REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mercedes-Benz C-Class (from 1993 to 2000, the year of issue)

general info. full specifications. diagnostics. hints. tips. tricks

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Mercedes-Benz
	C-class
		Introduction
		Maintenance
		Engines
			The petrol engine (DB)
			Diesel engine (DD)
				Introduction
				Engine
					Withdrawal
					Setting
					Ventilation Engine
					Functioning
				Cars with air conditioning
				The bottom cover of the engine compartment
				Covers cast holes
				Chain tensioner
				Camshaft
				Cylinder Head
				Valve stem seals
				Cylinder head cover (2,2 / 2,5)
				Hydraulic bucket tappets
				Valves
				Valve guide
				Valve seats in the cylinder head
				The cylinder head and engine block
				Compression
				V-ribbed belt
				Tensioned V-ribbed belt device
				Fault diagnosis (DD)
		Lubrication system
		Cooling
		Heating and ventilation
		Ignition system
		Fuel system
		Chassis
		Steering
		Brakes
		Body
		Electrical

printable version

Functioning

126. The oil separator
127. recirculation pipes
140. Distribution pipe
141. The pressure control valve

a. Vent 3 mm
A purge gases
B. Fresh air

The hot gases rush through the oil separator (126) in the cylinder head cover and the through line (140) into the suction pipes. In the oil separator (126) and filtered oil flows through a recirculation pipe (127) back to the cylinder head.

Pressure regulating valve in the cylinder head cover prevents the engine is too high dilution.

For ventilation of the space in the valve diaphragm pressure control in the cylinder head cover is provided a vent (arrow). It must not be obscured by dirt or preservatives.

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Cars with air conditioning