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Removal and Installation: Installation

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the valve lifters if removed.
    • Install removed parts in their original locations.
  2. Install the camshafts. Refer to the figure below for identification of the right and left bank, and intake and exhaust.
    Fig 1: Right And Left Bank, Intake And Exhaust Identification Specifications
    G02384479Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Identifying Front And Rear Identification Paint And Identification Rib
    G02384480Courtesy of NISSAN MOTOR CO., U.S.A.
    • Install so that the dowel pin at the front of the camshaft face is in the direction shown.
    Fig 3: Identifying Correct Installation Of Dowel Pin
    G02384481Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Install the camshaft brackets.
    • Install by referring to the installation location mark on the upper surface.
    • Install so that the installation location mark can be correctly read when viewed from the intake manifold side.
      Fig 4: Installing Camshaft Brackets
      G02384482Courtesy of NISSAN MOTOR CO., U.S.A.
    • Install No. 1 camshaft bracket using the following procedure:
      • Apply liquid gasket to No. 1 camshaft bracket as shown.

        Use Genuine RTV Silicone Sealant or equivalent. Refer to  "RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ".

        CAUTION:
        • After installation, be sure to wipe off any excessive liquid gasket leaking from part "A" and "B" (both on right and left sides).
        • Remove completely any excess of liquid gasket inside bracket.
        Fig 5: Applying Liquid Gasket To No. 1 Camshaft Bracket
        G02384483Courtesy of NISSAN MOTOR CO., U.S.A.
      • Apply liquid gasket to the back side of the front cover as shown.

        Use Genuine RTV Silicone Sealant or equivalent. Refer to  "RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ".

        Fig 6: Applying Liquid Gasket To Back Side Of Front Cover
        G02384484Courtesy of NISSAN MOTOR CO., U.S.A.
      • Position No. 1 camshaft bracket close to the mounting position, and then install it to prevent from touching liquid gasket applied to each surface.
        Fig 7: Installing No. 1 Camshaft Bracket To Prevent From Touching Liquid Gasket Applied To Each Surface
        G02384485Courtesy of NISSAN MOTOR CO., U.S.A.
      • Temporarily tighten the front cover bolts (4 for each bank) as shown.
    Fig 8: Tightening Front Cover Bolts
    G02384486Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Tighten the camshaft bracket bolts as follows:
    1. Camshaft bracket bolts 
    2. Step 1 (bolts 9-12): 1.96 N.m (0.2 kg-m, 17 in-lb) 
    3. Step 2 (bolts 1-8): 1.96 N.m (0.2 kg-m, 17 in-lb) 
    4. Step 3 (all bolts): 5.88 N.m (0.6 kg-m, 52 in-lb) 
    5. Step 4 (all bolts): 10.4 N.m (1.1 kg-m, 92 in-lb) 
    CAUTION: After tightening the camshaft bracket bolts, be sure to wipe off excessive liquid gasket from the parts listed below.
    • Mating surface of rocker cover
    • Mating surface of front cover
      Fig 9: Tightening Sequence Of Camshaft Bracket Bolts
      G02384487Courtesy of NISSAN MOTOR CO., U.S.A.
    1. Tighten the front cover bolts (4 for each bank) as shown to the specified torque.
      1. Front cover bolts: 11.0 N.m (1.1 kg-m, 8ft - lb) 
    Fig 10: Tightening Front Cover Bolts
    G02384488Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Install the camshaft sprockets using the following procedure:
    1. Install the camshaft sprockets aligning them with the matching marks painted on the timing chain when removed. Align the camshaft sprocket key groove with the dowel pin on the camshaft front edge at the same time. Then temporarily tighten bolts.
      Fig 11: Identifying Alignment Mark (Paint) And Alignment Mark (Stamp)
      G02384489Courtesy of NISSAN MOTOR CO., U.S.A.
      • Install the intake and exhaust side camshaft sprockets by selectively using the groove of the dowel pin according to the bank. (Common part used for both banks.)
    2. Lock the hexagonal part of the camshaft in the same way as for removal, and tighten the bolts.
    3. Check again that the timing mating mark on the timing chain and on each sprocket are aligned.
    Fig 12: Identifying Intake Mark And Exhaust Mark
    G02384490Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Install the chain tensioner using the following procedure:
    NOTE: Left bank is shown.
    1. Install the chain tensioner.
      • Compress the plunger and hold it using a stopper pin when installing.
      • Loosen the slack guide side timing chain by rotating the camshaft hexagonal part if mounting space is small.
        1. Chain tensioner bolts: 6.9 N.m (0.70 kg-m, 61 in-lb) 
      Fig 13: Installing Chain Tensioner
      G02384491Courtesy of NISSAN MOTOR CO., U.S.A.
    2. Remove the stopper pin and release the plunger, and then apply tension to the timing chain.
    3. Install the chain tensioner cover onto the front cover (RH bank).
  7. Check and adjust valve clearances. Refer to "VALVE CLEARANCE ".
  8. Installation of the remaining components is in the reverse order of removal.
    Fig 14: Applying Liquid Gasket To Specified Location
    G02384492Courtesy of NISSAN MOTOR CO., U.S.A.