52 13 070 Removing and installing/replacing seat angle adjuster (normal/manual) on left or right front seat
Special tools required:
- 51 2 100
Necessary preliminary tasks:
- Remove front seat. See 52 13 000 Removing and installing left or right front seat (normal/manual)
- Remove actuating unit. See Actuating unit version (A):
WARNING:
Torsion bar spring (1) is subject to tension. Risk of injury.
Lever torsion bar spring (1) with special tool 51 2 100 in direction of arrow from seat angle adjuster.
Feed torsion bar spring (1) out of seat mechanism.
Installation:
Make sure plastic protector is correctly positioned on contact surface between torsion bar spring and seat mechanism (grating noises).
Release screws (1).
Installation:
Replace Taptite screws (1).
Tightening torque. Refer to SEATS - TIGHTENING TORQUES - 3-SERIES .
Release screw (2).
Tightening torque. Refer to SEATS - TIGHTENING TORQUES - 3-SERIES .
Remove seat angle adjuster (3).
Installation:
Slide left and right O-rings onto shaft. Make sure O-rings are correctly located between seat angle adjuster and seat pan.