audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Leak Detection Pump, Checking|Page 2609 > < Leak Detection Pump, Checking|Page 2607
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Leak Detection Pump: Testing and Inspection
Leak Detection Test, Performing

Leak Detection Test, Performing

Diagnostic leak test occurs in "Guided Fault Finding". 

Checking fuel supply and tank ventilation systems for leaks

‹› The following describes individual areas in the fuel supply and ventilation systems where leaks are possible. After repairing a possible leak,

perform a leak test to ensure that the leak was successfully repaired.

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Switch off ignition.

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Check whether the fuel filler cap of the fuel tank was completely sealed for the test.

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Check whether seal of fuel filler cap was damaged or crimped. Replace if necessary.

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Remove rear seat bench. 

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Unclip catches - arrows - of right connector flange cover.

‹› Observe installation notes for locking flanges => [ Installing ] See: Fuel Delivery and Air Induction/Service and Repair/Removal and

Replacement/Front Wheel Drive and => [ Installing ] See: Fuel Delivery and Air Induction/Service and Repair/Removal and Replacement/All
Wheel Drive.

Vehicles with all wheel drive

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Unclip the retainers - arrows - of the cover for left sealing flange.

Leak Detection Pump, Checking|Page 2609 > < Leak Detection Pump, Checking|Page 2607