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Instructions on how to
Replace Strut Mounts

The top fastening of the suspension strut is attached to the chassis via the strut mount – also known as the suspension strut mount. Since the strut mount must have both a damping force and a rotatable mounting for unhindered steering resetting, there are strict requirements for its function and wear resistance. Checking the strut mounts on a regular basis will ensure the vehicle is safe.

A worn or defective strut mount can be recognized by various symptoms. These include:
• Squeaking during spring movements of the chassis
• Poor cornering
• Crackling noises during steering wheel movements
• Restricted resetting of the steering after cornering
• Knocking sounds when driving over uneven surfaces

If the suspension strut mount has been checked and a defect has been detected, it should be replaced as described below. Like other chassis components, suspension strut mounts should always be replaced in pairs.

The top fastening of the suspension strut is attached to the chassis via the strut mount – also known as the suspension strut mount. Since the strut mount must have both a damping force and a rotatable mounting for unhindered steering resetting, there are strict requirements for its function and wear resistance. Checking the strut mounts on a regular basis will ensure the vehicle is safe.

A worn or defective strut mount can be recognized by various symptoms. These include:
• Squeaking during spring movements of the chassis
• Poor cornering
• Crackling noises during steering wheel movements
• Restricted resetting of the steering after cornering
• Knocking sounds when driving over uneven surfaces

If the suspension strut mount has been checked and a defect has been detected, it should be replaced as described below. Like other chassis components, suspension strut mounts should always be replaced in pairs.

Step by step: Replacing a strut mount

  • Step 1 – Remove the wheels.

    1. First, raise the vehicle using a two-pillar hoist and remove the wheels from the axle.

    1. First, raise the vehicle using a two-pillar hoist and remove the wheels from the axle.

  • Step 2 – Remove the suspension strut and clamp the fixture.

    2. Remove the suspension strut according to the vehicle manufacturer's specifications and clamp it in an appropriate fixture.
    WARNING: Risk of serious injury caused by the sudden release of springs. Always use a suitable spring tensioner.

    2. Remove the suspension strut according to the vehicle manufacturer's specifications and clamp it in an appropriate fixture.
    WARNING: Risk of serious injury caused by the sudden release of springs. Always use a suitable spring tensioner.

  • Step 3 – Compress the suspension spring using a spring tensioner.

    3. Compress the suspension spring using a spring tensioner until it is released from the seat of the suspension strut mount.

    3. Compress the suspension spring using a spring tensioner until it is released from the seat of the suspension strut mount.

  • Step 4 – Remove the nut on the damper connecting rod.

    4. The nut on the damper connecting rod can now be removed. To do this, the connecting rod must be held securely using a suitable tool. Then the old strut mount can be removed.

    4. The nut on the damper connecting rod can now be removed. To do this, the connecting rod must be held securely using a suitable tool. Then the old strut mount can be removed.

  • Step 5 – Position the new strut mount in its installation position.

    5. Position the new strut mount in its installation position. In doing so, check in particular that the lower part of the mount is seated correctly on the suspension spring.

    5. Position the new strut mount in its installation position. In doing so, check in particular that the lower part of the mount is seated correctly on the suspension spring.

  • Step 6 – Fit the bolts and fastening components.

    6. Fit all bolts and fastening components and tighten the lock nuts to the torque specified by the vehicle manufacturer.

    6. Fit all bolts and fastening components and tighten the lock nuts to the torque specified by the vehicle manufacturer.

  • Step 7 – Carefully release the spring tensioner.

    7. The spring tensioner can now be carefully released. In the process, continue to check that the suspension spring is placed on the strut mount and on the suspension strut plate correctly.

    7. The spring tensioner can now be carefully released. In the process, continue to check that the suspension spring is placed on the strut mount and on the suspension strut plate correctly.

  • Step 8 – Refit the suspension strut in the vehicle.

    8. Now the entire suspension strut can be removed from the holder and refitted in the vehicle.

    8. Now the entire suspension strut can be removed from the holder and refitted in the vehicle.

  • Step 9 – Refit the wheels.

    9. Then refit the wheels and perform a full wheel alignment. Finally, carry out a test drive.

    9. Then refit the wheels and perform a full wheel alignment. Finally, carry out a test drive.

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These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance.