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
				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

Dismantling of a head of cylinders

All units should be marked to ensure correct assembly.

PERFORMANCE ORDER

Remove the cover plate from the top of the valve.
With spring compressor valves alternately compress a spring so that it was possible to remove the cutting locks (crackers). Release the device and remove the plate and spring. If the plate expands with difficulty, release device and gently tap with a hammer on the top. Make sure that the device was planted a tightly on the plate spring.
Remove the valve from the cylinder head.
Slide the valve stem oil seals to the top of the guides and remove the seat springs. If necessary, remove the ball cam follower fingers from the head.