2.3 Sensors and actuators – Overview
Illustration also applies to 16 V 4000 Sx3 engines
a Version with easy-change
filter
b Version with automatic fil-
ter
1 B07 (lube oil temperature)
2 F25 (lube oil differential
pressure after filter), XY44
solenoid valve fan coupling
3 B05 (lube oil pressure)
4 B44 (turbocharger speed)
5 Injectors Y39.1 to Y39.6
(A bank)
6 Engine governor
7 B34 (fuel pressure after fil-
ter)
8 F46 (leak fuel level moni-
tor)
9 M8 Suction restrictor (HP
pump)
The injectors are located below the cylinder head covers. Injector replacement and necessary activities
(→ Page 77).
20 | General Information | MS150026/02E 2013-11
TIM-ID: 0000012926 - 003