Pathfinder 2WD V6-4.0L (VQ40DE) (2009)
26. Remove timing chain (primary) and crankshaft sprocket.
CAUTION:
After removing timing chain (primary), do not turn crankshaft and camshaft separately, or valves will strike the piston heads.
27. Remove timing chain (secondary) and camshaft sprockets as follows:
a. Attach suitable stopper pin to the right and left timing chain tensioners (secondary).
NOTE:
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Use approximately 0.5 mm (0.02 in) dia. hard metal pin as a stopper pin.
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For removal of timing chain tensioner (secondary), refer to See: Camshaft, Lifters and Push Rods/Camshaft/Service and Repair/Removal And
Installation
b. Remove camshaft sprocket (INT and EXH) bolts.
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Secure the hexagonal portion of camshaft using wrench to loosen bolts.
CAUTION:
Do not loosen bolts by securing anything other than the camshaft hexagonal portion.
c. Remove timing chain (secondary) together with camshaft sprockets.
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Turn camshaft slightly to secure slackness of timing chain on timing chain tensioner (secondary) side.