Risk of preload in multilink suspensions

A multilink suspension set up has at least 3 lateral bars and one vertical or longitudinal. Premium car brands often use this system. The advantage is that it allows smooth driving. On the other side, the system is more complex to replace parts leading to incorrect installations, with preload for instance.

How preload affects silent blocks

When replacing a track control arm in the multilink suspension, the silent block should be carefully mounted. A silent block that’s being installed in the wrong way when the parts are not tightened at the right moment or not in the right torque results in an installation with preload.

Failing parts due to preload

Preload will lead to a silent block getting prematurely and completely worn out. When the silent block rubber is turned in a certain angle, this will cause ruptures in the rubber and result into failure of the part. As a result the part will break and the track control arm will no longer perform as it should. The consequence is that the car will have bad road handling, vibrations and knocking noises, or possibly loss of control.

How to install the track control arm without preload?

Let’s go over the steps on how to replace the track control arm with the silent block in the correct way.

Check the video about preload

Why choose Sidem?

Part of being an expert is knowing which steering and suspension brands to trust and choose from. Sidem is a 100% European and leading manufacturer with headquarters in Belgium and has its own production facility in Romania. Over 3 million parts are continuously available from stock in Sidem’s warehouse and our global activities mean that we are always nearby. By investing heavily in our fully automated distribution centre, products are shipped very quickly to more than 90 countries worldwide. Sidem is Europe’s longest-existing supplier of chassis parts founded more than 85 years ago, in the year 1933. Thanks to our strong teams and our year-long experience the family business can pride itself on family values and in-depth know-how when it comes to steering and suspension parts. As a result, OE brands also appreciate our approach.  That is why brands such as Porsche and Ford rely on Sidem for steering and suspension parts. We are proud to say that Sidem covers the most complete range of car brands and models in the aftermarket with no less than 9 000 unique references.

Find out more about the company Sidem

We have parts for 90% of all European and Asian cars

 

 

We do not focus on 1 car brand. Sidem produces parts for a large variety of all car brands.

Find in the list below a selection of popular brands for which we have ball joints, track control arms, tie rod ends, axial joints, silent blocks and strut mounts for.
Find ball joints for  ALFA ROMEO
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