Murano AWD V6-3.5L (VQ35) (2003)
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23. Attach a suitable stopper pin to the RH and LH camshaft chain tensioners (for secondary timing chains).
NOTE: For removal and installation of secondary chain tensioner, refer to "CAMSHAFT". (Removing No. 1 camshaft bracket is required.)
24. Remove intake and exhaust camshaft sprocket bolts.
^
Apply paint to timing chain and camshaft sprockets for alignment during installation.
^
Secure the hexagonal portion of the camshaft using a wrench to loosen the mounting bolts.
25. Remove secondary timing chain together with camshaft sprockets.
^
Turn camshaft slightly to secure slackness of timing chain on chain tensioner side.
^
Insert 0.5 mm (0.020 inch) thick metal or resin plate between timing chain and chain tensioner plunger (guide). Remove secondary timing
chain together with camshaft sprockets with timing chain loose from guide groove.
CAUTION: Be careful of plunger coming-off when removing timing chain. This is because plunger of chain tensioner moves during
operation, leading to coming-off of fixed stopper pin.
NOTE: Camshaft sprocket (INT) is two-for-one structure of primary and secondary sprockets. ^When handling camshaft sprocket (INT). be
careful of the following:
CAUTION:
^
Handle carefully to avoid any shock to camshaft sprocket.
^
Do not disassemble. (Never loosen bolts "A" and "B"s shown).
