64 51 592 Removing and installing/replacing evaporator (A/C control)

Unclip retainers (1).

Remove defroster nozzle, center (2).

Fig 1: Removing Defroster Nozzle

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Unlock plug connection (1) and disconnect.

Unlock limit switch for blower (2) and pull in direction of arrow out of guide (3).

Fig 2: Removing Blower Limit Switch

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Release screws (1).

Unscrew holder (2).

Detach expansion valve (3) in direction of arrow from flange (5) and feed out of housing (4).

Installation: 

Replace sealing rings.

Make sure flange (5) is correctly seated.

Fig 3: Detaching Expansion Valve

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Unclip retainers (1).

Release screws (2) and remove blower housing completely (3) in direction of arrow.

Fig 4: Removing Blower Housing

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Release screws (1) and remove housing base (2).

Fig 5: Removing Housing Base

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Unclip retainers (1).

Fig 6: Releasing Retainers

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Release screw (1).

Unclip retainers (2).

Pull both housing sections (4) apart and press flange (6) in direction of arrow out of housing opening.

Unclip temperature sensor holder (5) in direction of arrow from evaporator (3).

Pull evaporator (3) in direction of arrow out of housing.

Installation: 

Make sure all moving parts are correctly seated (linkage, flaps).

Make sure both housing sections (4) are correctly seated.

Make sure temperature sensor cable outside housing is of sufficient length.

Fig 7: Removing Evaporator

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