Upper Coolant Pipe, Removing And Installing: Removing

WARNING: This page is about a different car, the 2015 Audi A7 Quattro, 2014 Audi A7 Quattro, 2013 Audi A7, and 2012 Audi A7. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: When installing, bring all cable ties back to same positions.

-- Drain the coolant, refer to DRAINING .

-- Remove the right lower section of the intake manifold, refer to INTAKE MANIFOLD LOWER SECTION WITH FUEL RAIL, REMOVING AND INSTALLING .

-- Remove the nuts -arrows- and the high pressure line protective plate -1-.

Fig 1: Identifying Nuts And Protective Plate

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-- Remove the front secondary air hose -1- from its bracket and disconnect it -2-.

Fig 2: Identifying Front Secondary Air Hose

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-- Remove the threaded connection -1-.

Fig 3: Bolts

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-- Loosen the union nuts -2- and -3- by counterholding at the connections.

-- Remove the bolts -arrows- on the retaining plates and the high pressure line.

NOTE:

Lay a cloth below the coolant pipe to catch escaping coolant.

Fig 4: Identifying Coolant Pipe Clamp And Bolt

Courtesy of AUDI OF AMERICA, LLC

-- Open the clamp -2- and remove the coolant hose form the coolant pipe.

-- Remove the bolt -1- and remove the coolant pipe back out of the cylinder block -arrow-.