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System pressure test for DRC II > < Central valve and pipe connections for suspension struts

A4 Cabriolet Mk2

Fault-finding for DRC II
Fault-finding for DRC II
   
Start
Rattling noise coming from suspension or rear of vehicle when driving over rough surfaces Excessive body roll when entering a bend
→Visible fluid leakage?←
 ↓ ↓ 
t  Check components
t  Check shock absorbers, pipes and unions at central valves
t  Renew leaking shock absorbers
← Yes No →Check shock absorbers, pipes and all unions at central valves
↓  ↓
↓Problem eliminated?
↓↓↓
↓No ↓Yes ↓
↓Check system pressure in both sections of system. (Central valves must be closed when connecting and disconnecting pressure tester.)↓
↓ ↓↓
↓ System pressure higher than 12.0 bar?↓
↓ No ↓Yes ↓↓
Drain, evacuate and charge the entire DRC section using filling device for DRC system -VAS 6544-; check for leakage → Chapter.↓↓
↓↓↓
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End

   

System pressure test for DRC II > < Central valve and pipe connections for suspension struts