Engine Audi CDUC

The 3.0-liter Audi CDUC 3.0 TDI diesel engine was assembled by the company from 2010 to 2015 and installed on such popular models of the German concern as the A4 B8, A6 C7 or A7 C7.

The EA897 series also includes: CJMA, CDUC, CDUD, CRCA, CRTC, CVMD, DCPC.


Production years 2010-2015
Displacement, cc 2967
Fuel system Common Rail
Power output, hp 245
Torque output, Nm 500
Cylinder block cast iron V6
Block head aluminum 24v
Cylinder bore, mm 83
Piston stroke, mm 91.4
Compression ratio 16.8
Features 2 x DOHC
Hydraulic lifters yes
Timing drive two chains
Phase regulator no
Turbocharging HTT GT2260
Recommended engine oil 5W-30
Engine oil capacity, liter 8.0
Fuel type diesel
Euro standards EURO 5
Fuel consumption, L/100 km (for Audi A4 Quattro 2012)
— city
— highway
— combined
Engine lifespan, km ~320 000
Weight, kg 195

The engine was installed on:

  • Audi A4 B8 (8K) in 2011 – 2015;
  • Audi A5 1 (8T) in 2011 – 2015;
  • Audi A6 C7 (4G) in 2010 – 2014;
  • Audi A7 C7 (4G) in 2010 – 2014.

Disadvantages of the Audi CDUC engine

  • The sophisticated CR Bosch system with piezo injectors does not tolerate bad fuel;
  • Next in popularity are frequent problems with the particulate filter and the EGR valve;
  • There are suspiciously many complaints about oil or coolant leaks on specialized forums;
  • Sometimes there is a breakdown of the electronic drive of the turbine bypass valve;
  • By runs of 200 – 250 thousand km, they often stretch out and require replacement of the timing chain.

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