W109 air suspension part 4. Air unit build to suitcase.
I then decided that the suspension control, compressor and air tank would be built in a suitable suitcase. The picture already shows the almost finished result. The story continues below the picture. To attach the parts to the suitcase , a chipboard frame was made. The partitions provide a suitable air circulation to the compressor …. Read More
W109 Air Suspension Control Update Part 2. Height Sensors for Front Axle.
The original air suspension front axle height control valves position and location was chosen as the location of the new height sensors: mounting brackets under the engine suspension rubbers. There was no need for additional holes, and the sensor rod lower joint can be fixed in its original position. The sensor has a lot of …. Read More
ABC-Suspension Pressure Pump Replacement Part 1.
ABC (Active Body Control) suspension has long been the subject of a general “avoid” stigma. It is, of course, true that the system is interestingly complex and when malfunctioned and worn, guaranteed to be fault magnet. But I have to say that being in good condition is a pretty great system. It just happened that, …. Read More
W109 Air Suspension Control Update Part 1. Hardware Selection and Purchase.
The W109’s original air suspension control is highly functional and precise. It also has two driving heights and you can easily “tune” the heights as you prefer . The only problem with steering is that its repairs are hopelessly expensive. Repairs require special parts and experience. Several articles have been written on the web. I …. Read More