M45 V8-4.5L (VK45DE) (2006)
Camshaft: Specifications
INSPECTION AFTER REMOVAL
Camshaft 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.
2. Set dial indicator vertically to No. 3 journal.
3. Turn camshaft to one direction with hands, and measure the camshaft runout on dial indicator (total indicator reading).
Standard: 0.02 mm (0.001 inch)
Limit: 0.05 mm (0.002 inch)
4. If it exceeds the limit, replace camshaft.
Camshaft Cam Height
1. Measure the camshaft cam height with micrometer.
Standard cam height
Intake: 44.865 - 45.055 mm (1.7663 - 1.7738 inch)
Exhaust: 43.925 - 44.115 mm (1.7293 - 1.7368 inch)
Cam wear limit: 0.2 mm (0.008 inch)
2. If wear exceeds the limit, replace camshaft.
Camshaft Journal Oil Clearance
CAMSHAFT JOURNAL DIAMETER
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Measure the outer diameter of camshaft journal with micrometer.
Standard:
No. 1: 25.938 - 25.955 mm (1.0212 - 1.0218 inch)
No. 2, 3, 4, 5: 25.953 - 25.970 mm (1.0218 - 1.0224 inch)
CAMSHAFT BRACKET INNER DIAMETER