Diesel engine power system BMW 5 Series E34

Working principle of diesel engine
In a diesel engine, fresh air is sucked into the cylinders where it is highly compressed. Due to this, the temperature in the cylinders rises above the...

Checking glow plugs
Check condition: engine cold (ambient temperature), the battery is fully charged, battery voltage is at least 11.5 volts. Check the 80 amp strip fuse in the...

Self-diagnosis system and fault codes
Diesel engine power system control unit (DDE) has a self-diagnostic system that stores power system failures in the form of codes. The preheating system is not...

High pressure fuel pump device
1 high pressure fuel pump 2 Toothed pulley 3 Key 4 Washer 5 Nut M12 6 Stop solenoid valve 7 O-ring 8 Spring washer 9 Nut 10 Front mounting nut M8 (2 pieces) 11...

Glow plugs with burned out rods
Burnt out glow plug rods are often the result of malfunctioning injectors. These violations cannot be attributed to a defect in the glow plug. If such glow...

Removal of air from the power system
After emptying the fuel tank or after replacing parts of the power system, as a rule, bleeding from the power system is not required, since air is bled...

Removing and installing, checking the stop solenoid valve
The stop solenoid valve is located on the high pressure fuel pump above the fuel hose connections. As soon as the ignition key is set to the position "Job" The...

Removal and installation of spray nozzles
Defective injectors can cause severe knocking in the engine, the cause of which can be mistakenly attributed to the destruction of the bearings. With such...

Fuel filter heating device
To ensure the fluidity of diesel fuel at low temperatures, it is heated. This is done by an electric fuel filter heater. Thanks to this, thickening of the fuel...

Checking the start of delivery of the high pressure fuel pump
The test requires a dial gauge with the appropriate adapter to be screwed into the pump. The engine must be cold when checking (ambient temperature)....

Diagnostics of malfunctions of system of injection of fuel of the diesel engine
Before searching for the cause of a malfunction using the diagnostic table, the following conditions must be met: no driver errors when starting the engine,...