REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mercedes-Benz G-Class (W463, 1999 issue)

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

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Mercedes-Benz
	G-class
		Introduction
		Controls and operation receptions
		Current care and maintenance
		Engine
		System of cooling, heating, ventilation and air conditioning
			Engine cooling system
			Ventilation systems, heating and air conditioning
				General information and safety measures
				Removal and installation of the control panel operation of the heating / ventilation / air conditioning
				Removal and installation of the cabin filter
				Removal and installation of the fan heater / air conditioner and control module
				Removing and installing heat exchanger heater
				Removal and installation of the circulating pump heating
				Removing and installing rear ventilation flaps
				Check the coolant level in the working path of the system K / V
				Removal and installation of gauges of system K / V
				Removal and installation of auxiliary fan assembly
				Removal and installation of the motor drive ventilation flap
				Removal and installation of the stepper motor drive mode switching valve air circulation
				Removal and installation of an electric motor drive the mixing flap
				Removal and installation of evaporator K / V and housing
				Removal and installation of compressor K / V
				Removing and installing condenser K / V
				Removal and installation of the expansion valve
				Removal and installation of receiver-dryer
		The power supply system and exhaust
		Systems of an electric motor
		Automatic Transmission
		Transmission Line
		Brakes and auxiliary systems
		Suspension and steering
		Body
		Onboard electric
		Wiring

Removing and installing heat exchanger heater

Details of the installation of the heat exchanger heater


9 - Attachment 9a - Spring clips 10 - Connecting clamps 11 - Tubes cooling path	12 - Heat Exchanger 13 - bolts with heads of type TORX 14 - Clamp

PERFORMANCE ORDER

Pre-pressure relief path, empty the cooling system (see chap. Current care and maintenance).
On models corresponding complete set (code ET2) activate the service mode of the emergency call TELE AID (see. Section Activate / deactivate the service mode of the emergency call AID TELE).
Disconnect the negative cable from the battery, - the need to connect the auxiliary battery is missing.
Remove the instrument panel (see chap. Body).
Remove the gas pedal.
Remove the carpet floor in the left rear footswitch well (see chap. Body).
Remove the cover on the left front side of the central tunnel.
Remove the air supply hose to the left rear foot well.
Release the clips (9a) and remove the nozzle (9).
Remove the coupling collars (10) and disconnect from the heat exchanger (12) of the tube cooling path (11), clamps (10) and O-rings must be replaced without fail.
Remove the bolts (13).
Remove the collar (14) and remove the heat exchanger (12).
Carefully clean the inside of the heat exchanger housing, completely removing it implies coolant leaks that are the source of odors.
Installation is in the reverse order.
On models corresponding complete deactivate service mode of TELE AID.
Finally, clean the processor memory on-board self-diagnostic system (see chap. Systems of an electric motor).