The 1.8-liter Ford EYDC or 1.8 Zetec E engine was produced by the company from 1998 to 2004 and was installed on the first generation of the popular Focus model in all its different bodies. A similar power unit was installed on the Mondeo, but under different indices, such as RKF and RKH.
1.8 L Zetec family: RDA, RDB, RKA, RQC, RKB, RKC, RKF, RKH, EYDB, EYDC.
Specifications
| Production years | 1998-2004 |
| Displacement, cc | 1796 |
| Fuel system | distributed injection |
| Power output, hp | 115 |
| Torque output, Nm | 160 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 80.6 |
| Piston stroke, mm | 88 |
| Compression ratio | 10.0 |
| Features | no |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.3 |
| Fuel type | petrol |
| Euro standards | EURO 2 |
| Fuel consumption, L/100 km (for Ford Focus 2000) — city — highway — combined |
10.3 6.0 7.6 |
| Engine lifespan, km | ~350 000 |
| Weight, kg | 140 |
The engine was installed on:
- Ford Focus Mk1 in 1998 – 2004.
Disadvantages of the EYDC engine
- On the old firmware, the motor power drops sharply when the air conditioner is turned on;
- The timing belt and its bypass roller have a low resource, and when the valve breaks, it bends;
- In case of traction failures, it is worth starting the search for causes with a gasoline pump and its two filters;
- Take care of the aluminum engine pan, it hangs low and does not hold a blow at all;
- There are no hydraulic compensators, you will have to adjust the thermal clearances of the valves yourself.
Frequently asked questions about the Ford EYDC
How much power does the Ford EYDC make?
The Ford EYDC develops 115 hp and 160 Nm of torque.
How much oil does the Ford EYDC take and which one?
Engine oil capacity: 4.3 liters. Recommended oil: 5W-30.
Does the Ford EYDC have a timing belt or chain?
The Ford EYDC uses a timing belt.
Is the Ford EYDC turbocharged?
No, the Ford EYDC is naturally aspirated.
Does the Ford EYDC 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 EYDC last?
The typical lifespan of the Ford EYDC is ~350 000 km with proper maintenance.
What is the fuel consumption of the Ford EYDC?
Ford Focus 2000: city 10.3, highway 6.0, combined 7.6 L/100 km.
What cars was the Ford EYDC installed on?
Ford Focus Mk1 in 1998 - 2004.
What are the common problems of the Ford EYDC?
On the old firmware, the motor power drops sharply when the air conditioner is turned on. The timing belt and its bypass roller have a low resource, and when the valve breaks, it bends. All known problems.
