51 23 400 Removing and Installing/Replacing Left or Right Actuator (Active Pedestrian Protection)
51 23 400 Removing And Installing/Replacing Left Or Right Actuator (Active Pedestrian Protection)
WARNING:
- Adhere to the following safety instructions so as to avoid a risk of injury by the actuator.
- The battery negative lead must be clamped off prior to work on the actuator or engine compartment lid.
- Do not exert any force on the actuator.
- Incorrect handling may result in triggering of the actuator and thereby cause serious injury.
IMPORTANT:
- After the actuator has been installed, retaining screws (1) must be removed.
- The retaining screws are required as aids to fitting the actuator.
- If the retaining screws are not removed after the actuator has been installed, active pedestrian protection will not function.
Procedure after actuator triggering:
Necessary preliminary tasks:
Disconnect battery negative lead Remove engine compartment lid Remove gas pressure spring.
Removing actuator
Remove resetter (1).
Release screws (2) and slowly raise actuator until plug on underside of actuator is accessible.
Pull lock (1) in direction of arrow.
Then press together plug locks on both sides and detach plug (2).
Installation:
Procedure after actuator triggering.
Installing actuator
Screw hinge upper section to hinge lower section.
To do so, insert M 8 retaining screws (1) and tighten down.
IMPORTANT: After the actuator has been installed, retaining screws (1) must be removed again.
Connect plug (1) to actuator.
Secure actuator screws (1).
Tighten screws hand-tight only.
Insert screws (1) and tighten down
Tightening torque 41 61 5AZ.
Tighten down screws (1).
Tightening torque 41 61 4AZ.
Fit resetter (2).
Remove retaining screws (1).
IMPORTANT:
- After the actuator has been installed, retaining screws (1) must be removed again.
- If the retaining screws are not removed after the actuator has been installed, active pedestrian protection will not function.
Seal holes of retaining screws with protective caps.
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