![]() To answer your question there are 2 wires for the power of the compressor so any one of them should work I guess if one wanted to find a way to retrofit a unit. They have smaller versions that are 150 or 175psi with plenty of air flow.I read somewhere that the system works with up to 16bars of pressure, I think the new compressor got it up to 14.9bar for me. Pretty quiet for 3-4CFM, 200psi capable air compressors. I wonder if a Viair C-model would work for these? We use the 444C dual-pack on trucks we build at work, and they are very good. Our item is made from PTFE which has far superior wear resistance compared to the OEM part providing a permanent fix to the problems with your compressor. Simply install our replacement PTFE piston ring and restore your compressor, full instructions are included to guide you through this simple process which should take under 30 minutes. The piston ring within the compressor unit of your air suspension system deteriorates over time, the OEM piston ring is made from a soft plastic that wears quickly, this wear substantially reduces the output of your compressor leading to noisy, slow rising or non-rising suspension.įit our improved design PTFE piston ring and restore your compressor to full health! The poor quality piston ring within your air suspensions compressor wears over time causing these symptoms. The piston ring within your vehicles EAS air compressor is worn reducing output significantly. We also sell the Air dryer repair kit on its own (check listings in our store). Replacing the piston seal & air dryer filtration components within your compressor can restore air flow output, replacing the air dryer filtration components keeps moisture out of the vehicle air suspension system potentially avoiding other issues and at the same time reduce the demand placed upon the piston seal /mechanical/electrical components on the compressor. Wabco-Air-Suspension-Compressor-Piston-Ring-Seal-RĪssociated part numbers, our kit will only repair Wabco compressors. Replaced the worn out piston ring with the ring from the kit (BLACK) I found a number of videos that walk you through how to remove and reinstall the compressor and how to do the upgrade. Wabco sells a repair kit for the Q7/Touareg/ Cayenne compressors.Īs far as Step/Step instructions go, YouTube is your best friend. I noticed that the system pumps up much faster now, compared to before which was a lengthy process, guessing this is due to wet dryer *(hard for air to pass through ) and a piston ring which was not compressing air very well. With the new beads replace and the new piston ring, the CEL went away on its own. No wonder the valve block stops working intermittently. That moisture was and is for sure in the vehicle airlines as well. The case was wet and had moisture on its walls. Things to note: Desiccant Beads inside the dryer were wet/dark. ![]() So I bought the kit and decided to fix my Air Compressor. ( ) Someone refurbished the dryer on the compressor. Looking online I found this from a Russian DRIVE.RU website. Upon resetting the Group 34 Level control the system functions with no issues which led me to believe that the valve block is perfectly fine however it could have some moisture inside the system which is causing the problems. It appears to go away when it becomes warmer than 38F but for the most part, the problem is there all along.ĬEL Code = 02645 - Valves for Level Control System - Mechanical Failure - Intermittent. This started to become a problem once the temps outside started to dip below 30F. My Q7 started to have the dreaded FLASHING Yellow Suspension Light along with the TPMS. I live outside the city where the roads are mostly dirt for reference. I am located in the northern Detroit area, between Flint and Detroit. ![]() I own a 2014 Q7 TDI with the optional Air Suspension.
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