Reducing Agent Tank, Removing And Installing: Removing

WARNING: This page is about a different car, the 2016 Audi A3 and 2015 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.

Read the safety precautions for handling reducing agent. Refer to SAFETY PRECAUTIONS WHEN WORKING ON SCR SYSTEM .

-- Bleed the reducing agent line to do so use a Vehicle Diagnostic Tester in the Guided Functions mode 01-Metering Line, Discharging .

-- Remove the right rear wheel. Refer to WHEEL, CHANGING AND MOUNTING .

-- Remove the wheel housing liner bolt -arrow-.

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connectors -3 and 4-.

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the hose connections -1 and 5- and close with clean plugs from the :VAS6122 .

-- Unclip the bracket -2- from the SRC hoses.

-- Unclip and disconnect the connector -arrow- for the reducing agent ventilation line heater.

Courtesy of AUDI OF AMERICA, LLC

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

There is a risk of injury due to escaping reducing agent.

Reducing agents may cause eye and skin irritation as well as injury to the respiratory system and possible poisoning.

- Wear protective eyewear.

- Wear safety gloves.

- Wear protective work clothing.

- Make sure there is a fresh air supply. Turn on exhaust extraction when in closed spaces.

-- Place the :VAS6931 with a soft foam pad in-between to support the tank.

-- With a second mechanic to hold the reducing agent tank, remove bolts -arrow-.

Courtesy of AUDI OF AMERICA, LLC

-- Lower the reducing agent tank using :VAS6931 . Guide the reducing agent tank with one hand while lowering it.

-- Drain the reducing agent tank carefully via the filler neck.

-- Seal the open lines and connections with clean plugs from the :VAS6122 .