The 2.0-liter 16-valve Daewoo X20SED engine was produced by the concern from 1997 to 2008 and was installed on most of the concern’s models of its time, such as Leganza, Nubira and Lacetti. This power unit is essentially an upgraded version of the Opel X20XEV engine.
SE-series family: T18SED, X20SED, T22SED.
Specifications
| Production years | 1997-2008 |
| Displacement, cc | 1998 |
| Fuel system | distributed injection |
| Power output, hp | 121 – 133 |
| Torque output, Nm | 175 – 185 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 86 |
| Piston stroke, mm | 86 |
| Compression ratio | 9.6 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.25 |
| Fuel type | petrol |
| Euro standards | EURO 2 |
| Fuel consumption, L/100 km (for Daewoo Tacuma 2002) — city — highway — combined |
12.0 7.2 9.0 |
| Engine lifespan, km | ~350 000 |
| Weight, kg | 140 |
The engine was installed on:
- Daewoo Evanda V200 in 2000 – 2006;
- Daewoo Lacetti J200 in 2002 – 2007;
- Daewoo Leganza V100 in 1997 – 2008;
- Daewoo Magnus V200 in 2000 – 2006;
- Daewoo Nubira J150 in 1997 – 2003;
- Daewoo Tacuma U100 in 2000 – 2008;
- Chevrolet Evanda 1 (V200) in 2004 – 2006;
- Chevrolet Lacetti 1 (J200) in 2004 – 2008.
Disadvantages of the Daewoo X20SED engine
- The unit has a minimum of claims, its main problems are leaks and floating engine speeds;
- The reason for unstable idling is the contamination of the idle speed controller or crankcase ventilation;
- The exhaust manifold has low reliability, often it simply bursts;
- The weak point in the electrical part is the camshaft position sensor;
- The timing belt resource is about 60 thousand kilometers, and when it breaks, the valves always bend.
Frequently asked questions about the Daewoo X20SED
How much power does the Daewoo X20SED make?
The Daewoo X20SED develops 121 - 133 hp and 175 - 185 Nm of torque.
How much oil does the Daewoo X20SED take and which one?
Engine oil capacity: 4.25 liters. Recommended oil: 5W-30.
Does the Daewoo X20SED have a timing belt or chain?
The Daewoo X20SED uses a timing belt.
Is the Daewoo X20SED turbocharged?
No, the Daewoo X20SED is naturally aspirated.
Does the Daewoo X20SED need valve clearance adjustment?
No, the Daewoo X20SED has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Daewoo X20SED last?
The typical lifespan of the Daewoo X20SED is ~350 000 km with proper maintenance.
What is the fuel consumption of the Daewoo X20SED?
Daewoo Tacuma 2002: city 12.0, highway 7.2, combined 9.0 L/100 km.
What cars was the Daewoo X20SED installed on?
Daewoo Evanda V200 in 2000 - 2006; Daewoo Lacetti J200 in 2002 - 2007; Daewoo Leganza V100 in 1997 - 2008; Daewoo Magnus V200 in 2000 - 2006; Daewoo Nubira J150 in 1997 - 2003; Daewoo Tacuma U100 in 2000 - 2008 and 2 more (see the full list above).
What are the common problems of the Daewoo X20SED?
The unit has a minimum of claims, its main problems are leaks and floating engine speeds. The reason for unstable idling is the contamination of the idle speed controller or crankcase ventilation. All known problems.
