52 14 030 Removing and Installing/Replacing Backrest Frame on Left or Right Front Seat

52 14 030 Removing and installing/replacing backrest frame on left or right front seat







Necessary preliminary tasks:
- Remove backrest cover
- Remove backrest release
- Remove microswitch.
- Remove coupling gear







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







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.







Replacement only:
Remove inertia reel unit.
Remove lumbar cushion and valve housing/drive unit on front seat.