Altima V6-3.5L (VQ35) (2003)
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3. Align the rear timing chain case and water pump assembly with the dowel pins (RH and LH) on the cylinder block and install the case. Make sure
the O-rings stay in place during installation.
a. Tighten the mounting bolts in the numerical order as shown. There are two bolt lengths used. Follow the chart for proper bolt length
specifications.
b. After all bolts are initially tightened, retighten them to the specification in the numerical order as shown.
Rear timing chain case bolts: 12 - 13 Nm (1.2 - 1.4 kg-m, 9 -10 ft. lbs.)
4. Install the timing chain tension guide.
5. Position the crankshaft so No. 1 piston is set at TDC on the compression stroke.
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Make sure that the dowel pin hole, dowel pin and crankshaft key are located as shown.
Camshaft dowel pin hole (intake side): at cylinder head upper face side in each bank.
Camshaft dowel pin (exhaust side): at cylinder head upper face side in each bank.
Crankshaft key: at cylinder head side of RH bank.
CAUTION: Hole on small diameter side must be used for intake camshaft sprocket dowel pin. Do not misidentify (ignore big diameter side).
6. Install the secondary timing chains and camshaft sprockets.
CAUTION: Matching marks between the timing chain and sprockets slip easily. Confirm all matching mark positions repeatedly during the
installation process.
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Push the sleeve of the secondary chain tensioner and keep it pressed in with a stopper pin.