Operation CHARM: Car repair manuals for everyone.

Replacing Front Axle Spring Actuator (Accumulator)

Replacing Front Axle Spring Actuator (Accumulator)






NOTE: Numbers in parentheses ( ) indicate a component or tool in the associated illustration.

WARNING:
^ Risk of Injury to skin or eyes due to hydraulic fluid spraying out under high pressure
^ Risk of poisoning due to consuming hydraulic fluid


NOTE:
^ Before starting work on the hydraulic system, depressurize the system
^ Wear protective clothing and safety gasses

REMOVAL
1. Remove front wheels
2. Remove cover in wheelhouse
3. Empty pressure oil system at front axle
4. Disconnect pressure lines (S1, P4) at spring actuator (14)
5. Unscrew nuts (14f) and remove spring actuator (14) from bracket (14e)

INSTALLATION
Reverse procedure to install, noting the following:
- Always replace self-locking nuts and bolts

WARNING:
^ Risk of injury from drilling gas filled units or components (gas fill is not inflammable)
^ Wear safety glasses and safety mask


- Dispose of spring actuator, refer to Disposal Of Spring Actuator (Accumulator)
- Tighten pressure line of level control/ADS to spring actuator as follows:
- 10 x 1 mm line: 14 Nm
- 16 x 1.5 mm line: 30 Nm
- Tighten nut for attaching spring actuator to bracket to: 10 Nm