3 years ago

279 - 2.0 110 kW Engine with Gasolina Direct Injection - Volkspage

279 - 2.0 110 kW Engine with Gasolina Direct Injection - Volkspage


Engine Camshaft timing control Continuous map-controlled hydraulic camshaft adjustment by up to 42° crank angle is achieved by way of a rotary motor. The stator adjustment is transmitted by way of the chain to the inlet camshaft, thus varying the inlet valve timing. The toothed belt drives the exhaust camshaft. The rotor of the motor is attached to the other end of the exhaust camshaft. The stator is connected directly to the chain sprocket and drives the inlet camshaft via the chain. The Hall sender wheel and high-pressure pump drive are attached to the front and rear end of the inlet camshaft respectively. For details of camshaft timing control, refer to SSP 255 10

Camshaft positioning The inlet and exhaust camshafts must be turned such that the recesses are vertically opposed. In this camshaft position the drive chain can be fitted without having to determine the number of rollers. This is also the only position in which the cylinder head bolts can be inserted and removed. 279_060 The tightening torque for the cylinder head bolts is given in the latest Workshop Manual in ELSA (electronic service information system). Camshaft rotary motor 42° /2 279_021 Double cam 279_061 11

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