Torsion Bar
Torsion Bar
Special tools, testers and auxiliary items required
• Bracket (2024 A /1)
• Handle hold driveshaft flange (3145)
• M10x30 bolt and nut
Removing
• Follow all safety precautions when working on pyrotechnic components. Refer to => [ Pyrotechnic, Electrical and Mechanical Restraint System Components, Safety Precautions and Testing Procedures ] Testing and Inspection.
• Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must "discharge static electricity". For example, by briefly touching the door striker pin.
Adjust the front seat so that it is in the highest position. This reduces the spring force when removing and installing the torsion bar and the risk of damaging the threaded connections between upper/lower frames of the seat pan.
- Remove the front seat:
• Manual standard seat/Sport seat, refer to => [ Standard Seat and Sport Seat, Manual ] Standard Seat and Sport Seat, Manual.
• Power Standard seat/power Sport seat/Super sport seat as well as multicontour seat, refer to => [ Power Standard Seat/Sport Seat/Super Sport Seat ] Power Standard Seat/Sport Seat/Super Sport Seat.
- Attach front seat to the fixture for seat repair (VAS 6136). Refer to => [ Installing Front Seat on Fixture for Seat Repair VAS 6136 ] Installing Front Seat on Fixture For Seat Repair VAS 6136.
- Remove backrest:
• Manual or power Standard seat/Sport seat/Super Sport seat:=> [ Backrest ] Backrest.
• Multicontour seat: => [ Backrest ] Backrest.
- Loosen the threaded connection - 3 - on the front seat belt latch - 1 -.
- Move the front seat belt latch downward.
• Ignore - 2 -.
The torsion bar exerts considerable spring force. Be absolutely sure to comply with the bullet points below to avoid injury:
• Always remove and install the torsion bar in the sequence described and only using the tools specified.
• Never use pliers and other levers.
• Do not stand directly in front of the torsion bar when removing and installing it. Stand off to the side.
- Prevent the bracket from spreading (2024 A /1) using the M10 x 30 bolt - 3 - and nut.
- Mount the handle hold driveshaft flange (3145) and bracket (2024 A /1) to the torsion bar - 1 -.
2 Seat pan
- Carefully turn torsion bar - 1 - until it can be detached using a screwdriver from the slot - arrow - of the seat pan.
- Relieve the tension of the torsion bar and remove it from the seat pan - 2 -.
Installation
The torsion bar exerts considerable spring force. Be absolutely sure to comply with the bullet points below to avoid injury:
• Always remove and install the torsion bar in the sequence described and only using the tools specified.
• Never use pliers and other levers.
• Do not stand directly in front of the torsion bar when removing and installing it. Stand off to the side.
- Slide the torsion bar - 1 - into the mount until the end - arrow - comes into contact with the seat pan - 2 -.
- Make sure that the torsion bar - 2 - correctly sits in the bracket - arrow - of the seat pan - 1 -.
- Prevent the bracket from spreading (2024 A /1) using the M10 x 30 bolt - 3 - and nut.
- Mount the handle hold driveshaft flange (3145) and bracket (2024 A /1) to the torsion bar - 1 -.
- Carefully turn torsion bar - 1 - until it can be hooded in the slot - arrow - of the seat pan.
Installation is performed in reverse order of removal, noting the following:
• Follow all safety precautions when working on pyrotechnic components. Refer to => [ Pyrotechnic, Electrical and Mechanical Restraint System Components, Safety Precautions and Testing Procedures ] Testing and Inspection.
• Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must "discharge static electricity". For example, by briefly touching the door striker pin.
• Observe all measures when installing the front seat. Refer to => [ Power Standard Seat/Sport Seat/Super Sport Seat ] Power Standard Seat/Sport Seat/Super Sport Seat.
Information for installation: for example tightening specifications, replacing body parts, refer to => [ Torsion Bar Assembly Overview ] Torsion Bar Assembly Overview.