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

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

Home

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
		Systems of an electric motor
		Manual box of a gear change
		The transmission automatically processed
		Transmission Line
		Brakes and auxiliary systems
			General information and safety measures
			Check the brake system for leaks
			Check of serviceability of functioning of the vacuum brake booster
			Check non-return valve
			Removal and installation of the main brake cylinder
			Removing and installing brake servo stroke sensor diaphragm BAS
			Removing and installing hydromodulator ETS / ESP
			Removing and installing hydraulic lines laid between GTZ and hydromodulator ETS / ESP
			Assessment of the degree of wear and replacement brake pads
			Replacement brake hoses
			Removal and installation of a support
			Removal and installation of a brake disk
			Replacing the parking brake shoes
			Bleeding brake system
			Removal and installation of the pedal assembly and the gauge-switch of stoplights
			Removing and installing brake pedal charging parking
			Removal and installation of a rope assembly handbrake
			Adjusting the parking brake
			Removal and installation of wheel gauges ABS / ETS / ESP
		Suspension and steering
		Body
		Onboard electric

Check the brake system for leaks

Verification is performed using a special tester (051), connected to the valve pumping the brake caliper.

Check brake circuit for leaks

051 - tester
080 - Gates for squeezing the pedal

High-pressure test

PERFORMANCE ORDER

Run the engine at moderate speed, then a sharp releasing the gas pedal to create a deep vacuum in the intake manifold.
Using a special gate (080) to fully depress the brake pedal. The pressure drop over the next 5 minutes should amount to no more than 5% - believe on the tester (050).

Low-head test

PERFORMANCE ORDER

Stop the engine and a few taps on the brake pedal fully relieve depression.
Using the gate (080) depress so that the tester (050) recorded at a pressure of about 3 bar, - the pressure must be maintained for at least 2 minutes.
In summary pump over brake system (see. Section Bleeding brake system).