The 2.2-liter Mazda R2AA diesel engine was produced by the company from 2008 to 2013 and was installed on such popular models as the third and sixth series, as well as the CX-7 crossover. There was a version of this diesel engine with power reduced to 125 hp under the R2BF index.
MZR-CD family: RF5C, RF7J, R2AA.
Specifications
| Production years | 2008-2013 |
| Displacement, cc | 2184 |
| Fuel system | Common Rail |
| Power output, hp | 150 – 185 |
| Torque output, Nm | 360 – 400 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 86 |
| Piston stroke, mm | 94 |
| Compression ratio | 16.3 |
| Features | DOHC, balancers |
| Hydraulic lifters | no |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | IHI VJ42 |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.7 |
| Fuel type | diesel |
| Euro standards | EURO 4/5 |
| Fuel consumption, L/100 km (for Mazda 6 2010) — city — highway — combined |
6.9 4.5 5.4 |
| Engine lifespan, km | ~275 000 |
| Weight, kg | 202 |
The engine was installed on:
Disadvantages of the Mazda R2AA engine
- The most famous problem is the rise in oil level after burning a soot;
- Often there is a burnout of the sealing washers under the nozzles with a breakthrough of gases;
- The timing chain can stretch to a mileage of 100 thousand km, and when it jumps, the valve bends;
- Weaknesses also include the SCV valve in the high pressure fuel pump and the position sensor in the turbine;
- Once every 100,000 km, here you need to adjust the valves using special screws.
Frequently asked questions about the Mazda R2AA
How much power does the Mazda R2AA make?
The Mazda R2AA develops 150 - 185 hp and 360 - 400 Nm of torque.
How much oil does the Mazda R2AA take and which one?
Engine oil capacity: 4.7 liters. Recommended oil: 5W-30.
Does the Mazda R2AA have a timing belt or chain?
The Mazda R2AA uses a timing chain.
Is the Mazda R2AA turbocharged?
Yes, the Mazda R2AA is turbocharged (IHI VJ42).
Does the Mazda R2AA need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the Mazda R2AA last?
The typical lifespan of the Mazda R2AA is ~275 000 km with proper maintenance.
What is the fuel consumption of the Mazda R2AA?
Mazda 6 2010: city 6.9, highway 4.5, combined 5.4 L/100 km.
What cars was the Mazda R2AA installed on?
Mazda 3 BL in 2009 - 2013; Mazda 6 II (GH) in 2008 - 2012; Mazda CX-7 I (ER) in 2009 - 2012.
What are the common problems of the Mazda R2AA?
The most famous problem is the rise in oil level after burning a soot. Often there is a burnout of the sealing washers under the nozzles with a breakthrough of gases. All known problems.
