G35 Sedan 2WD V6-3.5L (VQ35DE) (2005)
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a. Push plunger of timing chain tensioner (secondary) and keep it pressed in with stopper pin.
b. Install timing chains (secondary) and camshaft sprockets.
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Align the mating marks on timing chain (secondary) (gold link) with the ones on intake and exhaust camshaft sprockets (punched), and
install them.
NOTE:
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Mating marks for intake camshaft sprocket are on the back side of camshaft sprocket (secondary).
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There are two types of mating marks, circle and oval types. They should be used for the right and left banks, respectively.
right bank: Use circle type.
left bank: Use oval type.
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Align dowel pin and pin hole on camshafts with the groove and dowel pin on sprockets, and install them.
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On the intake side, align pin hole on the small diameter side of the camshaft front end with dowel pin on the back side of camshaft sprocket,
and install them.
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On the exhaust side, align dowel pin on camshaft front end with pin groove on camshaft sprocket, and install them.
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In a case that positions of each mating mark and each dowel Din are not fit on mating parts. make fine adjustment to the position holding the
hexagonal portion on camshaft with wrench or equivalent.
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Mounting bolts for camshaft sprockets must be tightened in the next step. Tightening them by hand is enough to prevent the dislocation of
dowel pins.
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It may be difficult to visually check the dislocation of mating marks during and after installation. To make the matching easier, make a mating
mark on the top of sprocket teeth and its extended line in advance with paint.
