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Home >> Audi >> 2017 >> A7 Quattro Competition >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (3.0L - Cylinder Head & VALVETRAIN - Engine Code: CPNB) >> 15 Cylinder Head, VALVETRAIN >> Cylinder Head >> Cylinder Head, Removing And Installing >> Cylinder Head Removing, Vehicles With A Turbocharger >> Removing

Cylinder Head Removing, Vehicles With A Turbocharger: Removing

WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 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 turbocharger, refer to TURBOCHARGER, REMOVING AND INSTALLING, VEHICLES WITH A TURBOCHARGER .

-- Remove the intake manifold, refer to INTAKE MANIFOLD, REMOVING AND INSTALLING .

-- Remove the camshafts, refer to Removing .

Left Cylinder Head 

Fig 1: Identifying Clamp
GWWA19-11136Courtesy of AUDI OF AMERICA, LLC

-- Loosen the clamp -1- and remove the coolant hose.

NOTE: Ignore item -2-.

-- Remove the bolts -1- and then remove the Exhaust Gas Recirculation (EGR) pipe.

Fig 2: Identifying Exhaust Gas Recirculation (EGR) Pipe Bolts
GWWA26-10969Courtesy of AUDI OF AMERICA, LLC
NOTE: Ignore item -2-.

-- Remove the union nut -left arrow- and then remove the high pressure line -1-.

Fig 3: Identifying High Pressure Line And Union Nut
GWWA23-10548Courtesy of AUDI OF AMERICA, LLC
NOTE: Ignore -right arrow-.

Right Cylinder Head 

Fig 4: Identifying Hose Clamp
GWWA19-11226Courtesy of AUDI OF AMERICA, LLC

-- Remove the front coolant pipe, refer to FRONT COOLANT PIPE, REMOVING AND INSTALLING .

-- Loosen hose clamp -1- and lift the clamp -2- to remove the coolant hoses.

NOTE: Ignore the -arrows-.

-- Remove the union nut -right arrow- and then remove the high pressure line -1-.

Fig 5: Identifying High Pressure Line And Union Nut
GWWA23-10549Courtesy of AUDI OF AMERICA, LLC
NOTE: Ignore -left arrow-.

-- Remove the banjo bolt -arrow-.

Fig 6: Identifying Banjo Bolt
GWWA15-10989Courtesy of AUDI OF AMERICA, LLC

-- Remove the guide pins for the glide track -1- and for the tensioning rail -2-.

Fig 7: Identifying Guide Pins For Glide Track And Tensioning Rail
GWWA15-11050Courtesy of AUDI OF AMERICA, LLC
NOTE: Ignore T40246.

Continued for Both Sides 

Fig 8: Identifying Cylinder Head Bolts
GWWA15-10990Courtesy of AUDI OF AMERICA, LLC

-- Loosen the cylinder head bolts in the sequence -1 to 8-.

-- Remove the bolts and the cylinder head carefully.

CAUTION:

Danger of damaging the glow plugs when removing the cylinder head.

  • Do not lay the removed cylinder head on the sealing surface with the glow plugs installed otherwise the glow plugs will protrude slightly past the sealing surface