Audi A6 Typ 4G: Overview - Rear Seat Backrest

Component Location Overview - Electric and Electronic Components

1 - Left Rear Backrest Heating Element -Z11-

• Front passenger side: Right Rear Backrest Heating Element -Z13-
• Allocation. Refer to the Parts Catalog.
• Heating element sewn into backrest cover; if faulty, replace backrest cover. Refer to → Chapter "Cover and Cushion, Separating".

2 - Driver Side Rear Seat Right Backrest Bolster Heating Element -Z87-

• Front passenger side: Passenger Side Rear Seat Right Backrest Bolster Heating Element -Z91-
• Allocation. Refer to the Parts Catalog.
• Heating element, removing and installing. Refer to → Chapter "Backrest Heating Element, Removing and Installing, Multi-contour Seat".

3 - Valve Block 3 In Driver Side Rear Seat -N525-

• For massage mat
• Front passenger side: Valve Block 3 In Passenger Side Rear Seat -N526-
• Allocation. Refer to the Parts Catalog.
• Removing and installing. Refer to → Chapter "Massage Mat Valve Block, Removing and Installing".

4 - Valve Block 1 in Driver Side Rear Seat -N479-

• Front passenger side: Valve Block 1 in Passenger Side Rear Seat -N481-
• Allocation. Refer to the Parts Catalog.
• Removing and installing. Refer to → Chapter "Valve Block 1 in Driver Side Rear Seat -N479-/Valve Block 1 in Passenger Side Rear Seat -N481-, Removing and Installing".

5 - Driver Side Rear Seat Adjustment Control Module -J876-

• Front passenger side: Passenger Side Rear Seat Adjustment Control Module -J877-
• Allocation. Refer to the Parts Catalog.
• Removing and installing. Refer to → Chapter "Seat Adjustment Control Module, Removing and Installing, Multi-contour Seat".
• Press on until it engages audibly

6 - Left Rear Multi-contour Seat Compressor -V441- with the Integrated Driver Side Rear Multi-contour Seat Control Module -J875-

• Front passenger side Right Rear Multi-contour Seat Compressor -V442- with the integrated Passenger Side Rear Multi-contour Seat Control Module -J874-
• Allocation. Refer to the Parts Catalog.
• Removing and installing. Refer to → Chapter "Compressor with Multi-contour Seat Control Module, Removing and Installing".

7 - Rear Side Airbag with Driver Side Rear Thorax Airbag Igniter -N201-

• Front passenger side: rear side airbag with Passenger Side Rear Thorax Airbag Igniter -N202-

  WARNING

Follow all Safety Precautions when working with pyrotechnic components. Refer to → Chapter "Pyrotechnic Components Safety Precautions".

• Overview. Refer to → Chapter "Overview - Rear Side Airbag, Market-Specific".

8 - Valve Block 2 in Driver Side Rear Seat -N480-

• For massage mat
• Front passenger side: Valve Block 2 in Passenger Side Rear Seat -N482-
• Allocation. Refer to the Parts Catalog.
• Removing and installing. Refer to → Chapter "Massage Mat Valve Block, Removing and Installing".

9 - Driver Side Rear Seat Left Backrest Bolster Heating Element -Z86-

• Front passenger side: Passenger Side Rear Seat Left Backrest Bolster Heating Element -Z90-
• Allocation. Refer to the Parts Catalog.
• Heating element, removing and installing. Refer to → Chapter "Backrest Heating Element, Removing and Installing, Multi-contour Seat".

10 - Left Rear Seat Backrest Blower Fan -V273-

• Front passenger side: Right Rear Seat Backrest Blower Fan -V272-
• Allocation. Refer to the Parts Catalog.
• Removing and installing. Refer to → Chapter "Rear Seat Backrest Fan, Removing and Installing".

Overview - Rear Seat Backrest, Standard Seat/Sport Seat

Divided Rear Seat Backrest

  Note

The rear seat backrests in the Sedan are illustrated.

1 - Center Support

• Removing and installing. Refer to → Chapter "Mount/Sleeve/Pins, Removing and Installing, Rear Seat Backrest".

2 - Screws

• 20 Nm
• Quantity: 4

3 - Inner Mounting Pin

• 13.5 Nm
• For the rear seat backrest
• Quantity: 2
• Removing and installing. Refer to → Chapter "Mount/Sleeve/Pins, Removing and Installing, Rear Seat Backrest".

4 - Rear Center Armrest

Vehicles with:

• With pass-through door
• With storage compartment

• Overview. Refer to → Chapter "Overview - Center Armrest".

5 - Right 2/3 Rear Seat Backrest

Vehicles with:

• Backrest release - only Avant
• Backrest heater
• Pass-through

• Removing and installing. Refer to → Chapter "Divided Rear Seat Backrest, Removing and Installing".

6 - Bolt

• 3 Nm
• For the correct tightening specification for vehicles with side airbags. Refer to → Chapter "Overview - Rear Side Airbag".

7 - Side Cushion

Vehicles with:

• Rear side airbag

• Removing and installing. Refer to → Chapter "Side Cushion, Removing and Installing".
• Engage in the seat belt guide at the top first

8 - Right Head Restraint

• Removing and installing. Refer to → Chapter "Headrest, Removing and Installing, Standard/Sport Seat".

9 - Rear Center Belt Guide

• Only with 3-person rear seat
• Replace the entire belt guide if damaged.
• Removing and installing. Refer to → Chapter "Rear Seat Belt Guide in Rear Seat Backrest, Removing and Installing".

