Operation CHARM: Car repair manuals for everyone.

A/C Unit and Front Air Intake Housing Components






A/C Unit and Front Air Intake Housing Components






1 Air Intake Housing

Removal and installation, refer to => [ Air Intake Housing Of Front A/C Unit ] Air Intake Housing Of Front A/C Unit.

Disassembly, refer to => [ A/C Unit Air Intake Housing ] A/C Unit Air Intake Housing.

Different versions, refer to Electronic Parts Catalog.

2 A/C Unit With Evaporator

May only be removed when refrigerant circuit has been removed; bring vehicle to a workshop that has the necessary tools and in which the work can be performed accordingly by qualified personnel.

Removal and installation, refer to => [ Front Evaporator With A/C Unit Installed ] Front Evaporator With A/C Unit Installed.

Evaporator housing, removal and installation, refer to => [ Front Evaporator Housing ] Front Evaporator Housing.

A/C unit with evaporator, removing and installing, refer to => [ Front Heating and A/C Unit ] Front Heating and A/C Unit.

Disassembly, refer to => [ Front A/C Unit ] Front A/C Unit.

Cleaning, refer to => [ Cleaning Front and Rear A/C System Evaporator ] Service and Repair.

Removal and installation, refer to => [ Air Duct For Glove Compartment Cooling ] Air Duct For Glove Compartment Cooling.

The evaporator is currently not available as a replacement part for all versions, therefore check in advance, whether this evaporator is available as a replacement evaporator. Refer to Electronic Parts Catalog (ETKA). If the evaporator is not available as a replacement evaporator, the A/C unit must be removed. Refer to=> [ Front Heating and A/C Unit ] Front Heating and A/C Unit and the evaporator housing with the series evaporator must be replaced entirely, refer to => [ Front Evaporator Housing ] Front Evaporator Housing.

3 Connection To The Climatronic Control Module (J255) , On The A/C Unit Wiring Harness

4 Recirculation Door Motor (V113)

Removal and installation, refer to => [ Recirculation Door Motor (V113) ] Recirculation Door Motor (V113).

5 Airflow Door Motor (V71)

Removal and installation, refer to=> [ Air Flow Door Motor (V71) ] Air Flow Door Motor (V71).

6 Expansion Valve

May only be removed when refrigerant circuit has been removed; bring vehicle to a workshop that has the necessary tools and in which the work can be performed accordingly by qualified personnel.

Removal and installation, refer to => [ Front Expansion Valve Refrigerant Lines, Disconnecting ] Front Expansion Valve Refrigerant Lines, Disconnecting.

Removal and installation, refer to => [ Front Expansion Valve ] Front Expansion Valve.

7 Grommet

For sealing the opening through the plenum chamber rear wall for the refrigerant lines.

8 Coolant Pipes To Heater Core

9 Cover For The Refrigerant Pipes Leading To The Evaporator

Removing and installing, refer to => [ Front Evaporator With A/C Unit Installed ] Front Evaporator With A/C Unit Installed.

10 Left Temperature Door Motor (V158)

Removal and installation, refer to => [ Left Temperature Door Motor (V158) ] Left Temperature Door Motor (V158).

11 Defroster Door Motor (V107)

Removal and installation, refer to => [ Defroster Door Motor (V107) ] Defroster Door Motor (V107).

12 Left Vent Adjustment Motor (V110)

Removal and installation, refer to => [ Left Center Vent Motor (V110) ] Left Center Vent Motor (V110).

Bracket, removal and installation, refer to => [ Bracket For Control Motors (V110) and (V299) ] Bracket For Control Motors (V110) and (V299).

13 Left Side Vent Motor (V299)

Removal and installation, refer to => [ Left Side Vent Motor (V299) ] Left Side Vent Motor (V299).

Bracket, removal and installation, refer to => [ Bracket For Control Motors (V110) and (V299) ] Bracket For Control Motors (V110) and (V299).

14 Left Footwell Temperature Door Motor (V411)

Removal and installation, refer to => [ Left Footwell Temperature Door Motor (V411) ] Left Footwell Temperature Door Motor (V411).

Bracket, removal and installation, refer to => [ Bracket For Control Motors (V108) and (V411) ] Bracket For Control Motors (V108) and (V411).

15 Left Footwell Door Motor (V108)

Removal and installation, refer to => [ Left Footwell Door Motor (V108) ] Left Footwell Door Motor (V108).

Bracket, removal and installation, refer to => [ Bracket For Control Motors (V108) and (V411) ] Bracket For Control Motors (V108) and (V411).

16 Rear Air Quantity Motor (V443)

Removal and installation, refer to => [ Rear Air Quantity Motor (V443) ] Rear Air Quantity Motor (V443).

17 Left Condensation Water Drain Connection, (Driver Side)

Refer to => [ Front Condensation Water Drain Hose, Checking ] Front Condensation Water Drain Hose, Checking.

