Front Coolant Pipes

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 Audi A3, 2012 Audi A3, 2011 Audi A3, 2010 Audi A3, and 2009 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Hose Clip Pliers V.A.G 1921
Drip Tray VAS 6208

Removing

WARNING:

Risk of scalding due to hot steam and hot coolant.

When the engine is warm the cooling system is under pressure.
To reduce pressure, cover coolant reservoir cap with cloth and carefully open.

-- Open coolant reservoir cap.

-- Remove the cover for the air guide; to do so disengage the side clips -arrows-.

Fig 1: Air Duct Cover Slide Clips

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-- Unclip the lower air guide, to do so disengage the clips -arrows-.

Fig 2: Identifying Lower Air Guide Clips

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-- Remove the lower air guide together with the air guide hose.

-- Loosen the hose clamp -2-.

Fig 3: Air Guide Hose Bolts, Air Guide Pipe Hose Clamps & Electrical Harness Connector

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-- Remove bolt -4-.

-- Disconnect the connector -arrow- and free up the wire.

NOTE:

Ignore -1 and 3-.

-- Remove noise insulation. Refer to Removal and Installation .

Cabriolet

-- Remove the noise insulation bracket. Refer to Removal and Installation .

All

-- Remove the air guide pipe -1 and 2-.

Fig 4: Identifying Charge Air Hose And Clamps

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-- Remove the bolt -1- and remove the air guide pipe downward.

Fig 5: Air Guide Hose Bolts, Air Guide Pipe Hose Clamps & Electrical Harness Connector

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NOTE:

Ignore -2, 3, 4 and arrow-.

-- Place VAS 6208 under engine.

Fig 6: After-Run Coolant Pump V51 Bracket Bolt

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-- Remove the coolant hoses from the after-run coolant pump -V51- -arrows-.

NOTE:

Ignore -1 and 2-.

-- Disconnect the vacuum line -1- to the EVAP canister by pressing the release button.

Fig 7: Fuel Supply Hose And Vacuum Line

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NOTE:

Ignore -2-.

-- Disengage the vacuum line on the front coolant pipes.

-- Remove the EVAP canister with the connected lines upward out of the bracket -arrow- and lay it aside.

Fig 8: Identifying EVAP Canister

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-- Remove the bolts -1 and 2- and remove the front coolant pipes from the coolant hoses -arrows-.

Fig 9: Front Coolant Pipes, Coolant Hoses And Bolts

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Installing

Tightening specifications, refer to COOLANT PIPES ASSEMBLY OVERVIEW .

Installation is in reverse order of removal, note the following:

NOTE:

Always replace gaskets and seals.

Secure all hose connections with hose clamps appropriate for the model.

-- Air guides, installing with connector. Refer to HOSE CONNECTIONS WITH CONNECTOR COUPLINGS, ASSEMBLING

-- Fill with coolant COOLING SYSTEM, DRAINING AND FILLING .