LEMON Manuals: Even more car manuals for everyone
Home >> Audi >> 2017 >> S7 Premium Plus >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine System (Cylinder Head & VALVETRAIN - Service Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC) >> Cylinder Head, VALVETRAIN >> Cylinder Head >> Cylinder Head, Removing And Installing >> Procedure

Cylinder Head, Removing And Installing: Procedure

-- Remove the lock carrier. Refer to LOCK CARRIER .

-- Remove the left turbocharger. Refer to TURBOCHARGER, REMOVING AND INSTALLING .

-- Remove the left camshaft. Refer to CAMSHAFT, REMOVING AND INSTALLING .

-- Remove the Cylinder Head Coolant Valve -N489- -arrow- from the bracket and push it forward.

GWWA15-11324

-- Bring the impact member into the installation position and secure it. Refer to FRONT BUMPER .

-- Position the :10-222A  on the left and right suspension strut towers as illustrated.

GWWA15-11365

-- Mount the assembly appliance as illustrated.

GWWA15-11366

-- Tighten the :T10013  with the threaded pin -1- of the :T10338  in the left front threaded hole in the cylinder block as shown in the illustration.

GWWA15-11097

-- Engage the carabiner hook of the :10-222A/11  on the :T10013  and pretension the engine slightly.

-- Remove the left front Knock Sensor 3 -G198-. Refer to Knock Sensor 3 -G198-, REMOVING AND INSTALLING .

-- Disconnect the vacuum hose -3- and free it up.

GWWA15-11334

-- Remove the secondary air injection solenoid valve from the mount and set it aside.

  1. Secondary Air Injection Solenoid Valve 2 -N320-
  2. Secondary Air Injection Solenoid Valve -N112-
NOTE:

Ignore item -1-.

-- Disconnect the connector -4 and 5- and then free up the wiring harness from the intake manifold.

-- Disconnect the connector -2- for the Intake Manifold Runner Position Sensor 2 -G512- -1-.

GWWA24-11007

-- Disconnect electrical connector -arrow- from the fuel injectors.

GWWA15-11335

-- Bring the subframe into the installed position and tighten the bolts by hand.

-- Remove the :T40071  .

GWWA15-11224
NOTE:

The procedure is illustrated with the camshaft installed.

-- Remove the bolts -arrows-.

GWWA15-12129

-- Loosen the cylinder head bolts in the sequence -1 to 10-. 

-- Remove the bolts and the cylinder head carefully.

-- Lay the cylinder head on a soft surface, such as foam.