M45 V8-4.5L (VK45DE) (2006)
2. Measure the camshaft sprocket runout with dial indicator. (Total indicator reading)
Limit: 0.15 mm (0.0059 inch)
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If it exceeds the limit, replace camshaft sprocket.
Valve Lifter and Adjusting Shim
Check if surface of valve lifter and adjusting shim has any wear or cracks.
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If anything above is found, replace valve lifter.
Valve Lifter Clearance
VALVE LIFTER OUTER DIAMETER
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Measure the outer diameter of valve lifter with micrometer.
Standard: 33.965 - 33.975 mm (1.3372 - 1.3376 inch)
VALVE LIFTER HOLE DIAMETER
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Measure the inner diameter of valve lifter hole of cylinder head with inside micrometer.
Standard: 34.000 - 34.016 mm (1.3386 - 1.3392 inch)
VALVE LIFTER CLEARANCE
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(Valve lifter clearance) = (Valve lifter hole diameter) - (Valve lifter outer diameter)
Standard: 0.025 - 0.051 mm (0.0010 - 0.0020 inch)