Altima L4-2.5L (QR25DE) Hybrid (2007)
3. Measure camshaft sprocket runout while turning the camshaft by hand.
Runout: Less than 0.15 mm (0.0059 in)
4. If it exceeds the specification, replace camshaft sprocket.
Valve Lifter
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Check if the surface of the valve lifter has any excessive wear or cracks, replace as necessary.
Valve Lifter Clearance
Outer Diameter of Valve Lifter
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Measure the outer diameter of the valve lifter.
Valve lifter outer diameter: 33.977 - 33.987 mm (1.3377 - 1.3381 in)
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If out of the specified range, replace the valve lifter.
Valve Lifter Bore Inner Diameter