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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 623 (3.0L - Engine Cooling System - Engine Code(S): CTUC & CTUD) >> 19 Cooling System >> Coolant Pump/Thermostat >> Coolant Pump, Removing And Installing >> Removing

Coolant Pump, Removing And Installing: Removing

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

-- Remove the front left coolant pipes, refer to FRONT LEFT COOLANT PIPES, REMOVING AND INSTALLING .

-- Remove the bolts -1- and -2- and the coolant pipes.

Fig 1: Coolant Pipes And Bolts
GWWA19-10759Courtesy of AUDI OF AMERICA, LLC

-- Remove the ribbed belt from the A/C compressor but do not remove it completely, refer to RIBBED BELT, REMOVING AND INSTALLING .

-- Remove the coolant hose -arrow- from the front coolant pipe by lifting the retaining clamp.

Fig 2: Identifying Coolant Hose From Front Coolant Pipe
GWWA19-10593Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- for the coolant pump ribbed belt pulley by counterholding with a Wrench - Pin Type 3212.

Fig 3: Coolant Pump Ribbed Belt Pulley Bolts -Arrows- Removal With 3212 To Counterhold.
GWWA19-11018Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts and remove the ribbed belt pulley.

-- Remove the Cylinder Head Coolant Valve -N489- -arrow- from the bracket and move it to the side.

Fig 4: Cylinder Head Coolant Sensor And Bracket
GWWA13-10818Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the vacuum hose -1-.

NOTE:

Use a cloth to catch any leaking coolant.

-- Remove the bolts -arrows- and move the coolant pump to the side.

Fig 5: Coolant Pump
GWWA19-11125Courtesy of AUDI OF AMERICA, LLC