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Home >> Nissan-Datsun >> 2008 >> Sentra SL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical (Qr25DE)) >> Cylinder Head >> Removal and Installation >> Installation

Removal and Installation: Installation

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  1. Install a new cylinder head gasket.
  2. Follow the steps below to tighten the cylinder head bolts using Tool, in the numerical order as shown.
    • Apply new engine oil to the threads and the seating surfaces of bolts.
    CAUTION:
    • If cylinder head bolts are re-used, check their outer diameters before installation. Refer to "OUTER DIAMETER OF CYLINDER HEAD BOLTS ".
    • Check and confirm the tightening angle by using angle wrench or protractor. Avoid judgment by visual inspection without the tool.

      Step a : 98.1 N.m (10 kg-m, 37 ft-lb)

      Step c : Loosen to 0 N.m in the reverse order of tightening.

      Step d : 39.2 N.m (4.0 kg-m, 29 ft-lb)

      Step e : 75° clockwise

      Step f : 75° clockwise

      Fig 1: Cylinder Head Bolt Tightening Sequence
      G04885802Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 2: Cylinder Head Bolts With Loosening Sequence
      G04885800Courtesy of NISSAN MOTOR CO., U.S.A.

      Tool number : KV10112100 (BT-8653-A)

      Fig 3: Checking Cylinder Head Bolts Angle
      G04885804Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Installation of the remaining components is in reverse order of removal.