52 14 028 Replacing Backrest Release Cable For Front Left or Right Seat

52 14 028 Replacing backrest release cable for front left or right seat







Necessary preliminary tasks:
- Partially remove backrest cover
- Remove cover for outer fitting
- Remove inner cover
- Remove seat belt tensioner
- Disconnect airbag module plug connection
- Remove coupling gear







Detach Bowden cable from LVK module:
Lever out cable counter support (2).
Unhook Bowden cable nipple (1).







Unclip bracket for Bowden cable from backrest frame.







Remove toothed segment cover (1) as follows:
- Raise cover in upward direction
- Slide cover upwards and detach







NOTE: Before removing the backrest, it is essential to move the backrest forwards:

Pull Bowden cable (1) and press backrest forwards.







Tunnel side:
Release screw (1).

Installation note:
Screw (1) must be replaced.

Tightening torque 52 10 07AZ.







Door side:
Release nut on opposite side from stud (1).
Drive out stud (1) with plastic mallet.

Installation note:
Stud (1) and nut must be replaced.

Tightening torque 52 10 08AZ.







Remove backrest frame from seat mechanism as follows:
Lever tunnel-side backrest frame with screwdriver over bushing.
Then remove backrest frame in upward direction by pulling with alternate movements.
Tunnel-side plastic bushing (1) must not be damaged.







Disengage return spring (1).

Installation note:
Replace return spring (1).

NOTE:
Cover working area.
Do not allow any chips to get into the seat and backrest mechanisms.

Mark rivet (2) with centre punch and drill out.







Lever out cover (1) with screwdriver.







Installation note:
Before fitting kinematic assembly, apply a thin coating of grease to contact surface.







Installation note:
Engage return spring (1) before screwing kinematic assembly into place.







Installation note:
Rivet is replaced by a stud.
Nut must be screwed on on inside of backrest.
Lug (3) of kinematic assembly must be positioned next to stop (2).
Screw on kinematic assembly.
Tightening torque: 52 10 09AZ.
Check kinematic assembly for freedom of movement.







Installation note:
Press cover (1) with positioning pin onto backrest frame.







Overview of finish-assembled (new) Bowden cable from spare part kit.







Backrest mounting on door side:
1. Install door-side backrest link (1).
2. Backrest link (1) must be joined centrally on blocking cam (2).
3. Connect stud and tighten nut hand-tight.







Backrest mounting on tunnel side:
1. Install tunnel-side backrest strut.

IMPORTANT: Plastic bushing must not be damaged

2. Tighten screw hand-tight.

NOTE: Tighten down stud and screw only after mounting backrest on both sides.

Tightening torque:
- Stud on door side: 52 10 08AZ.
- Screw on tunnel side: 52 10 07AZ.







Installation note:
Install toothed segment cover (1).
Make sure Bowden cable is in correct position along spacer
Assemble LVK module and front seat.