Cylinder head, installing

Cylinder head, installing

Notes:
^ Replace cylinder head bolts.
^ When performing replace seals, gaskets, self-locking nuts and bolts which have a specified tightening angle.
^ Secure all hose connections with standard hose clamps:
Parts Supplier
^ When performing repair work, carefully remove any remains of gasket material from cylinder head and cylinder block. Make sure that no long scores or scratches are made on surfaces..
^ Carefully remove any remaining emery and abrasive material.
^ Remove new cylinder head gasket from packaging just before installation.
^ Handle gasket extremely carefully. Damaging the silicone layer or indented area will lead to leaks.
^ No oil or coolant must be allowed to remain in blind holes for cylinder head bolts in cylinder block.





^ Before positioning cylinder head, set crankshaft and camshaft to TDC No. 1 cylinder.





^ Loosen bolts -1- and -2- on turbocharger bracket about 2 turns to avoid setting up stresses when installing cylinder head.





^ Place cylinder head gasket in position.
^ Note position of centering pins in cylinder block -arrows-.
^ Check installation position of cylinder head gasket; part No. should be visible from intake side.
^ Position cylinder head.
^ Insert cylinder head bolts and hand-tighten.





^ Tighten cylinder head bolts in two stages in sequence shown as follows:
^ Tighten using torque wrench:
^ Step 1: 40 Nm
^ Tighten with normal fixed wrench:
^ Step 2: 180° (1/2 turn) further (2 x 90° - turns permissible)

Note: It is not necessary to re-tighten cylinder head bolts after repairs have been performed..

^ Bolt turbocharger with new gasket to exhaust manifold and bolt bracket to cylinder block.
^ Install cylinder head cover
^ Install toothed belt (adjust valve timing).
^ Install ribbed belt and ribbed belt tensioner.
^ Install intake manifold.
^ Replace coolant.
See Caution for connecting Telematics battery
^ After connecting battery, enter radio anti-theft code
Refer to Radio operating instructions.
^ Use electric window lifters to completely close door windows.
^ Then actuate all window lifter switches again for at least 1 second in "close" position to activate automatic one-touch function.
^ Set clock to correct time.
^ Perform adaption of throttle valve control part:
^ Checking electronic engine output control (electronic throttle); Performing adaption of throttle valve control module





Tightening torques
1) Replace bolts
2) Coat thread and contact surface of bolt head with hot bolt paste "G052 112A3"