Contents: Removal ↡ Installation ↡
Removal
1. Disconnect the negative cable from the battery.
2. Remove the mixing chamber with the EGR valve.
3. Remove the decorative panel of the cylinder head cover 8 (see figure 5.67).
Figure 5.67. Injectors:
1. Filter,
2. Clamp,
3. Oil drain line,
4. Tension lever,
5. Seal,
6. Fuel line connection,
7. High pressure fuel line,
8. Decorative panel,
9. Wiring connector,
10. Bolt,
11. Cylinder head cover,
Y20-Y23. Injectors,
Y83. Fuel shut-off valve,
Y84. EGR system throttle vacuum converter.
4. Disconnect wiring connectors 9 from injectors Y20-Y23.
5. Disconnect the fuel lines 7.
6. Disconnect the oil drain line 3 by releasing the retainer 2. After removal, retainer 2 must be replaced.
(Article was obtained from the portal: MercedesMAN.ru)
7. Remove the Y84 throttle body vacuum converter from the bracket. Do not disconnect the vacuum tube or connections.
8. Remove the tensioner cam 4 injectors Y20-Y23.
9. Remove injectors Y20-Y23.
10. Wipe the injectors 1 and the holes for the injectors in the cylinder head. Wipe the injector seats with a clean, lint-free cloth.
Installation
11. Installation is carried out in the reverse order of removal. Replace seals 5 and bolts 10.