Supply Line, Vacuum Reservoir And Check Valve, Checking

WARNING: This page is about a different car, the 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

CAUTION: When routing the vacuum lines, make sure they are not kinked, twisted or pinched. They could disable the vehicle.

-- Remove the engine cover. Refer to ENGINE COVER .

-- Remove the vacuum hose -II- from the Wastegate Bypass Regulator Valve -N75-.

Fig 1: Identifying Vacuum Hose

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Connect the hoses with a suitable plug.

NOTE: Do not use threaded bolts or pins.

-- Remove the vacuum hose -arrow- on the vacuum pump connecting piece.

Fig 2: Identifying Supply Line And Check Valve, Checking

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Connect the Hand Vacuum Pump VAS 6213 to the removed hose and generate a vacuum of 0.6 bar.

-- Watch the pressure gauge on the hand vacuum pump for approximately 30 seconds.

The vacuum must not drop.

If vacuum drops:

-- Replace the hose piece if there is damage or leaks in the hose line connection.

If the vacuum does not decrease:

-- Remove the hose on the Hand Vacuum Pump VAS 6213.

-- Remove the plugs from the end of the hose.

-- If the check valve -item 6- functions, a noticeable hissing can be heard as the vacuum in the vacuum reservoir reduces.

If there is not a hissing sound:

-- Replace the check valve -item 6-.

If there is a hissing sound:

-- Reconnect the vacuum hoses.

-- Control Line to Turbocharger, Checking. Refer to CONTROL LINE TO TURBOCHARGER, CHECKING .