Disconnect the wire terminal from the negative terminal of the battery. Remove the fuel rail with injectors (see Removal the fuel rail and injectors) and, to prevent dirt and objects from getting into the intake channels of the cylinder head, plug the holes for the injectors in the pipeline with a rag. Remove the throttle assembly without disconnecting the coolant supply and outlet hoses from the heating unit pipes (see Removal the throttle assembly) and move the unit away from the intake manifold.
Using a Torx T-30 key, unscrew the screw that secures the upper EGR tube to the intake manifold body.
Using a 5 mm Allen key, unscrew the two screws securing the flange of the recirculation system tube to the flange of the intake manifold…
…and we remove the tube tip from the pipeline socket.
The connection is sealed with a rubber ring.
We remove the crankcase ventilation hose from the pipeline fitting.
We disconnect the tips of the vacuum tubes of the intake tract length variation system..
…from the pipeline fitting…
…and from the pneumatic chamber of the system's actuator.
Using pliers, squeeze the ends of the brake booster hose clamp and slide the clamp along the hose..
…and remove the hose from the pipeline fitting.
Disconnect the engine management system wiring harness connector from the intake air temperature sensor (see Removal the engine intake air temperature sensor).
Disconnect the fuel vapor supply pipe from the adsorber from the purge valve fitting (we do not disconnect the other tube and the connector of the engine management system wiring harness from the sensor)…
…we remove the purge valve from the rubber holder and move it to the side.
From underneath the vehicle, disconnect the engine management system wiring harness connector from the knock sensor connector (see Removal the knock sensor).
Using a 14 mm socket head, unscrew the two bolts that secure the lower bracket of the intake manifold to the cylinder block.
We unscrew the two bolts of the upper bracket mount to the intake manifold housing using a 12 mm head.
This operation is conveniently performed from above.
Using a screwdriver, pry the wire harness holder off the intake manifold bracket stud..
…and we take out the bracket.
Using a Torx T-30 key, unscrew the screw that secures the lower exhaust gas recirculation tube to the intake manifold body.
Using a 12 mm open-end wrench, unscrew one nut and three bolts securing the upper intake manifold to the cylinder head.
Having disconnected the power steering tube bracket from the generator upper mounting stud, unscrew the stud (see Removal the generator)…
…and we take it off.
Using a 12 mm socket, unscrew the generator bracket mounting nut and the nut that also secures the intake manifold.
We remove the generator bracket from the cylinder head studs.
Using a 12 mm socket, unscrew the four bolts of the lower intake manifold mount.
It is convenient to unscrew the left bolt of the lower pipeline mount from above..
…and the other three bolts are at the bottom.
Location of lower intake manifold mounting bolts (for clarity, shown on a removed engine).
When removing the intake manifold from the two studs of the cylinder head, the generator interferes. Therefore, we screw two nuts onto the right stud and lock them.
We turn out the pin..
…from the threaded hole in the cylinder head.
…and remove the intake manifold.
We remove the channel sealing ring from the pipeline flange groove.
Similarly, we remove the sealing rings of other pipeline channels.
We clean the mating surfaces of the intake manifold and cylinder head from carbon deposits and dirt. We install new sealing rings.
We install the intake manifold in the reverse order. We tighten the bolts and nuts of its fastening to the prescribed torque in the sequence shown in the photo.
Sequence of tightening the threaded elements of the intake manifold fastening.