The 2.5-liter Ford JZDA or 2.5 Duratec RS and RS500 engine was produced from 2009 to 2010 and was installed on charged modifications of the second generation Focus under the RS and RS500 indices. This unit is a seriously upgraded version of the Volvo B5254T4 engine.
Duratec ST/RS family:
2.0 L – ALDA, HMDA;
2.5 L – HUBA, HUWA, HYDA, HYDB, JZDA.
Specifications
| Production years | 2009-2010 |
| Displacement, cc | 2522 |
| Fuel system | distributed injection |
| Power output, hp | 305 – 350 |
| Torque output, Nm | 440 – 460 |
| Cylinder block | aluminum R5 |
| Block head | aluminum 20v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 93.2 |
| Compression ratio | 8.5 |
| Features | intercooler |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | CVVT |
| Turbocharging | yes |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.9 |
| Fuel type | petrol |
| Euro standards | EURO 4/5 |
| Fuel consumption, L/100 km (for Ford Focus 2 RS 2010) — city — highway — combined |
14.0 6.9 9.4 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 175 |
The engine was installed on:
- Ford Focus RS Mk2 in 2009 – 2010;
- Ford Focus RS500 Mk2 in 2010.
Disadvantages of the JZDA engine
- There is not much information on the malfunctions of these rare motors on the Internet;
- Most often, engines of this series suffer from contamination of the crankcase ventilation;
- If the PCV valve diaphragm is not replaced in time, oil will pour onto the belt;
- They do not like these units and bad fuel, candles and coils wear out quickly;
- A number of owners complain that they changed the turbine twice in 100,000 km.
Frequently asked questions about the Ford JZDA
How much power does the Ford JZDA make?
The Ford JZDA develops 305 - 350 hp and 440 - 460 Nm of torque.
How much oil does the Ford JZDA take and which one?
Engine oil capacity: 5.9 liters. Recommended oil: 5W-30.
Does the Ford JZDA have a timing belt or chain?
The Ford JZDA uses a timing belt.
Is the Ford JZDA turbocharged?
Yes, the Ford JZDA is turbocharged.
Does the Ford JZDA 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 Ford JZDA last?
The typical lifespan of the Ford JZDA is ~300 000 km with proper maintenance.
What is the fuel consumption of the Ford JZDA?
Ford Focus 2 RS 2010: city 14.0, highway 6.9, combined 9.4 L/100 km.
What cars was the Ford JZDA installed on?
Ford Focus RS Mk2 in 2009 - 2010; Ford Focus RS500 Mk2 in 2010.
What are the common problems of the Ford JZDA?
There is not much information on the malfunctions of these rare motors on the Internet. Most often, engines of this series suffer from contamination of the crankcase ventilation. All known problems.
