REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mercedes-Benz E-Class W123 (from 1976 to 1985, the year of issue)

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

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Mercedes-Benz
	W123
		Introduction
		Gasoline engines
			Design and specifications
			Engine adjustment
			Ignition system
			Power system
			The fuel injection system K-Jetronic
			The fuel injection system L-Jetronic
			Works by car
			Work on the engine M 102
			Work on the engine M 110 and M 123
				Removing the engine M 110 and M 123
				Removing the cylinder head
				Removing the camshaft
				Dismantling of a head of cylinders
				Replacing the chain camshaft
				Removing the intermediate shaft and sprocket
				Removing the flywheel (a leading disk)
				Replacement of a forward epiploon of a cranked shaft
				Removal of the oil pump
				Removing the rods and pistons
				Removing the crankshaft and main bearings
				Changing the oil filter
				Replacing the engine mount
				Description Service and crankcase ventilation system
				General information on inspection and recovery engine
				Build Engine
				Assembling the cylinder head
				Installing the cylinder head
				Installing the cylinder head
				Cooling system
					Drain the cooling system
					Flushing the Cooling System
					Fill the cooling system
					Removal, inspection, cleaning, and installing radiator
					Removal, check and thermostat installation
					Removal and installation of the water pump
					Repair of the water pump
					Check, replacement and adjustment of a belt of the water pump and generator
					Check clutch cooling fan
				Removing and installing intake manifold and exhaust manifold
		Coupling
		Manual transmission
		Automatic Transmission
		Driveline and rear axle
		The front suspension
		Rear suspension
		A steering
		Brakes
		Electrical
		Body and Equipment

printable version

Cooling system

Tightening torques, kgs.m:
??? radiator drain plug: 0.15-0.20;
??? water pump: 0.9;
??? fan with an electromagnetic clutch: 2,0 2.4.

The drive is controlled by a magnetic coupling fan or temperature sensor. Magnetic drive consists of two magnetic plates which reliably transmit torque to the engine speed up to 1700 rev / min. Fan controlled by a temperature sensor works on the hydraulic principle, transferring torque through a film of oil controlled by a bimetallic plate.

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Installing the cylinder head

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Drain the cooling system