Passat Wagon L4-1781cc 1.8L DOHC Turbo (ATW) (2000)
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Start engine and raise to maximum RPM briefly using throttle.
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Operating rod -2- must move.
If the operating rod does not move:
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Check valve lever -1- for ease of movement.
If corroded together:
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Replace turbocharger.
If the operating rod does not move, even though the lever is free to move:
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Test Wastegate Bypass Regulator valve -N75-.
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Hose from turbocharger via valve to pressure unit not blocked when connector is pulled off
If the valve -N75- is OK:
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Replace turbocharger.