The Volkswagen Jetta Engine Device and Specification

Volkswagen Jetta Engine
Volkswagen Jetta Engine

The engine of  Volkswagen Jetta Engine for the market is exclusively gasoline. Today, on domestic versions of the Volkswagen Jetta, you can meet 4 versions of motors of different capacities from 85 to 150 horsepower. The first two power units are atmospheric. Two more Jetta engines, these are turbocharged units, which makes them powerful and economical at the same time.

Volkswagen Jetta Engine atmospheric engines with a 1.6 liter working capacity of 85 and 105 hp. We wrote a detailed article. After all, they put a sedan on Polo. But about Jett turbo engines with a volume of 1.4 liters we will write in more detail.

The first version of the Jetta’s 1.4 engine delivers 122 hp the more powerful VW Jetta engine, with the same volume gives out 150 hp There is a reasonable question, why such a difference in power? The fact is that the engine with a horsepower of 122 horses has only one turbocharger, and a power unit of 150 hp. Has a dual-pressurized Twincharger. In other respects, Jett’s engines are structurally identical.

The powertrain device is as follows: a four-cylinder inline, 16-valve engine with a cast-iron block of cylinders and an aluminum cylinder head. There is direct fuel injection (directly into the combustion chamber) with a phase shifter on the intake shaft. There are hydraulic compensators that adjust the valve clearance automatically. Of the features can be noted liquid cooling system of charge air. The timing chain was fitted with a chain . This is, on the one hand, a big plus, but after a long period of operation, there are problems with the chain tensioner. And with the intensive and dynamic operation of the Volkswagen Jetta engine, the chain stretches, producing an unpleasant noise. The problem is solved by replacing the circuit. Further details of the engines Jetta 1.4 TSI .

Also Read : Engine of the Volkswagen Polo sedan 1st generation

The engine of the Volkswagen Jetta 1.4 TSI (122 hp) specifications, fuel consumption, dynamics

  • The working volume is 1390 cm3
  • Number of cylinders – 4
  • Number of valves – 16
  • The diameter of the cylinder is 75.6 mm
  • The stroke of the piston is 76.5 mm
  • Power hp / kW – 122/90 at 5000 rpm
  • The torque is 200 Nm at 1500-4000 rpm
  • The compression ratio is 10
  • Timing-Timing / Timing – DoHC / Chain
  • The brand of fuel – gasoline AI 95
  • Ecological class – the Euro-5
  • The maximum speed is 202 km / h
  • Acceleration to 100 km / h – 9.9 seconds
  • Fuel consumption in the city – 8.2 liters
  • Oil consumption in the mixed cycle – 6.2 liters
  • Fuel consumption on the highway – 5.1 liters

The fuel consumption data is higher, for a mechanical 6-speed manual transmission. According to the manufacturer, the consumption of the 7-step DSG robot is slightly less.

The engine of the Volkswagen Jetta 1.4 TSI (150 hp) specifications, fuel consumption, dynamics

  • The working volume is 1390 cm3
  • Number of cylinders – 4
  • Number of valves – 16
  • The diameter of the cylinder is 75.6 mm
  • The stroke of the piston is 76.5 mm
  • Power hp / kW – 150/110 at 5000 rpm
  • The torque is 240 Nm at 1500-4000 rpm
  • The compression ratio is 10
  • Timing-Timing / Timing – DoHC / Chain
  • The brand of fuel – gasoline AI 95
  • Ecological class – the Euro-5
  • The maximum speed is 215 km / h
  • Acceleration to 100 km / h – 8.6 seconds
  • Fuel consumption in the city – 8.1 liters
  • Oil consumption in the mixed cycle is 6.3 liters
  • Fuel consumption on the route – 5.2 liters

Today, the engine with a 1.4 liter turbo charger has a lot of modifications with its design features and different power levels. Representatives of this family of motors are widely used not only on Volkswagen models, but also on Shkoda, Seat and even Audi cars. The engines of this series (like all turbo engines) are very sensitive to fuel quality, keep this in mind.

 

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