Diesel engine power system Mercedes G-Class (W463)

General information about the power supply system of diesel engines
When a diesel engine is running, outside air is sucked into its cylinders, which is compressed to a high pressure. In this case, the air temperature as a result of...

Fuel Injection System Checks
Note. Before proceeding with the procedure, read the precautions in Section General information and security measures . If signs of a malfunction in the functioning of...

Servicing Air Inlet Components
Models 463.323 (M612) Air cleaner and air filter Air cleaner installation details (M612) Filter element replacement (M612) 1. Remove the cylinder head cover trim panels....

Bleeding air from the low pressure circuit of the fuel path
On the example of the M612 engine Bleeding air from the low pressure circuit of the fuel path (on the example of the M612 engine) 1 — The union of a returnable fuel line...

Removal and installation of the preliminary fuel pump
Models 463.323 (M612) Details of installation of the preliminary fuel pump (M612) 1 - Vacuum line; 2 - Vacuum pump; 3 - Fuel supply line; 4 - Fuel return line; 13 -...

Removal and installation of the high pressure fuel pump (TNVD)
Models 463.323 (M612) Details of installation of injection pump (M612) 1 - Pressure line; 2 - injection pump; 3 - Threaded fitting; 4, 5 - Brackets; 6 - Fuel return...

Removal and installation of the fuel distributive highway and nozzles
Models 463.323 (M612) Highway Details of the installation of the fuel distribution line (M612) 1 - Pressure line support bracket; 19/1 - High pressure pump pressure...

Removal and installation of the pressure sensor in the fuel line
Models 463.323 (M612) Installation details of the pressure sensor in the fuel distribution line (M612) 21 - Highway B4 / 6 - Fuel pressure sensor 1. Remove the cylinder...

Removal and installation of the fuel pressure regulator valve
Details of installation of the pressure regulator valve on diesel models (М612/628) 1 - Fuel line (M612) /valve assembly (M628) 2 - Bolts (TORX) Y74 - Fuel pressure...

Removal and installation of valve assembly
For models 463.333 (M628) Attention! Self-locking fasteners must be replaced without fail! Valve installation details (M628) 1, 2, 3 - Pressure lines of the fuel path; 4...

Removal and installation of a fuel cooler
Details of installation of a cooler of fuel on models 463.323 (M612) 1 - Fuel supply hose; 2 - Fuel outlet hose; 3 - Coolant supply hose; 4 - Coolant outlet hose; 5 -...

Removal and installation of a low-temperature cooler
Models 463.323 (M612) Installation Details of the Low Temperature Cooler (463.323) 1 - Air intake; 2, 3 - Lines of the cooling path; 4 - Overflow hose; 5 - Auxiliary...

Removal and installation of the fuel injection control module
Models 463.323 (M612) Installation details of the CDI control module on models 463.323 (M612) (1 of 2) 1, 3 - Nuts; 2 - Screw; 4 - Support bracket; 5 - Connector; N3/9 -...