Cylinder head, removing

Cylinder head, removing
Sequence of operations
^ Engine in vehicle.
^ Lock carrier in service position, Refer to Body and Frame, Radiator Support, Service and Repair

Note: All cable ties unfastened or cut open on removal are to be re-attached in same position on installation.

^ Obtain and record radio anti-theft code for vehicles with coded radio.
See Caution for disconnecting Telematics battery, Refer to Cylinder Head, Service Precautions
^ Disconnect battery Ground strap with ignition switched off.
^ Drain cooling system.
^ Remove intake manifold from cylinder head.
^ Remove ribbed belt and ribbed belt tensioner.
^ Remove toothed belt from camshaft sprocket. Removing and installing toothed belt.





^ Remove air cleaner cover -arrow-.





^ Disconnect wires / unplug connectors from:
1- ACE valve
2- air mass meter
3- Wastegate bypass regulator valve -N75
^ Disconnect hoses 4...7.
^ Disconnect hose to secondary air motor -8-.
^ Move wires clear.
^ Unbolt air cleaner housing -9-.
^ Remove air cleaner.

Note: Vacuum line to secondary air combination valve is clipped to underside of air intake hose.





^ Unplug connector -arrow- at camshaft adjuster.





^ Remove crankcase breather line -2-.
^ Remove crankcase breather hose at cylinder head cover.
^ Remove line -1- on secondary air combination valve on cylinder head cover and heat shield -3-.
^ Move secondary air line slightly to one side.
^ Remove heat shield.





^ Remove bolts -1- and -2- of oil supply line.
^ Remove bolts -3- for turbocharger.





^ Disconnect connector -arrow- at coolant temperature sensor -G2-/G62-.





^ Disconnect vacuum hose -arrow- at combination valve.
^ Remove coolant flange -bolts 2 and 3-.
^ Remove bracket -1- for oil supply line.
^ Unclip all wiring on cylinder head and move it clear.
^ Pull off coolant hose to heater unit heat exchanger at rear of cylinder head. To do so, first release retainers on connecting flange.





^ Remove Ground (GND) wire -2-.
^ Unplug connectors -3-.
^ Move wiring clear.
^ Pull out ignition coils -1-.





^ Loosen nuts -arrows- on cylinder head cover and remove cylinder head cover.
^ Remove both oil deflectors.





^ Keep to specified sequence when loosening cylinder head bolts.
^ Remove cylinder head.