General notes
WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
- Charge air system must be properly sealed.
- Always replace self-locking nuts.
- Charge air hoses and pipes as well as their connections must be free of oil and grease before re-installing.
- Do not assemble charge air hoses and lines with lubricants containing oils, only coat with water (without additives) if necessary.
- Note installation marks on hoses and components.
- All hose connections for charge air system are secured by spring-type clamps or by connector couplings.
- Install only approved clamps for securing hose connections .
- Pliers for spring clamps VAS 5024 A or Hose clamp pliers V.A.G 1921 are recommended for installing spring clamps.
- For connector couplings, always note the following points:
- Disengage connector coupling by pulling securing clip - arrow -.
- Disconnect hose and pipe without the assistance of tools.
- When assembling, make sure the retaining tabs - A - are engaged securely.
- Before screwing on oil supply line, fill turbocharger with engine oil at filler tube.
- After installing turbocharger, let engine idle for approx. 1 minute without increasing engine speed. This ensures adequate oil supply to the turbocharger.