691119 Removing and installing front three-point belt
WM 691119 Removing and installing front three-point belt
Technical values
Removing front three-point belt
CAUTION
Danger of injury and damage to property as a result of incorrect handling of belt tensioner units. Always observe the safety regulations for handling belt tensioner units. -> 69 Safety regulations for vehicles with airbag and belt tensioner
- If removed for an extended period, the belt tensioner unit must be kept in a secure location.
- The belt tensioner unit must be transported and stored so that the seat belt can safely retract if it should be actuated.
- Remove ignition key. Disconnect battery. Route or isolate ground strap so that all contact with a ground carrier (e.g. body, seat frame) is avoided. -> 90 Work instructions after disconnecting the battery.
- After the battery is disconnected, always wait for 1 minute before disconnecting the belt tensioner plugs.
1. Remove inner sill. -> 680519 Removing and installing inner sill - "Removing" section
2. Pull out seat belt cover at front -A- and remove towards the front -B-.
3. Unlock retainer clip on the belt end mount with an appropriate screwdriver arrow -arrow A-.
4. Push belt end mount over the retaining pins -arrow B- until the locking tab relaxes the clip underneath the retaining pin.
5. Remove belt end mount from the retaining pin -arrow A- and pull seat belt out through the belt guide -arrow B-.
6. Remove the fastening screw -1- of the top belt lug.
7. Twist the top belt lug -arrow A- and push downwards behind the holder -arrow B-.
8. Pull out belt buckle -C- with belt end mount -D- towards the bottom.
9. Release -arrow A- and remove -arrow B- socket from the clip.
10. Press down the protective cover on the plug -arrow A- and maintain in this position.
11. Release -arrow B- and pull off -arrow C- plug.
12. Unscrew fastening screw -2- on the belt reel. Left belt reel -arrow A- , disengage towards the back -arrow B- and remove upwards -arrow C-.
Installing front three-point belt
CAUTION
Safety-related bolts.
- Always replace fastening screws of the three-point belt after customer service and reworking.
- Never make alterations to the micro-encapsulated screws, which have a negative effect on the bond (e.g. using lubricant, loosening bolts and screwing them down again).
1. Position belt reel in the mounting opening -A- , ensuring that the threaded bore is aligned with the thread.
2. Tighten belt reel with the fastening screw -2-. => Tightening torque: 50 Nm (37 ftlb.)
Information
- Do not twist the three-point belt when installing.
3. Push through belt end mount -A- and belt buckle -B- upwards behind the holder.
4. Turn belt lug -arrow C- and push it upwards behind the holder -arrow D-.
Information
- Once the fastening screw has been tightened, the belt lug must level out on its own in a vertical position or in the relevant support direction.
5. Fasten belt lug on the vertical adjustment device with the fastening screw -1-. => Tightening torque: 37 ftlb.
Information
- When routing the electric wires, ensure that they are not routed through the belt-coiling area.
6. Insert plug -arrow A- until the lock -B- is felt to engage.
7. Push socket onto the clip -arrow A- until it clicks into place -arrow B-.
8. Push seat belt through the belt guide on the seat -arrow A-.
9. Position belt end fitting on the retaining pin -arrow B- and pull upward -arrow C- until the retaining clip locks with an audible click.
10. Engage seat belt cover at seat trim -arrow A- and push in -arrow B- until it can be felt to engage.
11. Install inner sill. -> 680519 Removing and installing inner sill - "Installing" section
Carry out work instruction after disconnecting the battery. -> 90 Work instructions after disconnecting the battery.
12. Perform a function test.
- The belt strap must be fully rolled up when the function test is started.
- Move the seat belt height adjustment to the highest position.
- Pull out belt strap completely as far as it will go.
- Roll up the belt strap again slowly. An audible clattering noise can be heard when you do this.
- If the rolling-up process is interrupted, the belt strap cannot be pulled out again (permanent belt blockage).
- The permanent belt blockage feature must be disabled at least 100 mm before the belt strap is completely rolled up in order to ensure that the belt strap can be pulled out again.