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.
EA897 family: CJMA, CDUC, CDUD, CRCA, CRTC, CVMD, DCPC, DDXC, DDXE, DHXA, DMKC, DPYC.
Specifications
| 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 |
6.8 5.1 5.7 |
| 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.
Frequently asked questions about the Audi CDUC
How much power does the Audi CDUC make?
The Audi CDUC develops 245 hp and 500 Nm of torque.
How much oil does the Audi CDUC take and which one?
Engine oil capacity: 8.0 liters. Recommended oil: 5W-30.
Does the Audi CDUC have a timing belt or chain?
Timing drive of the Audi CDUC: two chains.
Is the Audi CDUC turbocharged?
Yes, the Audi CDUC is turbocharged (HTT GT2260).
Does the Audi CDUC need valve clearance adjustment?
No, the Audi CDUC has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Audi CDUC last?
The typical lifespan of the Audi CDUC is ~320 000 km with proper maintenance.
What is the fuel consumption of the Audi CDUC?
Audi A4 Quattro 2012: city 6.8, highway 5.1, combined 5.7 L/100 km.
What cars was the Audi CDUC 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.
What are the common problems of the Audi CDUC?
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. All known problems.