18 Heater Core For Heater Unit

Removal and installation, refer to => [ Heater Core With Front A/C Unit Installed ] Heater Core With Front A/C Unit Installed.

19 Right Temperature Door Motor (V159)

Removal and installation, refer to => [ Right Temperature Door Motor (V159) ] Right Temperature Door Motor (V159).

20 Indirect Ventilation Door Control Motor (V213)

Removal and installation, refer to => [ Indirect Ventilation Door Motor (V213) ] Indirect Ventilation Door Motor (V213).

Bracket, removal and installation, refer to=> [ Bracket For Control Motors (V111) and (V213) ] Bracket For Control Motors (V111) and (V213).

21 Right Center Vent Motor (V111)

Removal and installation, refer to => [ Right Center Vent Motor (V111) ] Right Center Vent Motor (V111).

Bracket, removal and installation, refer to=> [ Bracket For Control Motors (V111) and (V213) ] Bracket For Control Motors (V111) and (V213).

22 Right Side Vent Motor (V300)

Removal and installation, refer to => [ Right Side Vent Motor (V300) ] Right Side Vent Motor (V300).

23 Right Footwell Temperature Door Motor (V412)

Removal and installation, refer to => [ Right Footwell Temperature Door Motor (V412) ] Right Footwell Temperature Door Motor (V412).

Bracket, removal and installation, refer to=> [ Bracket For Control Motors (V109) and (V412) ] Bracket For Control Motors (V109) and (V412).

24 Right Footwell Door Motor (V109)

Removal and installation, refer to => [ Right Footwell Door Motor (V109) ] Right Footwell Door Motor (V109).

Bracket, removal and installation, refer to=> [ Bracket For Control Motors (V109) and (V412) ] Bracket For Control Motors (V109) and (V412).

25 Rear Temperature Regulator Door Motor (V137)

Removal and installation, refer to => [ Rear Temperature Door Motor (V137) ] Rear Temperature Door Motor (V137).

26 Auxiliary Air Heater Control Module (J604) with Auxiliary Heater Heating Element (Z35)

The auxiliary air heater control module with the auxiliary heater heating element is installed only on vehicles with diesel engines.

Different versions of the A/C unit with and without an opening for the Auxiliary Air Heater Control Module with auxiliary heater heating element depending on the vehicle version. Refer to Electronic Parts Catalog and => [ Front A/C Unit ] Front A/C Unit.

Check the function of the auxiliary air heater control module and the auxiliary heater heating element.

Auxiliary air heater control module and auxiliary heater heating element, removal and installation, refer to => [ Auxiliary Heater Heating Element (Z35) with Control Module (J604) ] Service and Repair.

27 Right Condensation Water Drain Connection (Passenger Side)

Refer to => [ Front Condensation Water Drain Hose, Checking ] Front Condensation Water Drain Hose, Checking.

28 Connection For The Hose To The Air Duct For Glove Compartment Cooling

Air duct for glove compartment cooling - item 31 => [ (Item 31) Hose To The Air Duct For Glove Compartment Cooling ].

29 Evaporator Vent Temperature Sensor (G263)

Removal and installation, refer to => [ Evaporator Vent Temperature Sensor (G263) ] Evaporator Vent Temperature Sensor (G263).

30 Evaporator

May only be removed when refrigerant circuit has been removed; bring vehicle to a workshop that has the necessary tools and in which the work can be performed accordingly by qualified personnel.

A/C unit with evaporator, removing and installing, refer to => [ Front Heating and A/C Unit ] Front Heating and A/C Unit.

Removal and installation, refer to => [ Front Evaporator With A/C Unit Installed ] Front Evaporator With A/C Unit Installed.

The evaporator is currently not available as a replacement part for all versions, therefore check in advance, whether this evaporator is available as a replacement evaporator. Refer to Electronic Parts Catalog (ETKA). If the evaporator is not available as a replacement evaporator, the A/C unit must be removed. Refer to=> [ Front Heating and A/C Unit ] Front Heating and A/C Unit and the evaporator housing with the series evaporator must be replaced entirely, refer to => [ Front Evaporator Housing ] Front Evaporator Housing.

31 Hose To The Air Duct For Glove Compartment Cooling

Checking, removing and installing, refer to => [ Air Duct For Glove Compartment Cooling ] Air Duct For Glove Compartment Cooling.

32 Fresh Air Blower (V2) with Fresh Air Blower Control Module (J126)

Removal and installation, refer to => [ Fresh Air Blower (V2)/Control Module (J126) ] Fresh Air Blower (V2)/Control Module (J126).

Check using the Vehicle Diagnostic Tester in the "Guided Fault Finding" function.

Different versions. Refer to Electronic Parts Catalog.

33 Dust and Pollen Filter

Removing and installing, refer to => [ Dust and Pollen Filter ] Service and Repair.

Follow the replacement intervals.

Different versions as a replacement part (with and without activated charcoal filter element), refer to Electronic Parts Catalog and => [ Dust and Pollen Filter with Activated Charcoal Insert ] Description and Operation.