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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Mechanical (Pr25DD) (2 Of 2)) >> Removal And Installation >> Timing Chain >> TIMING CHAIN : Removal & Installation >> Installation

TIMING CHAIN : Removal & Installation: Installation

WARNING: This page is about a different variant/trim than selected.
  1. Make sure the crankshaft key points straight up.
  2. Install the balancer unit and tighten the bolts in the numerical order as shown:
    GNSALBIA2773Z-773Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION:
    • When reusing a bolt, check its outer diameter before installation. Follow the Balancer Unit Bolt Outer Diameter procedure.
    • Make sure to install bolts in correct location because bolts are different lengths.

      Bolts 1 - 5

      : 172 mm (6.77 in)

      Bolt 6

      : 122.5 mm (4.82 in)
    • Check tightening angle with Tool (A) or a protractor. Do not make judgment by visual check alone.
      GNSALBIA2774Z-774Courtesy of NISSAN NORTH AMERICA, INC.

    Tool number (A)

    : KV10112100 (BT-8653-A)

    Step 1

    Bolts 1-5

    : 42 N.m (4.3 kg-m, 31 ft-lb)

    Bolt 6

    : 36 N.m (3.7 kg-m, 27 ft-lb)

    Step 2

    Bolts 1-5

    : 120 deg. - 125 deg.

    Bolt 6

    : 90 deg. - 95 deg.

    Step 3

    Loosen in reverse order

    : 0 N.m (0 kg-m, 0 ft-lb)

    Step 4

    Bolts 1-5

    : 42 N.m (4.3 kg-m, 31 ft-lb)

    Bolt 6

    : 36 N.m (3.7 kg-m, 27 ft-lb)

    Step 5

    Bolts 1-5

    : 120 deg. - 125 deg.

    Bolt 6

    : 90 deg. - 95 deg.
  3. Install the crankshaft sprocket (1) and timing chain (2) for the balancer unit.
    GNSALBIA0535Z-535Courtesy of NISSAN NORTH AMERICA, INC.
    • Make sure that the crankshaft sprocket (1) is positioned with mating marks (B) on the block and sprocket meeting at the top.
    • Install it by lining up mating marks on each sprocket (B), (D) and timing chain (A), (C).

    (A)

    : Pink link

    (C)

    : Blue link
  4. Install timing chain tensioner and remove suitable tool.
    • Check matching mark position of balancer unit drive chain and each sprocket again.
  5. If removed, install camshaft sprockets.
    • Secure hexagonal part of the camshaft with a suitable tool and tighten the camshaft sprocket bolts.
      GNSALBIA0234Z-234Courtesy of NISSAN NORTH AMERICA, INC.

      Camshaft sprocket (INT) bolt

      Step 1

      : 35.0 N.m (3.6 kg-m, 26 ft-lb)

      Step 2

      : 28 deg. - 33 deg.

      Camshaft sprocket (EXH) bolt

      Step 1

      : 50.0 N.m (5.1 kg-m, 37 ft-lb)

      Step 2

      : 45 deg. - 50 deg.
  6. Install the timing chain using the following procedure:
    1. Align the matching marks of each sprocket with the matching marks of timing chain.
      GNSALBIA0536Z-536Courtesy of NISSAN NORTH AMERICA, INC.

      1.

      Timing chain

      2.

      Timing chain tensioner

      3.

      Slack guide

      4.

      Balancer unit

      5.

      Balancer unit timing chain

      6.

      Balancer unit timing chain tensioner

      7.

      Crankshaft key

      8.

      Tension guide

      9.

      Camshaft sprocket (INT)

      10.

      Camshaft sprocket (EXH)

      A.

      Orange link

      B.

      Timing mark

      C.

      Sprocket timing mark

      D.

      Pink link

      E.

      Blue link

      F.

      Timing mark
      CAUTION: Check matching mark position of each sprocket and timing chain again after installing the timing chain.
      NOTE: If these matching marks are not aligned, rotate the camshaft slightly by holding the hexagonal portion to correct the position.
    2. Install the tension guide (3) and slack guide (2).
      GNSALBIA0531Z-531Courtesy of NISSAN NORTH AMERICA, INC.

      (1)

      : Timing chain
    3. Install the timing chain tensioner and remove suitable tool.
      CAUTION: Do not remove suitable tool from timing chain tensioner when removed from vehicle. If timing chain tensioner plunger becomes fully extended, replace timing chain tensioner.
    4. Check matching mark position of timing chain and each sprocket again.
  7. Install the rocker cover using the following procedure:
    1. Apply liquid gasket (B) to the positions (A) shown.
      GNSDB115554Courtesy of NISSAN NORTH AMERICA, INC.

      (1)

      : Cylinder head

      (C)

      : 10 mm (0.39 in)

      (D)

      : Camshaft bracket
    2. Install rocker cover gasket to rocker cover.
      CAUTION: Do not reuse rocker cover gasket.
    3. Install the rocker cover and tighten the bolts to the specified torque in the sequence shown.
      GNSDB123452Courtesy of NISSAN NORTH AMERICA, INC.

      Step 1

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

      Step 2

      : 8.33 N.m (0.85 kg-m, 74 in-lb)
  8. Install the EGR volume control valve and EGR outlet tube using the following procedure:
    CAUTION: Do not reuse EGR outlet tube gasket and EGR volume control valve gasket.
    1. Hand tighten the EGR outlet tube nuts at the EGR volume control valve.
    2. Tighten the EGR outlet tube bolts at the intake manifold to the specified torque.

      EGR outlet tube bolts

      : 25.0 N.m (2.6 kg-m, 18 ft-lb)
    3. Tighten the EGR outlet tube nuts at the EGR volume control valve to the specified torque.

      EGR outlet tube bolts

      : 25.0 N.m (2.6 kg-m, 18 ft-lb)
  9. Installation of the remaining components is in the reverse order of removal.
    • Perform "ELECTRIC IVT CONTROL ACTUATOR POSITION LEARNING". Refer to Description .
    • Perform the "Throttle Valve Closed Position Learning" when harness connector of electric throttle control actuator is disconnected. Refer to Description .
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