Upper Coolant Pipe, Removing And Installing: Removing

WARNING: This page is about a different car, the 2015 Audi Q7, 2014 Audi Q7, 2013 Audi Q7, 2012 Audi Q7, and 2011 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Intake Manifold Lower Section And Bolt/Nut Tightening Sequence

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NOTE:

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

-- Drain the coolant. Refer to COOLANT, DRAINING AND FILLING .

-- Remove the lower right intake manifold section. 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 2: Identifying Nuts -Arrows- And Protective Plate -1-

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-- Remove the front secondary air hose -arrow- from its bracket and disconnect it; do to this press the release buttons.

Fig 3: Identifying Front Air Hose -Arrow

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-- Remove the threaded connection -1-.

Fig 4: 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 5: Coolant Pipe Clamp And Bolt

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-- 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-.