When is an air suspension defective?

The typical fault pattern of a defective air spring is always leakage.

This can be quickly recognised when the vehicle is no longer in balance, e.g. when it is parked overnight and you look the next morning. In most cases, a one-sided lower vehicle height can be detected.
This is the result of various environmental and ageing factors or high usage factors.
Dirt deposited in the roll fold of the air spring can quickly lead to cracks or even holes in the bellows. Excessive heat can also strain the stability of the bellows walls. If your vehicle is still equipped with the first air springs after well over 100,000 km, material fatigue is not surprising. The rubber becomes cracked and leads to leakage. Also, an unintended, incorrect ride height (too low / too high) can lead to the bellows being stressed unnecessarily and thus cause cracks to form in the rubber fabric.

Apart from conspicuous symptoms - such as hissing noises resulting from escaping air - there are also other indicators of a defective air spring. The leakage can be easily and quickly identified with a soap solution or leakage spray. While there is still air pressure in the air spring bellows, brush or spray the air spring components and check whether there are more air bubbles. Leaks in the air lines from the compressor to the spring bellows are also possible.

If the air spring is defective and you decide to replace it, however, many installation instructions must be observed. If these are not observed, a new defect of the spring bellows is pre-programmed!
  •     Air springs must not be installed in a distorted state!
  •     It is also essential to observe the target pressure specifications provided by the vehicle manufacturer
  •     Never let the vehicle leave the lift without a set pressure!
  •     Cut old air pipes only at a 90° angle, ideally with special tools
  •     Pay attention to the small parts supplied with the air spring (Voss valves, sealing ring holders, sealing rings, washers etc.) and replace them with

So find out in detail about the installation regulations for your vehicle model, or rely on the expertise of your specialist workshop.
Some manufacturers even offer installation instructions including videos, which are highly recommended for repair work.

Do you have any further questions? We are sure that we have prepared one or the other tip for you in our information area. Otherwise, please contact us!
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About Us
APART is the online specialist for passenger car air suspension air suspension technology. We offer the whole product range consisting of air suspension supply units, air suspension compressors, air springs, air bellows as well as accessories as valve blocks; relays air filters and installation manuals. APART offers his international customer base only highest-quality products from OEM manufacturers as for example AMK, Wabco, Bilstein, Dunlop, which as well deliver the same products to renowned manufactures from the automobile industry as Audi, BMW, Citroen, Jaguar, Land Rover, Mercedes Benz, Porsche, VW and others. Our logistics center, based in northern Germany, holds all items on stock and dispatches your goods on the same day if your order reaches us before 2 PM!

Our Products
APART offers the whole portfolio of products in the area of air suspension technology – from air suspension supply units, air suspension compressors to air springs, air bellows or even accessories as valve blocks, relays, filters and installation manuals.
Due to our commitment to quality you can only find original quality from OEM manufacturers as AMK, Wabco, Bilstein, Dunlop and others, as these products are as OEM goods also supplied to renowned
manufactures from the automobile industry as Audi, BMW, Citroen, Jaguar, Land Rover, Mercedes Benz, Porsche, VW and others. Only OEM products assure safety as well as durability, as you are legit to expect from these safety-relevant chassis parts. We do not accept compromises and therefore do not offer our customers inferior goods from China, as many competitors do.  On the basis of our market positioning we are able to provide you with these high-value products for a very attractive price, which some times is 50 % less compared to the ones from the automobile manufacturers.

Truck Parts
You are searching for truck parts made by Kongsberg or Wabco?
Visit our truck shop: www.apart-automotive.de

Our Mission
APART‘s Mission is to supply satisfied customers with OE-quality spare parts at a reasonable price level. A first-class customer service as well as a flawless handling hereby are the first priority for us!

This Is What We Stand For
Highest customer satisfaction ranks first! This is what our motivated team based in northern Germany aims for every day. Our team consists of colleagues with several decades of accumulated industry know-how.  As a result, we are convinced to consult you in the best possible way!
Our own expectation ist o offer our customer base new highest-quality products on a regular basis. That’s why we are constantly working on adding new OE-quality products to our online shop. Our product range of OEM manufacturers as AMK, Wabco, Bilstein, Dunlop and others demonstrates our philosophy of combining German premium quality with competitive and reasonable pricing for our customers. Moreover, we offer our customers a warranty of 2 years on items. For the delivery of our products we cooperate together with the leading logistics providers DHL and UPS.
Weiterhin bieten wir unseren Kunden eine Garantie von 2 Jahren. This enables a quick delivery of your air suspension products in which you can trust.

APART - Air Suspension Parts


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