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

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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

printable version

Removal and installation of the fan heater / air conditioner and control module

Fan assembly

Details of the fan heater / air conditioner

1 - Loosen the screws
2 - Connector wiring the fan controller (A32n1)
A32m1 - The electric motor driving the fan
A32n1 - Electronic module (controller) control the operation of the fan

PERFORMANCE ORDER
Remove the cover from the right under the dashboard.
Disconnect the electrical wiring from the fan controller (A32n1).
Remove the fastening screws (1) and remove the fan (A32m1) complete with controller (A32n1).
Installation is in the reverse order.

The control module

Details of the installation of the electronic module of management of functioning of the fan heater

1 - Connector wiring
2 - Casing
3 - The screws
4 - Connector wiring drive fan motor (A32m1)
A32m1 - The electric motor driving the fan
A32n1 - Fan Controller

PERFORMANCE ORDER

Remove the fan assembly (see. Above).
Disconnect the connector (1) and turn the screw located underneath.
By pulling in the direction indicated by the arrows, remove the motor assembly (A32m1) from the housing (2).
Remove the fixing screws (3) and remove the controller (A32n1).
Disconnect the electrical wiring from the motor unit (4).
Installation is in the reverse order.

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Removal and installation of the cabin filter

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Removing and installing heat exchanger heater