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Home >> Audi >> 2010 >> S4 Automatic DCT >> Repair and Diagnosis >> External Pages >> Different car >> Section 951 (Engine Cooling System (Service Information - CREC, CREH)) >> 19 Cooling System >> Coolant Pipes >> Coolant Pipes, Removing And Installing >> Left Coolant Pipe, Removing And Installing >> Removing

Left Coolant Pipe, Removing And Installing: Removing

WARNING: This page is about a different car, the 2018 Audi A6 Quattro, 2017 Audi A6 Quattro, and 2016 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

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

-- Remove the tower brace. Refer to SUSPENSION STRUT, REMOVING AND INSTALLING .

-- Remove the bolts -arrows-, pull the filler tube -1- out of the windshield washer fluid reservoir and out of the opening in the body and move it to the right.

GWWA92-10232Courtesy of AUDI OF AMERICA, LLC

-- Remove the cap nut -2- and free up the Ground (GND) cable.

GWWA23-10596Courtesy of AUDI OF AMERICA, LLC

-- Open the retainer -arrow- and remove the Engine Control Module -J623- -1- from the bracket and move it to the side.

-- Remove the bolts -arrows- and the cover -1- from the plenum chamber E-box.

GWWA10-11372Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connectors -1- and remove the nut -2- for the wire.

-- Release the retainers in direction of -arrows- and remove the relay carrier with the fuse panel -3-.

GWWA10-11373Courtesy of AUDI OF AMERICA, LLC

-- Disengage the engine wiring harness from the plenum chamber E-box and free it up.

-- Release the retainers in direction of -A arrows- and remove the wiring bushing -1- upward in direction of -arrow B-.

GWWA10-11374Courtesy of AUDI OF AMERICA, LLC

-- Free up the wiring harness and push it to the side.

NOTE:

Ignore item -2-.

-- Remove the connector -1- for the Heated Oxygen Sensor 2 -G108- from the bracket, disconnect it and free up the wire.

GWWA24-11375Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -1-.

GWWA19-11115Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -2-.

-- Open the clamps -arrows- and remove the coolant hoses from the coolant reservoir.

-- Free up the wiring harness.

GWWA19-11856Courtesy of AUDI OF AMERICA, LLC

-- Remove the coolant hoses, to do so, loosen the hose clamps -arrows-.

-- Remove the bolt -1- and the nut -2- and then remove the left coolant pipe toward the rear.