Pathfinder 4WD V6-4.0L (VQ40DE) (2006)
CAMSHAFT BRACKET INNER DIAMETER
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Tighten camshaft bracket bolt with the specified torque.
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Measure the inner diameter "A" of camshaft bracket with bore gauge.
Standard:
No. 1: 26.000 - 26.021 mm (1.0236 - 1.0244 inch)
No. 2, 3, 4: 23.500 - 23.521 mm (0.9252 - 0.9260 inch)
CAMSHAFT JOURNAL OIL CLEARANCE
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(Oil clearance) = (Camshaft bracket inner diameter) - (Camshaft journal diameter).
Standard:
No. 1: 0.045 - 0.086 mm (0.0018 - 0.0034 inch)
No. 2, 3, 4: 0.035 - 0.076 mm (0.0014 - 0.0030 inch)
Limit: 0.15 mm (0.0059 inch)
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If the calculated value exceeds the limit, replace either or both camshaft and cylinder head.
NOTE: Camshaft bracket cannot be replaced as a single part, because it is machined together with cylinder head. Replace whole cylinder head
assembly.
Camshaft End Play
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Install dial indicator in thrust direction on front end of camshaft.
Measure the end play of dial indicator when camshaft is moved forward/backward (in direction to axis).
Standard: 0.115 - 0.188 mm (0.0045 - 0.0074 inch)
Limit: 0.24 mm (0.0094 inch)
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Measure the following parts if out of the limit.
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Dimension "A" for camshaft No. 1 journal
Standard: 27.500 - 27.548 mm (1.0827 - 1.0846 inch)
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Dimension "B" for cylinder head No. 1 journal bearing
Standard: 27.360 - 27.385 mm (1.0772 - 1.0781 inch)
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Refer to the standards above, and then replace camshaft and/or cylinder head.