Golf Mk4
| Climatronic - passenger compartment |
Note| t | Before beginning repair work, perform the following steps → Chapter. |
| t | Parts marked with an “*” can be repaired only in workshops with suitable equipment and specially trained mechanics because the refrigerant must be evacuated beforehand using, for example, the air conditioning service station -VAS 6007A-. |
| 1 - | Side window vent |
| q | Removing → Chapter. |
| 2 - | Vent |
| q | Removing → Chapter. |
| 3 - | Defroster vent |
| q | Removing and installing → Rep. Gr.70. |
| 4 - | Sunlight penetration photosensor -G107- |
| q | Tasks: controls temperature flap and fresh air blower depending on light intensity. |
| q | In event of failure: control unit -J255- assumes fixed value. |
| q | Checking: vehicle diagnosis, testing and information system -VAS 5051B- in guided fault finding. |
| q | Removing and installing |
| 5 - | Dash panel temperature sensor -G56- with temperature sensor blower -V42- |
| q | The Climatronic control unit -J255-, the operating and display unit for Climatronic air conditioning system -E87- and the dash panel temperature sensor -G56- with temperature sensor blower -V42- are combined in one unit which cannot be dismantled. |
| q | Checking: vehicle diagnosis, testing and information system -VAS 5051B- in guided fault finding. |
| q | Task: the temperature sensor controls the temperature flap and the fresh air blower based on the temperature. |
| q | In event of failure of dash panel temperature sensor -G56-: continued operation assuming value of +24° C. |
| q | Renewing and adjusting → Chapter |
| 6 - | Operating and display unit for Climatronic air conditioning system -E87- with Climatronic control unit -J255- |
| q | The Climatronic control unit -J255-, the operating and display unit for Climatronic air conditioning system -E87- and the dash panel temperature sensor -G56- with temperature sensor blower -V42- are combined in one unit which cannot be dismantled. |
| q | Checking: vehicle diagnosis, testing and information system -VAS 5051B- in guided fault finding. |
| q | Operation and function → Chapter. |
| q | Renewing and adjusting → Chapter |
| q | Removing and installing → Chapter. |
| 7 - | Intermediate piece |
| 8 - | Dash panel cross member |
| q | Detaching and attaching → Chapter. |
| 9 - | Dust and pollen filter |
| q | With activated charcoal filter. |
| q | Removing and installing → Chapter. |
| 10 - | Fresh air intake duct temperature sensor -G89- |
| q | With seal. |
| q | Function: temperature sensor controls temperature flap and fresh air blower, depending on temperature. |
| q | In event of failure: ambient temperature sensor -G17- takes over the function. |
| q | Checking: vehicle diagnosis, testing and information system -VAS 5051B- in guided fault finding. |
| Renewing: |
| q | Remove glove box. → Rep. Gr.68 |
| q | Turn temperature sensor 90° and pull out. |
| q | When installing, moisten rubber seal with oil. |
Note| If removal and installation are not possible as described above, continue as follows: |
| For vehicles with a double pedal or reinforced insulation |
| q | Removing and installing dash panel → Rep. Gr.70. |
| q | Loosen dash panel cross member → Item. |
Note| Observe the installation notes when carrying out repair work → Anchor. |
| 11 - | Evaporator output temperature sender -G263- |
| Only on vehicles with externally regulated compressor ► week 19.00 |
| Installed in all vehicles starting week 20 of 2000 |
| q | Checking: vehicle diagnosis, testing and information system -VAS 5051B- in guided fault finding. |
| q | With seal. |
| Renewing: |
| q | Remove glove box. → Rep. Gr.68 |
| q | Turn temperature sensor 90° and pull out. |
| q | When installing, moisten rubber seal with oil. |
Note| If removal and installation are not possible as described above, continue as follows: |
| For vehicles with a double pedal or reinforced insulation. |
| – | Removing and installing dash panel → Rep. Gr.70. |
| – | Loosen dash panel cross member → Item. |
Note| Observe the installation notes when carrying out repair work → Anchor. |
| 12 - | Air flow flap control motor -V71- |
| q | Operates simultaneously fresh air and air recirculation flap. |
| q | Checking: vehicle diagnosis, testing and information system -VAS 5051B- in guided fault finding. |
| q | Removing → Chapter. |
| q | Renewing and adjusting → Chapter |
| 13 - | Fresh air blower -V2- |
| q | Checking: vehicle diagnosis, testing and information system -VAS 5051B- in guided fault finding. |
| q | Removing → Chapter. |
| 14 - | Fresh air blower control unit -J126- |
| q | Task: continuously variable control of fresh air blower speed depending on voltage. |
| q | Checking: vehicle diagnosis, testing and information system -VAS 5051B- in guided fault finding. |
| q | Renewing → Chapter. |
| 15 - | Distribution box and evaporator housing* |
| q | With heat exchanger. |
| q | With evaporator. |
| q | Removing: |
| q | Remove dash panel → Rep. Gr.70. |
| q | Extract refrigerant, e.g. with air conditioning service station -VAS 6007A-. |
| q | Dismantling and assembling → Chapter. |
| 16 - | Central flap control motor -V70- |
| q | Checking: vehicle diagnosis, testing and information system -VAS 5051B- in guided fault finding. |
| q | Removing → Chapter. |
| q | Renewing and adjusting → Chapter |
| 17 - | Temperature flap control motor -V68- |
| q | Checking: vehicle diagnosis, testing and information system -VAS 5051B- in guided fault finding. |
| q | Removing → Chapter. |
| q | Renewing and adjusting → Chapter |
| 18 - | Centre trim |
| 19 - | Climatronic control unit -J255- |
| q | The Climatronic control unit -J255-, the operating and display unit for Climatronic air conditioning system -E87- and the dash panel temperature sensor -G56- with temperature sensor blower -V42- are combined in one unit which cannot be dismantled. |
| q | Checking: vehicle diagnosis, testing and information system -VAS 5051B- in guided fault finding. |
| q | Renewing and adjusting → Chapter |
| 20 - | Footwell vent |
| q | Passenger side only. |
| 21 - | Rear duct |
| 22 - | Seal |
| 23 - | Connecting piece |
| q | With driver side footwell vent. |
| q | Removing → Chapter. |
| 24 - | Footwell vent temperature sender -G192- |
| q | Function: controls air distribution between defroster and footwell and the fresh air blower speed dependent upon the vent temperature. |
| q | Emergency running in event of failure: continued operation assuming water temperature of +80° C. |
| q | Checking: vehicle diagnosis, testing and information system -VAS 5051B- in guided fault finding. |
| q | Removing and installing → Chapter. |
| 25 - | Footwell and defroster flap control motor -V85- |
| q | Checking: vehicle diagnosis, testing and information system -VAS 5051B- in guided fault finding. |
| q | Removing → Chapter. |
| q | Renewing and adjusting → Chapter |
| 26 - | Heat exchanger* |
| q | After removal, completely renew coolant. |
| q | Removing: |
| q | Remove dash panel → Rep. Gr.70. |
| q | Extract refrigerant, e.g. with air conditioning service station -VAS 6007A-. |
| q | Remove distribution box and evaporator housing. |
| 27 - | Heat exchanger/bulkhead seal* |
| q | Note installation position → Chapter. |
| 28 - | Intermediate piece, defrost |
| Renewing: |
| q | Removing and installing dash panel → Rep. Gr.70. |
| q | Remove dash panel cross member → Chapter |
| q | Note installation position → Chapter. |
