Repair of diesel engines Mercedes E-Class (W210)

Four-cylinder diesel engines
Fig. 4.1. Engine compartment of a 4-cylinder diesel engine of the CDI series: 1 – expansion tank of the cooling system; 2 – air intake of the intake system with air...

Five-cylinder diesel engines
Fig. 4.3. Engine compartment with 270 CDI diesel engine: 1 – electronic unit; 2 – air intake grille for interior ventilation; 3 – control valve body; 4 – cover of...

Six-cylinder diesel engines
Fig. 4.5. Engine compartment with diesel engine 300 D: 1 – cooled plastic box for electronic controllers and relay units; 2 – air intake grille for interior ventilation;...

Cranking the engine crankshaft
A number of engine jobs require that the pistons in the cylinders be aligned one after the other at the top dead center. There are several ways to turn the engine...

Hydraulic tappets — checking and adjustment
The hydraulic valve adjustment system ensures that the valves have a gap and that the closed valves fit tightly to the seat. The hydraulic tappets are located between...

Possible malfunctions of the hydraulic tappet, their causes and methods of elimination
Possible malfunctions of the hydraulic tappet, their causes and methods of elimination

Camshaft drive chain
Fig. 4.20. Operation diagram of the drive chain with one camshaft: 1 – camshaft gear; 2 – chain tensioner; 3 – fuel injection pump drive gear; 4 – chain tensioner; 5 –...

Checking the compression in the cylinders
Compression shows the condition of the engine. When the fuel-air mixture ignites, very high pressure occurs in the combustion chamber. This leads to high loads on the...

Checking the accessory drive belt
Fig. 4.24. Auxiliary drive belt tensioner: 1 – vibration damper; 2 – tensioner; 3 – spring; 4 – nut The auxiliary drive belt has several V-shaped grooves on the working...

Replacement of auxiliary drive belt
Sequence of works 1. Mark the direction of travel on the outside of the belt with a felt-tip pen. If you put the accessory drive belt on incorrectly, it will wear out...

Cylinder head gasket
The gasket between the block and the cylinder head serves to separate the combustion chambers and the coolant and oil channels from each other. Frequent damage to the...

Possible malfunctions of the cylinder head, their causes and methods of elimination
Possible malfunctions of the cylinder head, their causes and methods of elimination

Possible engine malfunctions, their causes and solutions
Possible engine malfunctions, their causes and solutions

Knocking in the engine
Knocking in a warm engine almost always indicates damage to the bearings. Most often, damage occurs on connecting rod bearings, less often on the support bearings of the...

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W210 (1996-2002)

W124 (1984-1995)