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
				Engine Timing 4-cylinder engines
				Engine Timing 6-cylinder engines
				Cylinder head
				Removal of the power unit
				Installation of the power unit
				Disassembly of the engine
				Lubrication system
					Removal and installation of the oil pump motor M 102
					Checking oil pressure
				Cooling system
			Work on the engine M 110 and M 123
		Coupling
		Manual transmission
		Automatic Transmission
		Driveline and rear axle
		The front suspension
		Rear suspension
		A steering
		Brakes
		Electrical
		Body and Equipment

Checking oil pressure

PERFORMANCE ORDER

Disconnect the socket from the gauge of emergency pressure of oil.
Remove the pressure sensor. Install a pressure gauge to check the oil pressure.
Start and warm up the engine.
Remove the pressure gauge at idle and at 3000 rev / min, and compare them with norm.
Remove the pressure gauge and set the gauge of emergency pressure of oil.