Heater Unit

Heater Unit






1 Adjusting Unit For Temperature Door

• Removing and installing, refer to => [ Air Distribution Door Adjuster Cable ] Air Distribution Door Adjuster Cable.

2 Bracket

3 Cover

4 Fresh/Recirculating Air Door Motor (V154)

• Checking, use: Vehicle Diagnosis, Testing and Information System (VAS 5051B).

• Removing and installing, refer to => [ Fresh/Recirculation Air Door Motor (V154)/(V425) ] Fresh/Recirculation Air Door Motor (V154)/(V425).

• Replacing: perform a basic setting using Vehicle Diagnosis, Testing and Information System (VAS 5051B) => [ Climatronic A/C System Components, Checking and Adjusting ] Climatronic A/C System Components, Checking and Adjusting.

5 Housing For Air Entry

• With recirculating air door.

6 Heater Unit

7 Fresh Air Blower (V2)

• Removing and installing, refer to => [ Fresh Air Blower (V2) ] Service and Repair.

8 Fresh Air Blower Series Resistor With Fuse (N24)

• Removing and installing, refer to => [ Fresh Air Blower Series Resistor with Fuse (N24) ] Service and Repair.

9 Dust and Pollen Filter

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

10 Cover

• For dust and pollen filter.

11 Heater core

• Heater core, removing and Installing, refer to => [ Heater Core ] Service and Repair.

• Heater core, Jetta from MY 11, removing and installing, refer to => [ Heater Core ] Service and Repair.

• After replacing heater core, replace all the coolant.

12 Heater Core Trim

13 Auxiliary Heater Heating Element (Z35)

Vehicles Through 1K-7M 119 726

• With Auxiliary Air Heater Control Module (J604)

• Checking: with Vehicle Diagnosis, Testing and Information System (VAS 5051) (or succeeding model), under Heating, Ventilation and Air Conditioning; OBD-Capable Systems; Auxiliary Heating; Electrical Components.


Vehicles From 1K-7M 119 726

• A 3-stage Auxiliary Heater Heating Element (Z35) is installed here; it is controlled by each motor control module via relays.

• Only installed on vehicles with Diesel engine without auxiliary heater.

14 Air Distribution Housing

15 Adjusting Unit For Air Distribution Doors