Audi AMB Service Manual page 259

ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
Fig. 337: Using Hose Clamp 3094 To Clamp Off Coolant Return Hose To Turbocharger
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Remove bolts - 1 - and - 3 - of oil supply line.
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Unbolt oil supply line - 5 - from turbocharger.
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NOTE:
To avoid damage, do not bend decoupling element of exhaust system by

more than 10°.
Unbolt catalytic converter from turbocharger - 6 -.
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Unbolt turbocharger from exhaust manifold - 2 -.
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Swivel turbocharger to one side, loosen retaining bracket and banjo bolt for coolant supply line on

turbocharger.
Remove turbocharger.
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Installing
Install in reverse order, paying attention to the following:
NOTE:
All cable ties unfastened or cut open on removal are to be re-attached in

same position on installation.
Secure all hose connections with standard hose clamps
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Hose connections and hoses must be free of oil and grease before

installing.
Always replace gaskets, sealing rings and self-locking nuts.
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Perform following steps before tightening turbocharger securing bolts:

Using bracket, secure coolant supply line loosely to vacuum unit for charge pressure control valve.
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Tighten banjo bolt to 35 Nm and then tighten securing bolt on bracket to 10 Nm.

NOTE:
Fill turbocharger with engine oil via oil supply line connection.
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2005 Audi A4 Quattro
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