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Change Car Turbo

Very technical 7h00–14h00 ~700–1400£
Estimated time 7h00–14h00
Estimated labour cost ~700–1400£
Difficulty Very technical
Vehicles
TT 1998-2006 12
  • 1.8 20V Turbo Petrol (AJQ)
  • 1.8 20V Turbo Petrol (APP)
  • 1.8 20V Turbo Petrol (APX)
  • 1.8 20V Turbo Petrol (ARY)
  • 1.8 20V Turbo Petrol (AUM)
  • 1.8 20V Turbo Petrol (AUQ)
  • 1.8 20V Turbo Petrol (BAM)
  • 1.8 20V Turbo Petrol (BEA)
  • 1.8 20V Turbo Petrol (BFV)
  • 1.8 20V Turbo Petrol (BVP)
  • 1.8 20V Turbo Petrol (BVR)
  • 3.2 V6 Petrol (BHE)
TT 2006-2014 14
  • 1.8 TFSI Petrol (CDAA)
  • 2.0 TDI Diesel (CBBB)
  • 2.0 TDI Diesel (CFGB)
  • 2.0 TFSI Petrol (BPY)
  • 2.0 TFSI Petrol (BWA)
  • 2.0 TFSI Petrol (CCTA)
  • 2.0 TFSI Petrol (CCZA)
  • 2.0 TFSI Petrol (CDLA)
  • 2.0 TFSI Petrol (CDLB)
  • 2.0 TFSI Petrol (CDMA)
  • 2.0 TFSI Petrol (CESA)
  • 2.0 TFSI Petrol (CETA)
  • RS (2.5 TFSI) Petrol (CEPA)
  • RS (2.5 TFSI) Petrol (CEPB)
TT 2015-2023 14
  • 1.8 TFSI Petrol (CJSA)
  • 1.8 TFSI Petrol (CJSB)
  • 2.0 TDI Diesel (CUNA)
  • 2.0 TFSI Petrol (CHHC)
  • 40 TFSI Petrol (DKZB)
  • 40 TFSI Petrol (DNNB)
  • 45 TFSI Petrol (DKTB)
  • 45 TFSI Petrol (DNPA)
  • RS (2.5 TFSI) Petrol (DAZA)
  • RS (2.5 TFSI) Petrol (DNWA)
  • S (2.0 TFSI) Petrol (CJXF)
  • S (2.0 TFSI) Petrol (CJXG)
  • S (2.0 TFSI) Petrol (DNFD)
  • S (2.0 TFSI) Petrol (DNUF)
Renew the turbocharger 10h00
Renew the turbocharger Coupe 10h00

What is the role of the Audi TT 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 Audi TT 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 Audi TT 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 Audi TT 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 Audi TT 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
TT 1998-2006 1998-2006 1.8 20V Turbo Petrol (AJQ), 1.8 20V Turbo Petrol (APP), 1.8 20V Turbo Petrol (APX), 1.8 20V Turbo Petrol (ARY), 1.8 20V Turbo Petrol (AUM), 1.8 20V Turbo Petrol (AUQ), 1.8 20V Turbo Petrol (BAM), 1.8 20V Turbo Petrol (BEA), 1.8 20V Turbo Petrol (BFV), 1.8 20V Turbo Petrol (BVP),… Petrol
TT 2006-2014 2006-2014 1.8 TFSI Petrol (CDAA), 2.0 TDI Diesel (CBBB), 2.0 TDI Diesel (CFGB), 2.0 TFSI Petrol (BPY), 2.0 TFSI Petrol (BWA), 2.0 TFSI Petrol (CCTA), 2.0 TFSI Petrol (CCZA), 2.0 TFSI Petrol (CDLA), 2.0 TFSI Petrol (CDLB), 2.0 TFSI Petrol (CDMA), 2.0 TFSI Petrol (CESA), 2.0 TFSI Petrol (CE… Diesel, Petrol
TT 2015-2023 2015-2023 1.8 TFSI Petrol (CJSA), 1.8 TFSI Petrol (CJSB), 2.0 TDI Diesel (CUNA), 2.0 TFSI Petrol (CHHC), 40 TFSI Petrol (DKZB), 40 TFSI Petrol (DNNB), 45 TFSI Petrol (DKTB), 45 TFSI Petrol (DNPA), RS (2.5 TFSI) Petrol (DAZA), RS (2.5 TFSI) Petrol (DNWA), S (2.0 TFSI) Petrol (CJXF), S (2.0… Diesel, Petrol