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Home >> Nissan-Datsun >> 2009 >> Sentra L4-2.5L (QR25DE) >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> System Specifications
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System Specifications

CYLINDER HEAD






Valve Dimensions






Valve Spring









Valve Guide






Valve Seat










Cylinder Head








Follow the steps below to tighten the cylinder head bolts using Tool, in the numerical order as shown.






Intake Manifold

Torque: 19.6 N.m (2.0 Kg-m, 14 ft-lb)






Tightening Intake Manifold Bolts and Nuts
- Tighten in numerical order as shown.

CAUTION: After tightening No.5, retighten the No.1 bolt to specification.

Camshaft Bearing Cap






Tighten camshaft bracket bolts in four steps in the order as shown.





Camshaft Gear/Sprocket





Exhaust Manifold










Tightening Exhaust Manifold Nuts
- Tighten the nuts in the numerical order shown, to specification.
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