Audi Q7 Owners & Service Manuals

Audi Q7: Overview - Attachments for Heater and A/C Unit and Air Intake Housing

Audi Q7 (4M) 2016-2025 Workshop Manual / Heating, Ventilation & Air Conditioning / Air Conditioning / Rear Heater and A/C Unit / Overview - Attachments for Heater and A/C Unit and Air Intake Housing

General information for "Mid"/"Mix" and "High" A/C System

  Caution

Interchange of the wire connections to the temperature sensors or the connectors at the adjustment motors results in problems regarding the regulation of the A/C system.

A/C system malfunctions in the case of interchanged control motors and/or connectors. Refer to → Chapter "Main Wiring Diagram for A/C System Actuators".

  • Interchanged connectors at the adjustment motors or the temperature sensors are not identified as malfunctions by the Rear A/C Display Control Head -E265-.
  • Prior to disconnecting connectors or removing electrical components, clearly label them in order to rule out confusion.

  Note

  • Depending on vehicle equipment, there are different versions of the A/C system for the Audi Q7. Make sure to use the correct version and pay attention to the allocation of different components. Refer to → Chapter "A/C System Versions" and Parts Catalog.
  • Depending on the vehicle equipment either a rear heater and A/C unit (on a vehicle with a "High" A/C system), a rear air distribution housing (on a vehicle with a "Mid" or "Mix" A/C system) or only a rear air duct on a vehicle with a "Low" A/C system) are installed. Refer to → Chapter "Overview - Air Routing and Air Distribution in Vehicle Interior".
  • The Rear A/C Display Control Head -E265- is an optional equipment (for "Mid", "Mix", or "High" A/C system) different versions -A or B-. Refer to the Parts Catalog.
  • For the start of production only on vehicles with a "Mid", "Mix" or "High" A/C system a Rear A/C Display Control Head -E265- is installed.

A00-11073

Overview - Heater and A/C Unit Attachments and Air Intake Housing, Heater Core, "Mid" or "Mix" A/C System

Overview - Heater and A/C Unit Attachments and Air Intake Housing, Heater Core, "Mid" or "Mix" A/C System

1 - Air Duct

  • Removing and installing. Refer to → Chapter "Rear Fresh Air Blower -V80-, Removing and Installing, Mid or Mix A/C System".

2 - Bolt

  • 1 Nm
  • Quantity: 2

3 - Operating Lever

  • Mark before removing (risk of interchange)

4 - Rear Heater and A/C Unit

  • With Rear Fresh Air Blower -V80-
  • Removing and installing. Refer to → Chapter "Heater and A/C Unit, Removing and Installing, Mid or Mix A/C System".

5 - Right B-Pillar/Footwell Shut-Off Door Motor -V211-

  • To rule out confusion, clearly label the wire routing, allocation and adjustment motor for each installation location prior to disconnecting the connector or removing an adjustment motor.
  • Refer to → Chapter "Right B-Pillar/Footwell Shut-Off Door Motor -V211-, Removing and Installing"

6 - Bolt

  • 1 Nm
  • Quantity: 2

7 - Right Rear Upper Body Vent Motor -V316-

  • To rule out confusion, clearly label the wire routing, allocation and adjustment motor for each installation location prior to disconnecting the connector or removing an adjustment motor.
  • Refer to → Chapter "Right Rear Upper Body Vent Motor -V316-"

8 - Bolt

  • 1 Nm
  • Quantity: 2

9 - Operating Lever

  • Mark before removing (risk of interchange)

10 - Operating Lever

  • Mark before removing (risk of interchange)

11 - Left B-Pillar/Footwell Shut-Off Door Motor -V212-

  • To rule out confusion, clearly label the wire routing, allocation and adjustment motor for each installation location prior to disconnecting the connector or removing an adjustment motor.
  • Refer to → Chapter "Left B-Pillar/Footwell Shut-Off Door Motor -V212-, Removing and Installing"

12 - Bolt

  • 1 Nm
  • Quantity: 2

13 - Operating Lever

  • Mark before removing (risk of interchange)

14 - Bolt

  • 1 Nm
  • Quantity: 2

15 - Left Rear Upper Body Vent Motor -V315-

  • To rule out confusion, clearly label the wire routing, allocation and adjustment motor for each installation location prior to disconnecting the connector or removing an adjustment motor.
  • Refer to → Chapter "Left Rear Upper Body Vent Motor -V315-"

16 - Rear Upper Body Vent Temperature Sensor -G537-

  • Check. Refer to Vehicle Diagnostic Tester in the "Guided Fault Finding" function
  • Removing and installing. Refer to → Chapter "Rear Upper Body Vent Temperature Sensor -G537-, Removing and Installing".

