64 51 590 Removing and installing/replacing evaporator

WARNING: This page is about a different variant/trim than selected.

Necessary preliminary tasks:

Release screws (1).

Remove cover (2) with twin pipes (3) and gasket (4).

Installation:

Ensure gasket (4) is correctly seated.

Fig 1: Identifying Cover, Twin Pipes And Gasket

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Disconnect plug connection from temperature sensor (1).

Release screws (2) and remove cover (3).

Fig 2: Identifying Temperature Sensor And Cover Screws

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Remove evaporator (1).

Replacement:

Remove expansion valve (2).

Fig 3: Identifying Evaporator And Expansion Valve

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Installation:

Observe assembly sequence without fail.

Insert coolant pipes (1) with new sealing rings in heat exchanger (2).

Attach lower shell of retaining clip (3) from rear (A/C system side).

Clip in upper shell (4) from front and secure with screw (5).

Fig 4: Identifying Coolant Pipes, Heat Exchanger And Retaining Clip

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When correctly installed, the coolant pipes are visible in the two apertures (1) of the upper shell (2).

Fig 5: Identifying Apertures Of Upper Shell

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