10 - Headrest in the Center

• Only with 3-person rear seat
• Removing and installing. Refer to → Chapter "Headrest, Removing and Installing, Standard/Sport Seat".

11 - Cover

• For The center bracket
• Press on until it engages audibly

12 - Bolt

• 9 Nm

13 - Left Head Restraint

• Removing and installing. Refer to → Chapter "Headrest, Removing and Installing, Standard/Sport Seat".

14 - Trim

• For locking with locking cylinder
• Removing and installing. Refer to → Chapter "Locking Mechanism Trim, Removing and Installing".
• Press on until it engages audibly

15 - Locking Mechanism

• For the rear seat backrest
• Quantity: 2
• Removing and installing. Refer to → Chapter "Rear Seat Backrest Locking Mechanism, Removing and Installing".

16 - Left 1/3 Rear Seat Backrest

Vehicles with:

• Backrest release - only Avant
• Backrest heater

• Removing and installing. Refer to → Chapter "Divided Rear Seat Backrest, Removing and Installing".

17 - Outer Bearing Sleeve

• Quantity: 2
• Removing and installing. Refer to → Chapter "Mount/Sleeve/Pins, Removing and Installing, Rear Seat Backrest".
• Press on until it engages audibly

18 - Securing Bracket

• For the center bracket
• Removing and installing. Refer to → Chapter "Divided Rear Seat Backrest, Removing and Installing".

Fixed Rear Seat Backrest

1 - Fixed Rear Seat Backrest

• Removing and installing. Refer to → Chapter "Rear Seat Backrest, Fixed, Removing and Installing".

2 - Head Restraint

• Removing and installing. Refer to → Chapter "Headrest, Removing and Installing, Standard/Sport Seat".

3 - Mounts

• mounted to the body with rivets

4 - Bolt

• 30 Nm
• Quantity: 3

5 - Rear Panel Trim

• Removing and installing. Refer to → Chapter "Luggage Compartment Rear Trim Panel, Removing and Installing".

6 - Rear Center Armrest

• Overview. Refer to → Chapter "Overview - Center Armrest, Fixed Rear Seat Backrest".

7 - Bolt

• 33 Nm
• Quantity: 2

Overview - Rear Seat Backrest, Super Sport Seat

1 - Screws

• 20 Nm
• Quantity: 4

2 - Center Support

• Removing and installing. Refer to → Chapter "Mount/Sleeve/Pins, Removing and Installing, Rear Seat Backrest".

3 - Securing Bracket

• For the center bracket
• Removing and installing. Refer to → Chapter "Divided Rear Seat Backrest, Removing and Installing".

4 - Bolt

• 9 Nm

5 - Inner Mounting Pin

• 13.5 Nm
• For the rear seat backrest
• Quantity: 2
• Removing and installing. Refer to → Chapter "Mount/Sleeve/Pins, Removing and Installing, Rear Seat Backrest".

6 - Rear Center Armrest

Vehicles with:

• With pass-through door
• With storage compartment

• Overview. Refer to → Chapter "Overview - Center Armrest".

7 - Right 2/3 Rear Seat Backrest

Vehicles with:

• Backrest heater
• Pass-through

• Removing and installing. Refer to → Chapter "Divided Rear Seat Backrest, Removing and Installing".

8 - Bolt

• 3 Nm
• For the correct tightening specification for vehicles with side airbags. Refer to → Chapter "Overview - Rear Side Airbag".

9 - Side Cushion

Vehicles with:

• Rear side airbag

• Removing and installing. Refer to → Chapter "Side Cushion, Removing and Installing".
• Engage in the seat belt guide at the top first

10 - Right Head Restraint

• Removing and installing. Refer to → Chapter "Headrest, Removing and Installing, Super Sport Seat".

11 - Left Head Restraint

• Removing and installing. Refer to → Chapter "Headrest, Removing and Installing, Super Sport Seat".

12 - Trim

• for locking
• Removing and installing. Refer to → Chapter "Locking Mechanism Trim, Removing and Installing".
• Press on until it engages audibly

13 - Locking Mechanism

• For the rear seat backrest
• Removing and installing. Refer to → Chapter "Rear Seat Backrest Locking Mechanism, Removing and Installing".

14 - Left 1/3 Rear Seat Backrest

• Removing and installing. Refer to → Chapter "Divided Rear Seat Backrest, Removing and Installing".

15 - Outer Bearing Sleeve

• Quantity: 2
• Removing and installing. Refer to → Chapter "Mount/Sleeve/Pins, Removing and Installing, Rear Seat Backrest".
• Press on until it engages audibly

Overview - Rear Seat Backrest, Multi-contour Seat

1 - Bolt

• 45 Nm

2 - Multi-contour Seat

• Removing and installing. Refer to → Chapter "Rear Seat Backrest, Removing and Installing, Multi-contour Seat".

3 - Headrest

• Removing and installing. Refer to → Chapter "Headrest, Removing and Installing, Multi-contour Seat".

4 - Rivet

• Quantity 20
• Rivet using the Pop Rivet Pliers -VAG1753B-

5 - Bolt

• 8 Nm
• Quantity: 2

6 - Retaining Bracket

• for the rear seat backrest
• Welded to the rear panel

7 - Rear Bulkhead

• Removing and installing. Refer to → Chapter "Rear Seat Backrest Rear Panel/Mount, Removing and Installing, Multi-contour Seat".

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