Fuel Tank, Checking Ventilation: Notes

WARNING: This page is about a different car, the 2016 Volkswagen Beetle, 2015 Volkswagen Beetle, 2014 Volkswagen Beetle, and 2013 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools And Workshop Equipment Required

Hand Vacuum Pump VAS 6213
Pressure Tester Kit VAS 6550
Pressure Tester Kit - Adapter Set - Fitting VAS 6550/3-1
Sealing Tool T10249

Test Conditions

The ignition must be off.

Test Sequence

EVAP Canister Purge Regulator Valve 1 -N80-, Checking

Fig 1: Identifying EVAP Canister Purge Regulator Valve

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Disconnect the hose -arrow- to the EVAP Canister Purge Regulator Valve 1 - N80- at the Evaporative Emission (EVAP) canister.

-- Connect the Hand Vacuum Pump VAS 6213 to the hose with suitable means.

-- Set the slide ring -1- on the Hand Vacuum Pump VAS 6213 in position -B- for "pressure".

Fig 2: Adjusting Hand Vacuum Pump Slide Ring

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Operate the Hand Vacuum Pump VAS 6213 several times. Pressure must increase.

If the Pressure Does Not Increase

-- Check the hose to the EVAP Canister Purge Regulator Valve 1 - N80- for leaks and damage and replace it if necessary.

If No Malfunction Can Be Found

-- Check the EVAP Canister Purge Regulator Valve 1 -N80- see Vehicle Diagnostic Tester.

If the Pressure Increases

-- Check the vent lines and EVAP canister by performing the following tests. Refer to FUEL TANK, CHECKING VENTILATION .