Quest V6-3.5L (VQ35DE) (2009)
2. Install dial gauge in thrust direction on front end of camshaft.
Measure end play when camshaft is moved forward/backward (in direction to axis) as shown.
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If out of the specified range, replace with new camshaft and measure again.
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If out of the specified range again, replace with new cylinder head.
Camshaft Sprocket Runout
1. Put V-block on precise flat bed and support No. 2 and No. 4 journal of camshaft as shown.
2. Install camshaft sprocket on camshaft.
3. Measure camshaft sprocket runout.
Limit : 0.15 mm (0.0059 in)
4. If sprocket runout exceeds the limit, 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