Q45 V8-4.5L (VK45DE) (2002)
Camshaft: Testing and Inspection
INSPECTION AFTER REMOVAL
Camshaft Runout
Put V block on, and support No. 2 and No. 5 journal of camshaft.
Set dial gauge vertically to No. 3 journal.
Turn camshaft to one direction with hands, and measure camshaft runout on dial gauge.
1/2 of runout is bend.
Standard:...........Less than 0.02 mm (0.0008 inch)
Camshaft Cam Height
1. Measure camshaft cam height.
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)
2. If wear is beyond the limit, replace camshaft.
Camshaft Journal Clearance
Outer Diameter of Camshaft Journal
Measure outer diameter of camshaft journal.
Standard outer diameter:
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)