Murano FWD V6-3.5L (VQ35DE) (2006)
Camshaft: Testing and Inspection
INSPECTION AFTER REMOVAL
Camshaft Runout
1. Put V-block on precise flat table, and support No. 2 and 4 journals of camshaft.
CAUTION: Do not support journal No. 1 (on the side of camshaft sprocket) because it has a different diameter from the other three locations.
2. Set a 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: Less than 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 a micrometer.
Standard cam height (intake and exhaust): 44.865 - 45.055 mm (1.7663 - 1.7738 inch)
Cam wear limit: 0.2 mm (0.008 inch)
2. If wear is beyond the limit, replace camshaft.
Camshaft Journal Oil Clearance
CAMSHAFT JOURNAL DIAMETER
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Measure the outer diameter of camshaft journal with a micrometer.
Standard:
No. 1: 25.935 - 25.955 mm (1.0211 - 1.0218 inch)
No. 2, 3, 4: 23.445 - 23.465 mm (0.9230 - 0.9238 inch)
CAMSHAFT BRACKET INNER DIAMETER
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Tighten camshaft bracket bolt with the specified torque.