FX45 AWD V8-4.5L (VK45DE) (2006)
Camshaft: Testing and Inspection
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. 3journal.
3. Turn camshaft to one direction with hands, and measure the camshaft runout on dial indicator. (Total indicator reading)
Limit: 0.02 mm (0.001 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: 25.953 - 25.970 mm (1.0218 - 1.0224 inch)
CAMSHAFT BRACKET INNER DIAMETER