Removing
1. Remove the decorative engine cover.
2. Remove the soundproofing cover.
3. Loosen the clamps (1) And (2), then disconnect the air hose shown in the figure below.
4. Unscrew the fastening screws (arrows), shown in the figure below.
5. Loosen the air duct clamp (2), connected to the air damper, as shown in the figure below, Disconnect the air duct connection and leave it in this position.
6. Disconnect the wiring harness connector from the glow plugs.
7. Disconnect from the mounting bracket and set aside the differential pressure valve (arrow left), as shown in the figure below.
8. Disconnect the fuel return line from the intake manifold, lay the hose aside.
9. Disconnect the wiring harness connector (3) from the stepper motor on the intake manifold as shown in the figure below.
10. Remove the fuel rail assembly (for details, see the relevant section in chapter Engine power and control system).
11. Disconnect the wiring harness connector (2) from air damper module (throttle), as shown in the figure below.
12. Unscrew the fastening screw (3) dipstick guide as shown in the figure below.
13. Release the fastening clamp (1) and disconnect the fitting shown in the figure below.
14. Unscrew the fastening bolts (arrows) intake manifold in a criss-cross sequence, starting with the outer bolts and moving towards the inner bolts, as shown in the figure below. To unscrew the fastening bolts, you will need a T30 ratchet wrench, with a special head (Т10405).
15. Carefully remove the intake manifold from the cylinder head.
Installation
1. Installation is made in reverse order to removal.
Replace all gaskets.
Tighten the intake manifold-to-cylinder head bolts gradually, in several passes, in a criss-cross sequence.
Install the fuel rail assembly.