Carry out the following preparatory operations:
- turn off the ignition;
- remove the decorative cover;
- remove the lower casing covering the engine;
- remove the left and right casing of the ignition coils;
- remove the middle panel of the compartment of auxiliary mechanisms of the engine;
- unlock and disconnect the AL from:
- throttle valve;
- from left and right knock sensors;
- from the oil pressure sensor;
- from the temperature sensor on the thermostat;
- from the coolant temperature sensor;
- from the left and right exhaust side solenoid valves;
- from the left and right intake side solenoid valves;
- from the fuel tank ventilation valve;
- from the generator;
- from the left and right branches of the distribution line;
- from the left and right engines of the Valvetrnic system;
- from the left and right position sensors of the exhaust camshafts of the VANOS system;
- from the left and right position sensors of the intake camshafts of the VANOS system;
- from the left and right sensors of the eccentric shaft;
- from the differential pressure sensor.
- remove the wiring harness from the guides;
- unscrew the threaded fastening of the engine wiring harness to the intake manifold on the left and right sides.
The DISA control unit is located on the rear wall of the intake manifold (pic. 5.172). Unlock loop (1) and disconnect from the executive node of the DISA system. Remove bolts (3 pcs., arrows) knot attachment. Pull out the actuator (2) DISA systems from the intake manifold.
When installing, it is necessary to replace the mounting bolts and set (to turn) actuator drive shaft (2) to the starting position.