REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mercedes-Benz M-Class (W163, 1997 issue)

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

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Mercedes-Benz
	W163
		Introduction
		Controls and receptions of safe operation
		Current care and maintenance
		Engine
		System of cooling, heating and air conditioner
		The power supply system and exhaust
			The power supply system of petrol engines
				Checking and adjustment of the idle speed / ignition timing / CO
				Dropping the pressure in the fuel system, petrol engine
				The principle of operation of the control system and injection petrol engine
				Total system verification injection petrol engine
				Check injectors
				Removal and installation of components of an inlet air path
				Service elements throttle actuator
				Emptying the fuel tank
				Removing and installing the fuel pump assembly to the fuel reserve sensor
				Removal and installation of the shut-off the fuel valve (US models only)
				Removal and installation of a fuel distributive highway and injectors
				Removal and installation of the fuel coming from the fuel filter to the fuel line - models 163,154,157 / 172/174/175
				Removing and installing fuel tank
			The power supply system of diesel engines
			Exhaust systems and reduce emissions
		Systems of an electric motor
		Manual box of a gear change
		The transmission automatically processed
		Transmission Line
		Brakes and auxiliary systems
		Suspension and steering
		Body
		Onboard electric

printable version

Check injectors

PERFORMANCE ORDER

Leakage valve fuel injectors difficult when starting a warm engine. Damage to the injectors can be a cause of diesel effect when the engine continues to operate with the ignition off.

Run the engine at idle.
With a stethoscope to make sure of serviceability of functioning of each injector, - the presence of clicks indicates the serviceability of the opening and closing valves.

In the absence of a stethoscope on hand check can be made to touch with a screwdriver or your finger.

If any unusual sounds, as well as the complete absence of such need to make sure of serviceability of giving on injectors supply voltage, measure the resistance of the injectors and check them for leaks.

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Total system verification injection petrol engine

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Removal and installation of components of an inlet air path