FX35 RWD V6-3.5L (VQ35DE) (2003)
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Using dial gauge and measure camshaft sprocket runout. (Total indicator reading)
Limit: 0.15 mm (0.0059 inch)
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If it exceeds the limit, replace camshaft sprocket.
Valve Lifter
Check if surface of valve lifter has any wear or cracks.
Valve Lifter Clearance
Outer Diameter of Valve Lifter
Measure outer diameter of valve lifter.
Valve lifter outer diameter (Intake and exhaust): 33.977 - 33.987 mm (1.3377 - 1.3381 inch)
Valve Lifter Hole Diameter
Using inside micrometer, measure diameter of valve lifter hole of cylinder head.
Standard (Intake and exhaust): 34.000 - 34.016 mm (1.3386 - 1.3392 inch)
Calculation of Valve Lifter Clearance
(Valve lifter clearance) = (hole diameter of valve lifter) - (outer diameter of valve lifter).
Standard (Intake and exhaust): 0.013 - 0.039 mm (0.0005 - 0.0015 inch)
When out of specified range, referring to each specification of outer and inner diameter, replace either or both valve lifter and cylinder head.
INSTALLATION