Circulation unit for heating systems - ra83001400556x(0556)

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A. Removing and installing blower motor (A32m1), B. Removing and installing charcoal canister servo motor (A32m2) - Model 140

Removing and installing blower motor (A32m1)

Fig 1: Identifying Blower Motor Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Battery	Disconnect negative pole.
Air collector	Remove (Removal and installation of the air collector unit and water collector ).
Dust filter	Remove.
Electrical connectors	Disconnect.
4 screws (arrows)	Unscrew.
Blower	Take out.
Install	In the reverse sequence.
	NOTE: The blower must not be dismantled, but must be replaced complete, i.e. blower with bracket and electronic blower controller.
Install	In reverse sequence.
	NOTE: The blower must not be dismantled, but must be replaced complete, i.e. blower with bracket and electronic blower controller (A32n1).
	After completing the work: Erase fault memory in the control unit (Diagnosis manual - air conditioning).

Removing and installing charcoal canister servo motor (A32m2)

Fig 2: Identifying Charcoal Canister Servo Motor Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Blower motor	Remove (Circulation unit for heating systems , "A").
2 screws	Unscrew.
Actuator (A32m2)	Pull out until actuating rod can be unclipped (arrow).
Servo motor (A32m2)	Remove.
Install	In the reverse sequence.
Function check	Perform.
	After completing the work: Erase fault memory in the control unit (Diagnosis manual - air conditioning).