A4 Quattro Wagon L4-2.0L Turbo (BPG) (2005)
Intercooler: Description and Operation
General Notes
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Charge air system must be properly sealed.
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Always replace self-locking nuts.
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Charge air hoses and pipes as well as their connections must be free of oil and grease before re-installation.
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Do not assemble charge air hoses and pipes with lubricants containing oils, only coat with water (without additives) if necessary.
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Note installation marks on hoses and components.
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All hose connections for charge air system are secured by spring-type clamps or by connector couplings.
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Install only approved clamps for securing hose connections.
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Spring Type Clip Pliers VAS 5024 A or Hose clamp pliers V.A.G 1921 are recommended for installing spring clamps.
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For connector couplings, always note the following points:
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Release connector coupling by pulling securing clip - arrow - .
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Disconnect hose and line without the assistance of tools.
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When assembling, make sure retaining tabs - A - are engaged securely.