The Volkswagen DACA 1.5 TSI engine was introduced in 2016 and is part of the TSI family, which is characterized by high efficiency and environmental friendliness. This engine quickly found application on such popular models of the concern as Volkswagen Golf and Seat Leon. In the version with the BlueMotion index, the engine has been specially optimized for maximum fuel efficiency.
VW DACA 1.5 TSI engine specifications
| Characteristics | Value |
|---|---|
| Exact volume | 1498 cm³ |
| Power system | Direct injection |
| Engine power | 130 hp |
| Torque | 200 Nm |
| Cylinder block | Aluminum R4 |
| Cylinder head | Aluminum 16v |
| Cylinder diameter | 74.5 mm |
| Piston stroke | 85.9 mm |
| Compression ratio | 12.5 |
| Engine Features | DOHC, ACT (cylinder deactivation) |
| Hydrocompensators | Yes |
| Transmission timing | Belt |
| Fasor regulator | On both shafts |
| Turbocharger | Variable Geometry Turbocharging (VGT) |
| Engine Oil | 4.3 liters 0W-20 |
| Environmental class | Euro 6 |
| Example service life | 250,000 km |
Models on which the DACA 1.5 TSI engine is fitted
- Seat Leon 3 (5F) – 2018-2020
- Seat Leon 4 (KL) – 2020-present
- Volkswagen Golf 7 (5G) – 2017-2020
- Volkswagen Golf 8 (CD) – 2020-present
- Volkswagen Golf Sportsvan 1 (AM) – 2017-2020
Benefits and features of the DACA 1.5 TSI engine
1. Economy and Technology
The Volkswagen DACA 1.5 TSI engine is known for its high fuel efficiency due to the use of modern technology. One of the key features of this engine is the ACT (Active Cylinder Technology) system, which deactivates two cylinders at low loads. This reduces fuel consumption in the city cycle and on the highway when full engine power is not required.
2. Variable Geometry Turbocharger (VGT)
This engine was one of the first mass-market gasoline units to feature variable geometry turbocharging. VGT provides better output at different RPMs, which improves performance and reduces turbo lag.
3. High compression ratio
The motor has a high compression ratio of 12.5, which has a positive effect on combustion efficiency, but requires the use of high-octane gasoline to prevent detonation.
Disadvantages, breakdowns and problems of the DACA engine
Despite modern technology, the DACA 1.5 TSI engine has a few known weaknesses:
- Demanding fuel quality The high compression ratio implies the use of high quality gasoline. In countries with poor fuel quality, problems with detonation and reduced performance can occur, which also increases the risk of engine failure.
- Variable geometry turbocharging First used on gasoline engines, variable geometry turbocharging can theoretically be less reliable at higher mileages. This adds to the risk of breakdowns, especially in low fuel quality conditions.
- Problems at low speeds On foreign forums, owners note the engine’s twitchy operation at low speeds, which is due to the peculiarities of the turbine and injection settings.
- Belt drive timing Despite the fact that the belt drive timing usually requires less maintenance than the chain drive, its replacement on this engine is regulated and requires attention every 90,000-120,000 km.
Reliability and maintainability
Reliability
The DACA 1.5 TSI engine, like most modern turbocharged units, requires regular maintenance and the use of quality consumables. If all the manufacturer’s recommendations are followed, it is able to work up to 250,000 km without serious problems. However, like any high-tech engine, it is sensitive to the quality of fuel and oil.
Repairability
The DACA 1.5 TSI engine is characterized by relatively high maintainability due to its modular design and the availability of spare parts on the market. However, the high level of technology, including the complex variable geometry turbine, can complicate repairs in the event of serious breakdowns. Regular maintenance and timely timing belt replacement can help avoid costly repairs.
The Volkswagen DACA 1.5 TSI is a modern turbocharged engine that combines high performance and economy. Technologies like cylinder deactivation (ACT) and variable geometry turbocharging make it efficient, but it also requires quality fuel and regular maintenance. This motor is a great choice for those looking for a balance between power and economy in compact and mid-size cars.