FX45 AWD V8-4.5L (VK45DE) (2006)
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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: 26.000 - 26.021 mm (1.0236 - 1.0244 inch)
CAMSHAFT JOURNAL OIL CLEARANCE
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(Oil clearance) = (Camshaft bracket inner diameter) - (Camshaft journal diameter).
Standard:
No. 1 0.045 - 0.083 mm (0.0018 - 0.0033 inch)
No.2, 3, 4: 0.030 - 0.068 mm (0.0012 - 0.0027 inch)
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If the calculated value out of the standard, 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)
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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: 30.500 - 30.548 mm (1.2008 - 1.2027 inch)
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Dimension B for cylinder head No. 1 journal bearing
Standard: 30.360 - 30.385 mm (1.1953 - 1.1963 inch)
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Refer to the standards above, and then replace camshaft and/or cylinder head.
Camshaft Sprocket Runout
1. Put V-block on precise flat table, and support No. 2 and 5 journal of camshaft.
CAUTION: Do not support journal No. 1 (on the side of camshaft sprocket) because it has a different diameter from the other four locations.