Front Coolant Pipe, Removing And Installing: Removing

WARNING: This page is about a different car, the 2015 Audi S7, 2015 Audi RS 7, 2014 Audi S7, 2014 Audi RS 7, and 2013 Audi S7. However, it is still accessible from the selected car via links, so may be relevant.

-- Drain the coolant, refer to Draining .

-- Remove the engine cover, refer to ENGINE COVER, REMOVING AND INSTALLING .

WARNING:

Fire hazards and risk of damage for a faulty engine cover.

The engine cover must be always be installed before the hood is closed.
The engine may neither be started nor driven without an engine cover.

-- Remove the lock carrier cover, refer to LOCK CARRIER COVER, REMOVING AND INSTALLING .

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

Fig 1: Identifying Bolts

Courtesy of AUDI OF AMERICA, LLC

NOTE:

The illustration shows the Installed position on an Audi S6/S7.

Ignore item -1-.

Ignore -arrow-.

-- Loosen the clamps -1- and remove the coolant hoses.

Fig 2: Identifying Clamps

Courtesy of AUDI OF AMERICA, LLC

-- Loosen the hose clamps -arrows- and press the release button -1- to remove the secondary air injection pipe.

Fig 3: Identifying Hose Clamps And Release Button

Courtesy of AUDI OF AMERICA, LLC

-- Free up the wiring harness.

-- Remove the bolt -3-, then remove the front coolant pipe -2- from the left cylinder head and from the right cylinder head -1-.

Fig 4: Identifying Front Coolant Pipe And Bolt

Courtesy of AUDI OF AMERICA, LLC