The 1.6 liter Ford HWDA or 1.6 Duratec Sigma engine was assembled in Wales from 2003 to 2008 and fitted to the second generation Focus, C-MAX and Volvo as the B4164S3. This unit was distinguished from a similar engine under the SHDA index by a closed cooling jacket.
The engine was installed on:
- Ford C-Max Mk1 in 2003 – 2007;
- Ford Focus Mk2 in 2004 – 2008.
Specifications
| Manufacturer | Bridgend Engine |
| Production years | 2003-2008 |
| Displacement, cc | 1596 |
| Fuel system | injector |
| Power output, hp | 100 |
| Torque output, Nm | 150 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 79 |
| Piston stroke, mm | 81.4 |
| Compression ratio | 11 |
| Features | DOHC |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.1 |
| Fuel type | 95 |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Ford Focus 2005) — city — highway — combined |
8.7 5.5 6.7 |
| Engine lifespan, km | ~320 000 |
| Weight, kg | 92 |
Disadvantages of the HWDA engine
- Power units of the Duratec series are quite reliable, but do not tolerate bad fuel;
- From low-quality gasoline, candles last very long, sometimes no more than 10,000 km;
- Exactly for the same reason, an expensive gasoline pump often fails here;
- In European modifications of Duratec engines with a broken timing belt, the valve bends;
- There are no hydraulic lifters here and every 100,000 km the valve will have to be adjusted.
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