Heater And A/C Unit Overview, CLIMATRONIC: Notes

Fig 1: Identifying Heater And A/C Unit Overview, Climatronic

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1. - Front Air Distribution Door Motor -V426- With Front Air Distribution Door Motor Position Sensor -G642- 
   • Checking: use the vehicle diagnostic tester
   • Removing and installing, refer to FRONT AIR DISTRIBUTION DOOR MOTOR -V426- AND POSITION SENSOR -G642- .
   • Replacing: initiate the basic setting using the vehicle diagnostic tester.
2. - Left Temperature Door Motor -V158- 
   • Checking: use the vehicle diagnostic tester
   • Removing and installing, refer to LEFT TEMPERATURE DOOR MOTOR -V158- .
   • Replacing: initiate basic setting using the vehicle diagnostic tester.
3. - Defroster Door Motor - V107- 
   • Checking: use the vehicle diagnostic tester
   • Removing and installing, refer to DEFROSTER DOOR MOTOR -V107- .
   • Replacing: initiate basic setting using the vehicle diagnostic tester.
4. - Bracket 
5. - Screws 
   • It is necessary to remove the screws in order to separate the bracket from the air distribution and evaporator housing.
6. - Cover 
7. - Fresh Air/Recirculating Air/Back Pressure Door Motor -V425- 
   • Checking: use the vehicle diagnostic tester
   • Removing and installing, refer to FRESH AIR/RECIRCULATING AIR/BACK PRESSURE DOOR MOTOR -V425- .
   • Replacing: initiate basic setting using the vehicle diagnostic tester.
8. - Air Intake Housing 
   • With recirculating air door
   • With air flow door (Climatronic)
   • Removing and installing, refer to AIR INTAKE HOUSING .
9. - Evaporator Housing Upper Section 
   • Evaporator housing, disassembling and assembling, refer to EVAPORATOR HOUSING .
10. - Evaporator Housing Lower Section 
    • Evaporator housing, disassembling and assembling, refer to EVAPORATOR HOUSING .
11. - Evaporator 
    • Removing and installing, refer to EVAPORATOR .
12. - Evaporator Temperature Sensor -G308- or Evaporator Vent Temperature Sensor -G263- 
    • Checking: use the vehicle diagnostic tester
    • Removing and installing, refer to EVAPORATOR TEMPERATURE SENSOR -G308- OR EVAPORATOR VENT TEMPERATURE SENSOR -G263- .
13. - Connection For Glove Compartment Cooling 
    • Remove the glove compartment. Refer to Removal and Installation .
14. - Cooling Hose For Glove Compartment Cooling 
    • Remove the glove compartment. Refer to Removal and Installation .
    • Installation position of glove compartment cooling connection; refer to INSTALLATION POSITION OF GLOVE COMPARTMENT COOLING CONNECTION .
15. - Fresh Air Blower -V2- with Fresh Air Blower Control Module -J126- 
    • Checking: use the vehicle diagnostic tester
    • Fresh Air Blower -V2-, removing and installing, refer to FRESH AIR BLOWER -V2-, MANUAL CONTROLS .
    • Fresh Air Blower Control Module -J126-, removing and installing, refer to FRESH AIR BLOWER CONTROL MODULE -J126- .
16. - Dust and Pollen Filter 
    • With activated charcoal filter
    • Removing and installing, refer to DUST AND POLLEN FILTER .
17. - Cover 
    • For dust and pollen filter
18. - Heater Core 
    • Removing and installing, refer to HEATER CORE .
19. - Right Temperature Door Motor -V159- 
    • Checking: use the vehicle diagnostic tester
    • Removing and installing, refer to RIGHT TEMPERATURE DOOR MOTOR -V159- .
    • Replacing: initiate basic setting using the vehicle diagnostic tester.
20. - Heater Core Trim 
21. - Auxiliary Heater Heating Element -Z35- 
    • Only installed on vehicles with a diesel engine.
    • Checking: using the vehicle diagnostic tester under Heating, Ventilation and Air Conditioning; OBD Capable Systems; Auxiliary Heater; Electrical Components.
    • Removing and installing, refer to AUXILIARY HEATER HEATING ELEMENT -Z35- .
22. - Air Distribution Housing 
    • Removing and installing, refer to AIR DISTRIBUTION HOUSING .