17 - Rear Fresh Air Blower Control Module -J391-

  • Ensure the correct allocation. Refer to the Parts Catalog.
  • To check. Refer to Vehicle Diagnostic Tester in the "Guided Fault Finding" function
  • Refer to → Chapter "Fresh Air Blower Control Module, Removing and Installing "

18 - Bolt

  • 2 Nm
  • Quantity: 2

Overview - Heater and A/C Unit Attachments and Air Intake Housing, Heater Core, "High" A/C System Section 1

Overview - Heater and A/C Unit Attachments and Air Intake Housing, Heater Core, "High" A/C System Section 1

1 - Air Duct

  • With recirculation doors and various levers
  • Do not disassemble further
  • Removing and installing. Refer to → Chapter "Rear Fresh Air Blower -V80-, Removing and Installing, High A/C System".

2 - Bolt

  • 1 Nm
  • Quantity: 2

3 - Operating Lever

  • Mark before removing (risk of interchange)

4 - Rear Recirculation Door Motor -V421-

  • To rule out confusion, clearly label the wire routing, allocation and adjustment motor for each installation location prior to disconnecting the connector or removing an adjustment motor.
  • Refer to → Chapter "Rear Recirculation Door Motor -V421-, Removing and Installing"

5 - Bolt

  • 1 Nm
  • Quantity: 2

6 - Operating Lever

  • Mark before removing (risk of interchange)

7 - Rear Heater and A/C Unit

  • Refer to → Chapter "Heater and A/C Unit, Removing and Installing, High A/C System"

8 - Bolt

  • 1 Nm
  • Quantity: 2

9 - Operating Lever

  • Mark before removing (risk of interchange)

10 - Bolt

  • 1 Nm
  • Quantity: 2

11 - Right Rear Temperature Control Door Motor -V314-

  • To rule out confusion, clearly label the wire routing, allocation and adjustment motor for each installation location prior to disconnecting the connector or removing an adjustment motor.
  • Refer to → Chapter "Right Rear Temperature Control Door Motor -V314-, Removing and Installing"

12 - Bolt

  • 1 Nm
  • Quantity: 2

13 - Right Rear Upper Body Vent Motor -V316-

  • To rule out confusion, clearly label the wire routing, allocation and adjustment motor for each installation location prior to disconnecting the connector or removing an adjustment motor.
  • Refer to → Chapter "Right Rear Upper Body Vent Motor -V316-"

14 - Operating Lever

  • Mark before removing (risk of interchange)

15 - Right B-Pillar/Footwell Shut-Off Door Motor -V211-

  • Refer to → Chapter "Right B-Pillar/Footwell Shut-Off Door Motor -V211-, Removing and Installing"
  • To rule out confusion, clearly label the wire routing, allocation and adjustment motor for each installation location prior to disconnecting the connector or removing an adjustment motor.

16 - Operating Lever

  • Mark before removing (risk of interchange)

17 - Left Rear Temperature Control Door Motor -V313-

  • To rule out confusion, clearly label the wire routing, allocation and adjustment motor for each installation location prior to disconnecting the connector or removing an adjustment motor.
  • Refer to → Chapter "Left Rear Temperature Control Door Motor -V313-, Removing and Installing"

18 - Bolt

  • 1 Nm
  • Quantity: 2

19 - Operating Lever

  • Mark before removing (risk of interchange)

20 - Bolt

  • 1 Nm
  • Quantity: 2

21 - Left Rear Upper Body Vent Motor -V315-

  • To rule out confusion, clearly label the wire routing, allocation and adjustment motor for each installation location prior to disconnecting the connector or removing an adjustment motor.
  • Refer to → Chapter "Left Rear Upper Body Vent Motor -V315-"

