51 22 090 Removing and Installing/Replacing Door Lock In Left or Right Rear Door

51 22 090 Removing and installing/replacing door lock in left or right rear door







Special tools required:
- 51 2 190







Necessary preliminary tasks:
- Remove sound insulation







Unlock and disconnect plug connection (2) at lugs (1).
Unhook Bowden cable (3) from door lock (4).
Unclip lock knob control rod (5).







Unhook Bowden cable (1) from door lock (2).
If necessary, release cable holder on door lock (2).

Installation:
Bowden cable (1) must be correctly engaged in locators in door lock (2).
Bowden cable (1) must be laid without kinks in bend to door lock (2).

IMPORTANT: Door cannot be opened if Bowden cable (1) is incorrectly laid.







IMPORTANT: Do not damage door lock seal during removal.

Release screws (1).
Remove door lock (2) from inside.

IMPORTANT:
- To avoid leaking and electrical malfunction:
- Pull door lock (2) with special tool into corner (3), see Figs. R51 3381 and R51 7594.







Installation:
Seal (1) on door lock (2) must not be damaged.







Installation:
- Install door lock and insert screws (1), do not tighten down.
- Slide special tool 51 2 190 into opened rotary latch until latch engages in first stage.







Installation:
- Pretension door lock (1) with knurled screw (2) until special tool 51 2 190 just contacts corner points (3).

IMPORTANT:
- To tension door lock (1), it is only permitted to turn knurled screw (2) by a further 1 to 1.5 turns (max.) (risk of damage).
- Door lock seal must rest uniformly on inner door plate (water ingress).

- Tighten down door lock screws, tightening torque 51 22 1AZ.







Installation:
Check function of child lock (1) on door lock (2).