The 3.0-liter Audi CDUD 3.0 TDI engine was assembled by the German concern from 2010 to 2014 and installed on a number of popular company models, such as the A6 C7, A7 C7 and the Q5 crossover.
EA897 family: CJMA, CDUC, CDUD, CRCA, CRTC, CVMD, DCPC, DDXC, DDXE, DHXA, DMKC, DPYC.
Specifications
| Production years | 2010-2014 |
| Displacement, cc | 2967 |
| Fuel system | Common Rail |
| Power output, hp | 245 |
| Torque output, Nm | 580 |
| 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 | chain |
| 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 A6 Quattro 2012) — city — highway — combined |
7.2 5.2 5.9 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 195 |
The engine was installed on:
- Audi A6 C7 (4G) in 2010 – 2014;
- Audi A7 C7 (4G) in 2010 – 2014;
- Audi Q5 1 (8R) in 2011 – 2014.
Disadvantages of the Audi CDUD engine
- The most frequent engine breakdowns are associated with the vagaries of the CR system with piezo injectors;
- In second place in terms of mass are problems with the particulate filter and the EGR valve;
- Regularly on the profile forum they complain about oil and coolant leaks;
- For runs over 250,000 km, they can already stretch out and require replacement of the timing chain;
- On diesel engines of the first years of production, sometimes there were defective intake manifolds.
Frequently asked questions about the Audi CDUD
How much power does the Audi CDUD make?
The Audi CDUD develops 245 hp and 580 Nm of torque.
How much oil does the Audi CDUD take and which one?
Engine oil capacity: 8.0 liters. Recommended oil: 5W-30.
Does the Audi CDUD have a timing belt or chain?
The Audi CDUD uses a timing chain.
Is the Audi CDUD turbocharged?
Yes, the Audi CDUD is turbocharged (HTT GT2260).
Does the Audi CDUD need valve clearance adjustment?
No, the Audi CDUD has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Audi CDUD last?
The typical lifespan of the Audi CDUD is ~300 000 km with proper maintenance.
What is the fuel consumption of the Audi CDUD?
Audi A6 Quattro 2012: city 7.2, highway 5.2, combined 5.9 L/100 km.
What cars was the Audi CDUD installed on?
Audi A6 C7 (4G) in 2010 - 2014; Audi A7 C7 (4G) in 2010 - 2014; Audi Q5 1 (8R) in 2011 - 2014.
What are the common problems of the Audi CDUD?
The most frequent engine breakdowns are associated with the vagaries of the CR system with piezo injectors. In second place in terms of mass are problems with the particulate filter and the EGR valve. All known problems.
