The T18SED was superseded in 2006 by the 1.8-liter Chevrolet F18D3 or LDA engine. This motor is basically a replica of the Opel Z18XE and is unrelated to the F14D3 and F16D3. Only Lacetti models of this power plant are available on the market.
It is identical to the T18SED in terms of dynamics and fuel consumption. The timing drive, rollers, belt, oil filter, pump, and engine received a single ignition module, among other parts and components.
The engines F14D3, F14D4, F15S3, F16D3, F16D4, and F18D4 are also part of the F series.
The engine was installed on:
- Chevrolet Lacetti J200 in 2007 – 2014.
Specifications
| Start of production | 2006 |
| Displacement, cc | 1796 |
| Fuel system | distributed injection |
| Power output, hp | 121 |
| Torque output, Nm | 169 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 80.5 |
| Piston stroke, mm | 88.2 |
| Compression ratio | 10.5 |
| Features | VGIS |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.0 |
| Fuel type | petrol |
| Euro standards | EURO 3/4 |
| Fuel consumption, L/100 km (for Chevrolet Lacetti 2009) — city — highway — combined |
9.9 5.9 7.4 |
| Engine lifespan, km | ~330 000 |
Disadvantages of the F18D3 engine
This motor’s electrical weakness is the ECU, which is particularly prone to malfunctions;
Failures in the ignition module, which is also highly costly, come in second;
the most frequent reason for malfunctions that violate the operating temperature regime;
The timing belt should be changed more frequently than the stated 90,000 kilometers; otherwise, it will bend when the valve breaks. Cleaning the throttle will eliminate floating engine speed.