The piston ring within your air compressor has worn down reducing it's output.
The ring has been manufactured from poor quality materials that causes the ring to wear down overtime. As the ring wears down the compressor will begin to over compensate eventually burning out the unit.
Noisy Compressor. Air suspension rising slowly or not raising at all. EAS faults. Suspension faults on OBD display. Pressure increasing slowly errors. Still suspension or stuck at one height.
C1A20, 5503, 5505, 5508, 1400,1772,1769,1400,1772,1577.
Stuck at level. Over temp. Suspension Failure. Level Error.
I6automotive has manufactured a cost effective solution. A brand new piston ring that is manufactured from uprated materials ensuring that this issue will never happen again. Our rings are manufactured to our own specifications so we can offer a lifetime warranty.
We have manufactured the custom seal shape aswell as a standard o-ring. If you're not sure what seal you require then not to worry as we supply both!
X1 Piston Ring
X1 Shaped Seal Ring X1 Standard Seal X2 Bolts X4 Zip Ties
Mercedes E Class - 2002-2009 W211
Audi A8,D3,4E Models between 2002-2010 Porsche Cayenne 2002-2010 Bmw E39 5 Series - 1997-2004 Land Rover Discovery II 2 1998-2004 VW Touareg 2002-2010 BMW X5 2000-2006 Land Rover Mk3 L322 2002-2005 - Please see our Hitachi kit for the later models. Audi AllRoad C5/C6 2000-2011 Mercedes S Class 1998 - 2005 W220
Official Compressor: Wabco: W0133-1939145, 78-10023 ON