A4 Quattro Wagon L4-1.8L Turbo (AWM) (2001)
Catalytic Converter: Service and Repair
Catalytic Converter, removing and installing
Removing
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Remove heat shield -arrows- above righthand drive shaft.
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Loosen bolted connection front exhaust pipe/catalytic converter accessible from below.
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Remove bolt for gearbox bracket to exhaust system -arrow-.
Note: The flexible connection in the front exhaust pipe must not be deflected more than 10° to avoid damage.
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Unbolt coolant expansion tank -2-, - arrows-.
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Disconnect wire to Engine Coolant Level (ECL) Warning switch -F66- and move coolant expansion tank to one side.
Note: Coolant hoses -1- and -3- do not have to be disconnected.