TT Quattro Roadster L4-1.8L Turbo (AMU) (2002)
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Coolant Line/Hose: Service and Repair
Coolant pipe, removing and installing
Removing
Notes: Always replace seals and gaskets.
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Obtain radio code on vehicles with coded radio.
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With the ignition switched off, disconnect the battery Ground strap.
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Drain coolant system.
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Remove intake manifold.
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Disconnect air duct - 4 - from air mass meter.
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Disconnect electrical connectors for air mass meter - 1 -.
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Unscrew bolts - 2 - and - 3 - and take off air cleaner housing.
Detach air intake hose from connection on turbocharger as follows:
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Disconnect vacuum hose - 1 - from air recirculation valve.
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Disconnect hose from pressure control valve for crankcase breather - 2 -.
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Disconnect electrical connector from charge pressure control valve - 3 - - N75.
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Disconnect hose - 4 - from charge pressure control valve - N75.
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Disconnect hose - 5 - at bulkhead (hose leads from solenoid valve to turbocharger).
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Take solenoid charge pressure control valve out of air intake hose and place it to one side on the engine.
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Pull retainer off turbocharger connection and detach air intake hose.
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Disconnect coolant hose from coolant pipe (hose leads to heat exchanger for heater).
