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Home >> Audi >> 2011 >> A5 2.0T >> Repair and Diagnosis >> External Pages >> Different car >> Section 635 (3.0L - Engine Cooling System - Engine Code(S): CTUC & CTUD) >> 19 Cooling System >> Coolant System/Coolant >> Coolant, Draining And Filling >> Draining

Coolant, Draining And Filling: Draining

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WARNING:

There is a risk of injury if the radiator fan turns on by itself.

  • The coolant fan can come on even when the ignition is turned off, for example, caused by the heat still in the engine compartment.
Fig 1: Identifying Coolant Reservoir Marking
GWWA19-10535Courtesy of AUDI OF AMERICA, LLC
WARNING:

Risk of scalding due to hot steam and hot coolant.

  • The coolant system is under pressure when the engine is warm.
  • Cover the coolant reservoir cap with a cloth and then open it slowly to release the pressure.

-- Open the coolant reservoir cap.

-- Remove the front noise insulation -1-, refer to OVERVIEW - NOISE INSULATION .

Fig 2: Identifying Noise Insulation
GWWA10-11100Courtesy of AUDI OF AMERICA, LLC
NOTE:

Collect escaping coolant in a clean container for disposal or reuse.

Fig 3: Identifying Drain Plug
GWWA19-11109Courtesy of AUDI OF AMERICA, LLC

-- Place the Shop Crane - Drip Tray VAS6208 under engine.

-- Remove the drain plug -1- and drain the coolant.

NOTE:

Ignore item -2-.

-- Loosen the hose clamp -arrow-, remove the coolant hose from the oil cooler and drain the coolant.

Fig 4: Disconnecting Coolant Hose From Oil Cooler
GWWA19-10071Courtesy of AUDI OF AMERICA, LLC
NOTE:

The installation location is shown with the engine removed.

Ignore item -1-.

-- Loosen the clamps -arrows-, drain any remaining coolant and then remove the coolant hoses from the left front coolant pipes.

Fig 5: Locating Lower Coolant Pipe Bolt
GWWA19-10749Courtesy of AUDI OF AMERICA, LLC