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Home >> Audi >> 2017 >> A7 Quattro Competition >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (3.0L - Cooling System - Engine Code(S): CGXB & CTUA) >> 19 Cooling System >> Coolant Pipes >> Coolant Pipes, Removing And Installing >> Front Coolant Pipe, Removing And Installing >> Removing

Front Coolant Pipe, Removing And Installing: Removing

WARNING: This page is about a different car, the 2015 Audi A7 Quattro, 2014 Audi A7 Quattro, 2013 Audi A7, and 2012 Audi A7. However, it is still accessible from the selected car via links, so may be relevant.

-- Drain the coolant, refer to DRAINING .

-- Remove the lock carrier cover, refer to LOCK CARRIER COVER, REMOVING AND INSTALLING .

-- Remove the bolts -arrows- and air guide -1-.

Fig 1: Identifying Bolts
GWWA24-10872Courtesy of AUDI OF AMERICA, LLC
NOTE: Ignore item -2-.

-- Remove the front left coolant pipes, refer to REMOVING .

-- Remove the ribbed belt from the A/C compressor, refer to RIBBED BELT, REMOVING AND INSTALLING, ACCESSORY RIBBED BELT .

-- Remove the bolts -arrows- for the coolant pump ribbed belt pulley using a Wrench - Pin Type 3212 to counterhold.

Fig 2: Identifying Coolant Pump Ribbed Belt Pulley Bolts 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 3: Identifying Cylinder Head Coolant Valve And Bracket
GWWA13-10818Courtesy of AUDI OF AMERICA, LLC

-- Remove the front secondary air hose -1- from its bracket and disconnect it -2-.

Fig 4: Identifying Front Secondary Air Hose
GWWA26-11057Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -3- from the Engine Coolant Temperature Sensor -G62-.

-- Open the clamps and remove the coolant hoses -1 and 4-.

-- Loosen the clamp -2- and remove the upper coolant hose.

-- Loosen the hose clamp -5-.

-- Remove the bolts -arrows- and the front coolant pipe.

Fig 5: Disconnecting Engine Coolant Temperature Sensor Connector
GWWA19-11123Courtesy of AUDI OF AMERICA, LLC