Charge Air System, Checking For Leaks: Procedure

WARNING: This page is about a different car, the 2020 Audi A4, 2019 Audi A4, 2018 Audi A4, and 2017 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Pay attention to the guidelines for clean working conditions. Refer to GUIDELINES FOR CLEAN WORKING CONDITIONS .

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

-- Remove the lock carrier cover. Refer to FRONT BUMPER .

-- Remove the bolts -arrows- and the air guide -2-.

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-- Loosen the hose clamps -arrows-.

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-- Remove the vacuum hose -2- and air duct pipe -1-.

-- Install the :VAG1687/6 and :VAG1687/13-2 on the turbocharger.

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CAUTION:

Risk of damaging couplings.

Couplings must not be bent more than 10°.

VEHICLE WITHOUT GAS FUEL SYSTEMS:

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-- Loosen the front clamping sleeve -arrows- and push toward the rear.

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-- Slightly lower the front muffler -2- and secure as shown with a cable tie -1-. (Shown on vehicle without gas fuel systems.)

-- Seal the front muffler with :VAG1687/3 and :VAG1687/15 .

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-- Connect the :VAG1687 with the connection -5- on the :VAG1687/6 .

Fig 1: Connecting Pressurized Air Hose To Testing Unit For Turbo Charger V.A.G 1687

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All additional procedures are described. Refer to CHARGE AIR SYSTEM .