A4 Quattro Wagon L4-2.0L Turbo (BPG) (2005)
Installation is in reverse order of removal, note the following:
NOTE:
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Always replace seals, gaskets and self-locking nuts.
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Add oil to turbocharger through oil feed line connecting piece.
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Hose connections and charge air system hoses must be free of oil and grease before installing.
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Secure all hose connections using hose clamps appropriate for the model type.
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Install exhaust system and align it free of tension.
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Fill with coolant.
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Check oil level
NOTE: After installing turbocharger, let engine idle for approx. 1 minute without increasing engine speed. This ensures adequate oil supply to
the turbocharger.
Torque specifications
Exhaust manifold/turbocharger to cylinder head
21 Nm 1) 2)
Oil supply line to exhaust turbocharger
30 Nm
Bracket for oil supply line to exhaust manifold
20 Nm 2)
Bracket for turbocharger to cylinder block
30 Nm 2)
Turbocharger bracket to turbocharger
30 Nm 2)
Oil return line to turbocharger
9 Nm
1) Replace bolt or nut
2) Coat studs of exhaust manifold and threads of oxygen sensor with hot bolt paste