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 Limit Switch For Blower

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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).

Fig 3: Detaching Expansion Valve From Flange

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Installation: 

Replace sealing rings.

Make sure flange (5) is correctly seated.

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: Uncliping 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.

Fig 7: Removing Evaporator

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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.