Altima 2.5 L4-2.5L (QR25DE) (2002)
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f.
Turn them another 90° - 95° degrees (Target: 90° degrees).
CAUTION:
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Check tightening angle with an angle wrench or a protractor. Do not make judgment by visual check alone.
3. Install the crankshaft sprocket and timing chain for the balancer unit.
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Make sure that the crankshaft sprocket is positioned with mating marks on the block and sprocket meeting at the top.
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Install it by lining up mating marks on each sprocket and timing chain.
4. Install timing chain tensioner for balancer unit.
NOTE: Chain guide and tensioner move freely with the caulking pin as the axle. Therefore, bolt hole position of the three points could be
changed during removal. If points change, temporarily fix the two mounting bolts on the chain guide and move the tensioner to match the bolt
holes.
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Be careful not to let mating marks of each sprocket and timing chain slip.
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After installation, make sure the mating marks have not slipped, then remove stopper pin and release tensioner.
5. Install timing chain and related parts.