h2. Cylinder Head and Valvetrain
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Pinch clips (*arrows*) to disconnect vent line from cylinder head cover.
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Remove ignition coils:
* Disconnect ignition coil harness connectors.
* Remove coil mounting fasteners.
* Remove coils.
* Remove ground straps.
* Set coil harness to side of engine compartment.
{note:title=CAUTION}Note location of all ground wires. Failure to reinstall grounds can result in permanent damage to engine control module or ignition system components.
{note}Remove cylinder head cover mounting fasteners and remove cylinder head cover.
{info:title=NOTE}In order to reinstall cylinder head cover mounting bolt insulator and gaskets in their original locations, make note of their arrangement during removal.
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Installation is reverse of removal. Keep in mind the following:
* Make sure sealing surfaces are clean and free of old gasket material.
* Replace cylinder head cover gasket, as well as rubber insulators and seals as necessary.
* Use a small amount of 3-Bond®1209 adhesive or equivalent at corners (*arrows*) of half-moon cut-outs at back of cylinder head.
* Seat gasket and seal corners in front of cylinder head at VANOS unit.
* Inspect cylinder head cover mounting screw assembly rubber seals. Replace if rubber is cracked or brittle.
{panel:title=Tightening torque|borderColor=#999|titleBGColor=#eee|bgColor=#fff}
Cylinder head cover to cylinder head . . . {color:red}10 NM (89 in-lb){color}
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{_}Cylinder Head_
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