Cylinder head 1. Cylinder head seal. Installation position: part number faces the cylinder head. After replacement, replace coolant and oil; 2. Cylinder head. Check for distortion. After replacement, replace coolant and oil; 3. Bolt; 4. Vacuum pump; 5. Seal ring. Replace; 6. Bolt. 20 N'M; 7. Engine mounting eye; 8. Hall sensor for intake camshaft. Cylinder bank 1 (right) Hall sensor -G40-; Cylinder bank 2 (left) Hall sensor 2-G163-; 9/24. Bolt. 9 N'M; 10. Bolt. Replace. Tighten in 3 stages: 1) Tighten to 40 Nm; 2) turn 90°; 3) turn 90°; 11. Ignition coil. Remove using puller -T40039-; 12. Cylinder head cover; 13. Gasket; 14. Cover; 15. Bolt. Replace if seal is damaged; 16. Bolt; 17. Plug strip for ignition coils; 18. Cylinder head cover gasket. Replacement if damaged or leaking; 19. Bolt. 2.5 N'M; 20. El. mag. valve for timing control system on the exhaust side. Cylinder bank 1 (right) Valve 1 for timing control system, exhaust -N318-. Cylinder bank 2 (left) Valve 2, timing system, exhaust -N319-; 21. El. mag. valve for timing control system on the intake side. Cylinder bank 1 (right) Timing control valve 1 -N205-. Cylinder bank 2 (left) Timing control system valve 2 -N208-; 22. Seal O-rings. Replace; 23. Seal ring. Replace; 25. Exhaust camshaft Hall sensor.
Cylinder bank 1 (right) Hall sensor 3 -G300-. Cylinder bank 2 (left) Hall sensor 4 -G301-
Left cylinder head cover. Sequence and tightening torque
Tighten the bolts in sequence -1...12- to 9 Nm.
Tighten the bolts in sequence -1...12- to 9 Nm.
Oil dipstick guide tube
Tighten bolt -arrow- to 9 Nm.
Removing the left cylinder head cover
Remove the motor covers. compartment
Unscrew bolts -arrows-. Disconnect the electrical connector for the low coolant level warning switch -F66- and place the extension to one side. coolant reservoir with connected hoses -1, 2-. Make sure that the cooling system hose -2- is not bent. Unscrew the bolts -arrows- and disconnect the electrical connectors from the ignition coils on the left cylinder head. Disconnect electrical connector -1- for Hall sender 2 -G163- and -4- for Hall sender 4 -G301 -. Disconnect electrical connectors -3- of timing control valve 2 -N208- and exhaust valve timing control valve 2 -N319- by pressing the connector latches and removing both connectors together. Unscrew the bolt -5 of the ground cable.
Place the electrical harness aside. wires -Pos. 2- do not take into account. Remove the ignition coils using a puller -T40039-.
Remove the crankcase ventilation hose -arrow- by pressing the release buttons. Unscrew the bolts in sequence -12...1- and remove the left cylinder head cover.
A/m incl. for USA: Do not open hose connection -arrow-.
Unscrew the bolts in sequence -12...1 - and set aside the left cylinder head cover with the connected crankshaft ventilation hose -arrow-.
Installation
Install in the reverse order, replacing the seal. O-ring. Replace the damaged cylinder head cover gasket. If the gasket is damaged, replace the cylinder head cover bolts. Clean the seating surfaces; There should be no oil or grease on them. Tighten the left cylinder head cover bolts.
Removing the right cylinder head cover
Remove the motor covers. compartment Remove the air housing. filter. Unscrew the bolts -arrows- and disconnect the electrical connectors from the ignition coils on the right cylinder head.
Disconnect electrical connector -5 for Hall sensor 3 -G300-. Disconnect electrical connectors -1 of timing control valve 1 -N205- and exhaust valve timing control valve 1 -N318- by pressing the connector latches and removing both connectors together. Push the bundle to the side. wires -Pos. 2, 3, 4 - do not take into account.
Remove the ignition coils using a puller -T40039-. Remove the crankcase ventilation hose -arrow- by pressing the release buttons. Unscrew the bolts in sequence -12...1- and remove the right cylinder head cover.
A/m incl. for USA: Do not open hose connection -arrow-!
Unscrew the bolts in sequence -12...1- and set aside the right cylinder head cover with the connected crankcase ventilation hose -arrow-.
Installation
Installation is in reverse order, taking into account the following: Replace seal. O-ring. Replace the damaged cylinder head cover gasket. If the gasket is damaged, replace the cylinder head cover bolts. Clean the seating surfaces; There should be no oil or grease on them. Tighten the right cylinder head cover bolts. Install the air housing. filter.
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