Diesel engine 12V 4000 G73, 16V 4000 G73. Manual - part 5

2.3 Sensors, actuators and injectors – Overview

Illustration also applicable to 16 V

a Version with easy-change

filter

b Version with automatic fil‐

ter

1 Injectors Y39.1 to Y39.n

(A-side)

2 B34 Fuel pressure after

filter

3 F46 Leak fuel level moni‐

toring

4 M8 Suction restrictor (HP

pump)

5 F25 Differential engine oil

pressure after filter

6 B05 Engine oil pressure

7 B07 Engine oil tempera‐

ture

8 XY44 Solenoid valve of

fan clutch

The injectors are underneath the cylinder head covers of the cylinder. Injector replacement and necessa‐

ry activities (→ Page 78).

1 B50 Crankcase pressure

2 B05 Engine oil pressure

3 B33 Fuel temperature in

Common Rail

4 B48 Fuel pressure in

Common Rail

5 B01 Camshaft speed

6 B43 Charge-air coolant

pressure

7 B26 Charge-air coolant

temperature

8 B06 Engine coolant tem‐

perature

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1 Injectors Y39.11 to Y39.n

(B-side)

2 B16 Engine coolant pres‐

sure

3 B10 Charge-air pressure

4 XM2 Oil priming pump

5 B09 Charge-air tempera‐

ture

6 Engine governor

The injectors are underneath the cylinder head covers of the cylinder. Injector replacement and necessa‐

ry activities (→ Page 78).

1 B13 Crankshaft speed

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