M35x AWD V6-3.5L (VQ35DE) (2007)
7. Remove timing chain tensioner (secondary) from cylinder head.
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Remove timing chain tensioner (secondary) with its stopper pin attached.
NOTE: Stopper pin should be attached when timing chain (secondary) is removed.
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 No. 1 journal (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 a dial indicator. (Total indicator reading)
Standard: Less than 0.02 mm (0.001 in)
Limit: 0.05 mm (0.002 in)
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 in)
Cam wear limit: 0.2 mm (0.0078 in)
2. If wear exceeds the limit, replace camshaft.
Camshaft Journal Oil Clearance
CAMSHAFT JOURNAL DIAMETER