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Removal and Installation: Installation

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
  1. Before installation, remove any old Silicone RTV Sealant from component mating surfaces using a scraper.
    G04159761Courtesy of NISSAN NORTH AMERICA, INC.
    • Remove the old Silicone RTV Sealant from the bolt holes and threads.
    • Do not scratch or damage the mating surfaces.
  2. Before installing the front cam bracket, remove the old Silicone RTV Sealant from the mating surface using a scraper.
    G04159762Courtesy of NISSAN NORTH AMERICA, INC.
    • Do not scratch or damage the mating surface.
  3. Turn the crankshaft until No. 1 piston is set at TDC on the compression stroke.
    GNSAWBIA2383Z-383Courtesy of NISSAN NORTH AMERICA, INC.
    • The crankshaft key (A) should line up with the right bank cylinder center line (B) as shown, above.
  4. Install camshaft chain tensioners (1) on both sides of cylinder head. Refer to Exploded View .
    G08768857Courtesy of NISSAN NORTH AMERICA, INC.
  5. Install valve lifter (if removed).
    NOTE: Install them in original positions.
  6. Install exhaust and intake camshafts and camshaft brackets.
    G04159765Courtesy of NISSAN NORTH AMERICA, INC.
    • Intake camshaft has a drill mark on camshaft sprocket mounting flange.
    • Follow your identification marks made during removal or follow the identification marks that are present on the new camshafts components for proper placement and direction of the components.
      GNSAWBIA1352Z-352Courtesy of NISSAN NORTH AMERICA, INC.

      Bank

      INT/EXH

      ID mark (A)

      Drill mark

      Paint marks

      M1 (E)

      M2 (F)

      M3 (D)

      RH (B)

      INT

      4F

      Yes

      Blue

      No

      Green

      EXH

      4H

      No

      No

      Green

      Green

      LH (C)

      INT

      4G

      Yes

      Blue

      No

      Green

      EXH

      4K

      No

      No

      Green

      Green

    • Position the camshaft dowel pins (A) as shown, below.
      G08688627Courtesy of NISSAN NORTH AMERICA, INC.
  7. Before installing camshaft brackets, apply liquid gasket to mating surface of No. 1 camshaft bracket.
    GNSALBIA0029Z-029Courtesy of NISSAN NORTH AMERICA, INC.

    SYMBOL

    : Engine front

    • Use Genuine Silicone RTV Sealant or equivalent. Refer to Recommended Chemical Products and Sealants .
      CAUTION:
      • Installation should be done within 5 minutes after applying liquid gasket.
      • Do not fill the engine with engine oil for at least 30 minutes after the components are installed to allow the liquid gasket to cure.
    • Before installation, wipe off any protruding liquid gasket. Refer to Precaution for Liquid Gasket .
      G04159769Courtesy of NISSAN NORTH AMERICA, INC.
    • Install camshaft brackets in their original positions and direction. Align the stamp marks as shown, below.
      GNSAWBIA3187Z-187Courtesy of NISSAN NORTH AMERICA, INC.

      If checking and adjusting any part of valve assembly or camshaft, check valve clearance according to the reference data. Refer to Valve Clearance .

      Valve clearance (cold) Intake

      : 0.26 - 0.34 mm (0.010 - 0.013 in)

      Valve clearance (cold) Exhaust

      : 0.29 - 0.37 mm (0.011 - 0.015 in)

      (A)

      : Camshaft bracket ID mark

      (B)

      : Bank 1

      (C)

      : Bank 2

      SYMBOL

      : Engine front

    • Tighten the camshaft brackets bolts in three steps to the specified torque in the sequence shown, below.
    • Cylinder head [bank 1 (1)]
      Fig 1: Camshaft Bracket Bolt Tightening Sequence
      GNSAWBIA1397Z-397Courtesy of NISSAN NORTH AMERICA, INC.

      (1)

      1.96 N.m (0.20 kg-m, 17 in-lb)

      Tighten No. 7 - 10, then tighten No. 1 - 6 in the numerical order shown, above.

      (2)

      5.88 N.m (0.60 kg-m, 52 in-lb)

      Tighten No. 1 - 10 in the numerical order shown, above.

      (3)

      10.41 N.m (1.1 kg-m, 8 ft-lb)

      Tighten No. 1 - 10 in the numerical order shown, above.

      (A)

      : Camshaft [EXH (bank 1)]

      (B)

      : Camshaft [INT (Bank 1)]

      (C)

      : Camshaft bracket

      SYMBOL

      : Engine front

    • Cylinder head [bank 2 (2)]
      GNSALBIA3228Z-228Courtesy of NISSAN NORTH AMERICA, INC.

      (1)

      1.96 N.m (0.20 kg-m, 17 in-lb)

      Tighten No. 7 - 12, then tighten No. 1 - 6 in the numerical order shown, above.

      (2)

      5.88 N.m (0.60 kg-m, 52 in-lb)

      Tighten No. 1 - 12 in the numerical order shown, above.

      (3)

      10.41 N.m (1.1 kg-m, 8 ft-lb)

      Tighten No. 1 - 12 in the numerical order shown, above.

  8. Measure difference in levels between front end faces of No. 1 camshaft bracket and cylinder head.
    G04073025Courtesy of NISSAN NORTH AMERICA, INC.

    Standard

    : - 0.14 to 0.14 mm (- 0.0055 to 0.0055 in)

    • If measurement is outside the specified range, re-install camshaft and camshaft bracket.
  9. Install camshaft position sensors.
  10. Install the timing chains. Refer to Removal and Installation .
  11. Installation of the remaining components is in the reverse order of removal.