The 2.0-liter Ford ALDA or 2.0 Duratec ST170 engine was produced from 2002 to 2004 and was installed only on a charged version of the popular Focus model under the ST170 index. This power unit was essentially an upgraded version of the Zetec-E motor.
Duratec ST/RS family:
2.0 L – ALDA, HMDA;
2.5 L – HUBA, HUWA, HYDA, HYDB, JZDA.
Specifications
| Production years | 2002-2004 |
| Displacement, cc | 1988 |
| Fuel system | distributed injection |
| Power output, hp | 173 |
| Torque output, Nm | 196 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 84.8 |
| Piston stroke, mm | 88 |
| Compression ratio | 10.2 |
| Features | no |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | VCT, intake |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.35 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Ford Focus ST170 2004) — city — highway — combined |
11.9 7.5 9.1 |
| Engine lifespan, km | ~275 000 |
| Weight, kg | 160 |
The engine was installed on:
- Ford Focus ST Mk1 in 2002 – 2004.
Disadvantages of the ALDA engine
- The main problems of the engine are associated with the use of low-quality gasoline;
- From bad fuel, candles, their coils and a gasoline pump quickly fail here;
- The timing belt is designed for 120,000 km, but sometimes it wears out twice as fast;
- Low-hanging aluminum pallet easily deforms against any obstacle;
- The lack of hydraulic lifters forces you to periodically adjust the valves.
Frequently asked questions about the Ford ALDA
How much power does the Ford ALDA make?
The Ford ALDA develops 173 hp and 196 Nm of torque.
How much oil does the Ford ALDA take and which one?
Engine oil capacity: 4.35 liters. Recommended oil: 5W-30.
Does the Ford ALDA have a timing belt or chain?
The Ford ALDA uses a timing belt.
Is the Ford ALDA turbocharged?
No, the Ford ALDA is naturally aspirated.
Does the Ford ALDA 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 ALDA last?
The typical lifespan of the Ford ALDA is ~275 000 km with proper maintenance.
What is the fuel consumption of the Ford ALDA?
Ford Focus ST170 2004: city 11.9, highway 7.5, combined 9.1 L/100 km.
What cars was the Ford ALDA installed on?
Ford Focus ST Mk1 in 2002 - 2004.
What are the common problems of the Ford ALDA?
The main problems of the engine are associated with the use of low-quality gasoline. From bad fuel, candles, their coils and a gasoline pump quickly fail here. All known problems.