22 - Bolt

  • 1 Nm
  • Quantity: 2

23 - Left B-Pillar/Footwell Shut-Off Door Motor -V212-

  • To rule out confusion, clearly label the wire routing, allocation and adjustment motor for each installation location prior to disconnecting the connector or removing an adjustment motor.
  • Refer to → Chapter "Left B-Pillar/Footwell Shut-Off Door Motor -V212-, Removing and Installing"

24 - Operating Lever

  • Mark before removing (risk of interchange)

Overview - Heater and A/C Unit Attachments and Air Intake Housing, Heater Core, "High" A/C System Section 2

Overview - Heater and A/C Unit Attachments and Air Intake Housing, Heater Core, "High" A/C System Section 2

1 - Double Bolt

2 - Air Duct

  • With recirculation doors and various levers
  • Removing and installing. Refer to → Chapter "Rear Fresh Air Blower -V80-, Removing and Installing".

3 - Nut

  • 20 Nm

4 - Rear Fresh Air Blower -V80-

  • Ensure the correct allocation. Refer to the Parts Catalog.
  • To check. Refer to Vehicle Diagnostic Tester in the "Guided Fault Finding" function
  • Refer to → Chapter "Rear Fresh Air Blower -V80-, Removing and Installing"

5 - Coolant Supply Line

  • Incorporation of A/C system into coolant circuit. Refer to → Chapter "Rear Heating and A/C system, Incorporation in the Coolant Circuit, High A/C System".
  • Removing and installing. Refer to → Chapter "Heater Core, Removing and Installing".

6 - Coolant Return Line

  • Incorporating the heating and A/C system in the coolant circuit. Refer to → Chapter "Rear Heating and A/C system, Incorporation in the Coolant Circuit, High A/C System".
  • Refer to → Chapter "Heater Core, Removing and Installing".

  Note

The rear heat exchanger remains installed when removing the rear heater and A/C unit and heater and A/C unit. So that the coolant lines must not be removed, disconnect them from the heat exchanger. Refer to → Chapter "Heater and A/C Unit, Removing and Installing, High A/C System".

7 - Bracket for Coolant Pipes

  • Removed during removal of the heater and A/C unit (so that the heater core can be removed). Refer to → Chapter "Heater and A/C Unit, Removing and Installing, High A/C System".

8 - Bolt

  • 2 Nm

9 - Screw-Type Clamp

  • Replace after removing. Refer to the Parts Catalog.
  • Removing from the heater core and installing. Refer to → Chapter "Heater Core, Removing and Installing".

10 - O-Ring Seal

  • Replacing. Refer to the Parts Catalog.
  • Lubricate lightly with coolant before installation.

11 - Screw-Type Clamp

  • Replace after removing. Refer to the Parts Catalog.
  • Removing from the heater core and installing. Refer to → Chapter "Heater Core, Removing and Installing".

12 - O-Ring Seal

  • Replacing. Refer to the Parts Catalog.
  • Lubricate lightly with coolant before installation.

13 - Rear Heater Core

  • The bonded foam seal must not be damaged and must be bonded
  • Removing and installing. Refer to → Chapter "Heater Core, Removing and Installing".

14 - Air Intake Housing Upper Section

  • Removing and installing. Refer to → Chapter "Heater and A/C Unit, Removing and Installing, High A/C System".

15 - Evaporator (with Refrigerant Lines)

  • Check the glued-on foam seal. It must not be damaged and must be properly bonded.
  • Removing and installing. Refer to → Chapter "Evaporator, Removing and Installing".

16 - Air Intake Housing Lower Section

  • Removing and installing. Refer to → Chapter "Heater and A/C Unit, Removing and Installing, High A/C System".

17 - Foam Seal

  • pushed on the condensation water drain and on the rear fresh air blower drain

18 - Bolt

  • 2 Nm
  • Quantity: 9

19 - Rear Fresh Air Blower Control Module -J391-

  • Ensure the correct allocation. Refer to the Parts Catalog.
  • To check. Refer to Vehicle Diagnostic Tester in the "Guided Fault Finding" function
  • Refer to → Chapter "Fresh Air Blower Control Module, Removing and Installing "

20 - Bolt

  • 2 Nm

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