Overview - Heater And A/C Unit
- Coolant Pipe for the Heater Core
- Coolant supply from engine
- Coolant Pipe for the Heater Core
- Coolant return to engine
- O-Ring Seal
- Replacing
- Hose Clamp
- 2 Nm
- Bracket for Coolant Pipes
- For the heater core
- Bolt
- 2 Nm
- Auxiliary Heater Heating Element -Z35-
- For vehicles with TDI- engines and for vehicles with a high voltage system (hybrid vehicle with gasoline engine)NOTE:
Currently an Auxiliary Heater Heating Element -Z35- is also installed on vehicles with a high voltage system (hybrid vehicles) and a gasoline engine. Refer to ELECTRICAL AUXILIARY HEATER ACTIVATION, CHECKING .
For vehicles with a gasoline engine, the electric auxiliary heater (the Auxiliary Heater Heating Element -Z35-) is activated by the Climatronic Control Module -J255- control head via the local data bus (activated via the same outlet and also via the Fresh Air Blower Control Module -J126-) on the Auxiliary Air Heater Control Module -J604-. If there is a complaint with these vehicles, check the Fresh Air Blower Control Module -J126- or Fresh Air Blower -V2- and the Auxiliary Air Heater Control Module -J604-. Use the Vehicle Diagnostic Tester in the "Guided Fault Finding" function and the Appropriate Wiring Diagram.
- Currently there is no heating element installed for vehicles with a parking heater
- Checking. Refer to ELECTRICAL AUXILIARY HEATER ACTIVATION, CHECKING .
- Removing and Installing. Refer to Auxiliary Heater Heating Element -Z35-, REMOVING AND INSTALLING .
- For vehicles with TDI- engines and for vehicles with a high voltage system (hybrid vehicle with gasoline engine)
- Bolt
- 2 Nm
- Quantity: 2
- Wire
- For Auxiliary Heater Heating Element -Z35-
- Ground (GND) Cable
- Nut - 9 Nm
- For the auxiliary heater
- Air Distribution Housing
- On vehicles with a gasoline engine or TDI engine without an Auxiliary Heater Heating Element -Z35-, the opening for the auxiliary heater is sealed.
- A/C unit, removing and installing. Refer to HEATER AND A/C UNIT, REMOVING AND INSTALLING .
- Overview. Refer to OVERVIEW - ATTACHMENTS FOR HEATER AND A/C UNIT AND AIR INTAKE HOUSING .
- Heat Exchanger
- Removing and Installing. Refer to HEATER CORE, REMOVING AND INSTALLING .
- Hose Clamp
- 2 Nm
- O-Ring Seal
- Replacing