Passat Sedan V6-2792cc 2.8L DOHC (AAA) (1995)
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Connect hand vacuum pump US 8026 to vacuum tester VAG 1368 or US 9204 -connection B-.
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Set vacuum tester to -A/B- position.
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Operate hand vacuum pump US 8026 several times.
NOTE: Vacuum must not build up.
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If vacuum builds up:
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Check gravity valve.
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Check vent pipe -3- (from fuel tank) for blockage.
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If vacuum does not build up:
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Re-install fuel filler cap.
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Operate hand vacuum pump US 8026 several times.
NOTE:
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Vacuum must not build up.
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If the fuel level The the tank is low, the vacuum pump must be operated at least 20 to 30 times.
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If vacuum builds up:
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Replace fuel filler cap.