TSI Petrol (CHZC), 1.2 12V Petrol (CGPA), 1.2 12V Petrol (CGPB), 1.2 TDI Diesel (CFWA), 1.2 TSI Petrol (CBZB), 1.2 TSI Petrol (CBZC), 1.2 TSI Petrol (CJZC), 1.2 TSI Petrol (CJZD), 1.4 LPG LPG,Petrol (CMAA),… Diesel, LPG, Petrol
Polo Mk6 2017-2025 2017-2025 1.0 MPI Petrol (CHYB), 1.0 MPI Petrol (CHYC), 1.0 MPI Petrol (DFNA), 1.0 MPI Petrol (DFNB), 1.0 MPI Petrol (DSGB), 1.0 MPI Petrol (DSGD), 1.0 TGI CNG,Petrol (DBYA), 1.0 TSI Petrol (CHZJ), 1.0 TSI Petrol (CHZL), 1.0 TSI Petrol (DKJA), 1.0 TSI Petrol (DKLA), 1.0 TSI Petrol (DKRA),… CNG, Diesel, Petrol
Polo MkII 1981-1994 1981-1994 1.0 Petrol (AAK), 1.0 Petrol (AAU), 1.0 Petrol (ACM), 1.0 Petrol (HZ), 1.3 (55/57 kW) Petrol (3F), 1.3 G40 Petrol (PY), 1.3 Petrol (AAV), 1.3 Petrol (MH), 1.4 D Diesel (1W) Diesel, Petrol
Polo MkIII 1994-2002 1994-2002 1.0 Petrol (AER), 1.0 Petrol (AEV), 1.0 Petrol (ALD), 1.0 Petrol (ALL), 1.0 Petrol (AUC), 1.3 Petrol (ADX), 1.4 (40/44 kW) Petrol (AEX), 1.4 (40/44 kW) Petrol (AKP), 1.4 (40/44 kW) Petrol (APQ), 1.4 16V Petrol (AFK), 1.4 16V Petrol (AHW), 1.4 16V Petrol (APE), 1.4 16V Petrol (AQ… Diesel, Petrol
Polo MkIV 2002-2012 2002-2012 1.2 12V Petrol (AZQ), 1.2 12V Petrol (BME), 1.2 12V Petrol (BZG), 1.2 6V Petrol (AWY), 1.2 6V Petrol (BBM), 1.2 6V Petrol (BMD), 1.4 16V FSi Petrol (AXU), 1.4 16V Petrol (AUA), 1.4 16V Petrol (AUB), 1.4 16V Petrol (BBY), 1.4 16V Petrol (BBZ), 1.4 16V Petrol (BKY), 1.4 16V Petrol… Diesel, Petrol