Altima V6-3.5L (VQ35) (2003)
4. Install camshaft chain tensioners on both sides of cylinder head.
Camshaft chain tensioner bolts: 7 - 10 Nm (0.7 - 1.0 kg-m, 62 - 89 inch lbs.)
5. Install valve lifters.
NOTE: Install them in original positions.
6. Install exhaust and intake camshafts and camshaft brackets.
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Intake camshaft has a drill mark on camshaft sprocket mounting flange.
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Follow your identification marks made during removal, or follow the identification marks that are present on the new camshafts components
for proper placement and direction of the components.