Passat Sedan 4Motion V6-3.6L (BLV) (2007)
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Disconnect vacuum hose at connection of vacuum actuator.
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Connect hand vacuum pump V.A.G 1390 to connection of vacuum actuator -arrow-.
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Operate hand vacuum pump several times.
Diaphragm rod must move in -direction of arrow-.
NOTE: Use a mirror for testing.
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Disconnect vacuum hose of hand vacuum pump from connection of vacuum actuator.
Operating plunger must spring back into its initial position.
If operating plunger does not move as described:
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Replace vacuum actuator for intake manifold flaps.
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Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data.
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Generate readiness code.