Titan 4WD V8-5.6L (VK56DE) Flex Fuel (2009)
Standard : 26.000 - 26.021 mm (1.0236 - 1.0244 in)
Calculation of Camshaft Journal Clearance
(Journal clearance) = (camshaft bracket inner diameter) - (camshaft journal diameter)
Standard : 0.030 - 0.071 mm (0.0012 - 0.0028 in)
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If measurement is not within specification, replace either or both camshaft and cylinder head.
NOTE:
The inner diameter of the camshaft bracket is manufactured together with the cylinder head. Replace the whole cylinder head as an assembly.
Camshaft End Play
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Install dial gauge in the thrust direction on the front end of the camshaft. Measure the end play when the camshaft is moved forward/backward (in
direction to axis).
Standard : 0.115 - 0.188 mm (0.0045 - 0.0074 in)
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If measurement is out of the specified range, replace the camshaft and measure again.
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If measurement is still out of the specified range, replace the cylinder head.
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Measure the following parts if end play is outside the specified value.
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Dimension "A" for camshaft No. 1 journal
Standard : 30.500 - 30.548 mm (1.2008-1.2027 in)
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Dimension "B" for cylinder head No. 1 journal
Standard : 30.360 - 30.385 mm (1.1953-1.1963 in)
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If measurements are not within specification, replace the camshaft and/or cylinder head.
Camshaft Sprocket Runout
1. Install the camshaft in the cylinder head.