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HOMESERVICE MANUALSAUDI2025A4 ALLROAD PREMIUM PLUSREPAIR AND DIAGNOSIS (SINGLE PAGE)SUSPENSIONELECTRONIC SUSPENSIONLEVEL CONTROL SYSTEM43 LEVEL CONTROL SYSTEMDYNAMIC RIDE CONTROL (DRC)DYNAMIC RIDE CONTROL (DRC), CHECKING
2025 Audi A4 allroad Premium Plus

Dynamic Ride Control (DRC), Checking

2025 Audi A4 allroad Premium PlusSECTION Dynamic Ride Control (DRC), Checking
Start
Rattle coming from area of suspension or rear of vehicle while driving on rough terrain   Strong side inclination of body while turning steering wheel
→ Oil leakage detected? ←
  ↓   ↓  
  • Components, Checking
  • Check connections to central valves, shock absorbers and wiring harnesses.
  • Replace leaking shock absorbers
 ← Yes   No → Check all connections to central valves, shock absorbers and wiring harnesses.
↓     ↓
↓ Complaint eliminated?
↓ ↓ ↓
↓ No ↓ Yes ↓
↓ Check system pressure in both lines. ↓
↓   ↓ ↓
↓   System pressure larger than 14 bar ↓
↓   No ↓ Yes ↓ ↓
Complete DRC line - extracting, evacuating and filling. Perform leak test. Refer to DYNAMIC RIDE CONTROL (DRC), DRAINING AND FILLING . Complete DRC line - extracting, evacuating and filling due to possible air pockets. Perform leak test. Refer to (1)DYNAMIC RIDE CONTROL (DRC), DRAINING AND FILLING . ↓
↓ ↓ ↓
↓ ↓
↓
End
(1) high temperatures in the DRC line, air pocket can lead to gas release into the hydraulic fluid.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.