LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 197 (Engine Mechanical - 1.8L) >> Cylinder Head >> Installation

Cylinder Head: Installation

WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
  1. Before installing cylinder head gasket, apply a bead of Genuine RTV Silicone Sealant or equivalent, to mating surface of cylinder block as shown Fig 1. Refer to RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS .
    Fig 1: Applying Bead Of Genuine RTV Silicone Sealant
    G02007643Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Install the cylinder head gasket.
    • When installing the cylinder head with manifolds, use a new cylinder head gasket. 
  3. Install cylinder head with intake manifolds, tighten the bolts in 5 steps (a - e).
    Fig 2: Identifying Cylinder Head Bolt Washer Installed Direction
    G02007644Courtesy of NISSAN MOTOR CO., U.S.A.
    • Be sure to install washers between bolts and cylinder head. 
    • Do not rotate crankshaft and camshaft separately, or valves will strike piston heads. 
    • Apply new engine oil to cylinder head bolt threads and seat surfaces. 
      Fig 3: Cylinder Head Bolt Tightening Sequence
      G02007645Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 4: Cylinder Head Bolt Specifications
      G02007646Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 5: Graphing Tightening Torques
      G02007647Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Install the camshaftsFig 7.
    Fig 6: Identifying Camshafts
    G02007648Courtesy of NISSAN MOTOR CO., U.S.A.
    • Make sure camshafts are aligned  Fig 7 . 
      Fig 7: Aligning Cam Shafts
      G02007649Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Install camshaft brackets.
    • Make sure camshaft brackets are aligned as marked during disassembly. 
    • Apply new engine oil to bolt threads and seat surface. 
      Fig 8: Installing Camshaft Bearing Caps
      G02007650Courtesy of NISSAN MOTOR CO., U.S.A.
    • Tighten the camshaft bracket bolts in three stages. 
      Fig 9: Tightening Camshaft Bracket Bolts In Sequence
      G02007651Courtesy of NISSAN MOTOR CO., U.S.A.

      Stage 1 - bolts 9 -12,: 2.0 N.m (0.204 kg.m, 17,7 in.lb) 

      then bolts 1 - 8 

      Stage 2 - bolts 1 -12: 5.9 N.m (0.60 kg.m, 52.2 in.lb) 

      Stage 3 - bolts 1-12: 9.0 -11.8 N.m (0.91 -11.8 kg.m, 79-104 in.lb) 

    • If any part of valve assembly or camshaft is replaced, check valve clearance according to reference data. 

      After completing assembly check valve clearance.  Refer to Valve Clearance .

      Reference - valve clearance (cold) 

      Intake: 0.25 - 0.33 mm (0.010 - 0.013 in) 

      Exhaust: 0.32 - 0.40 mm (0.013 - 0.016 in) 

  6. Install the camshaft sprockets.
    • Set timing chain by aligning mating marks with those of camshaft sprockets. 
      Fig 10: Aligning Camshaft Mating Marks
      G02007652Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Install camshaft sprocket bolts to correct torque. Refer to TORQUE SPECIFICATIONS  and Fig 11 .
    • Apply new engine oil to bolt threads and seat surface. 
      Fig 11: Installing Camshaft Sprocket Bolts To Correct Torque
      G02007653Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Install the chain tensioner.
    • Before installing the chain tensioner, insert a suitable pin into pin hole of the chain tensioner. 
    • After installing chain tensioner, remove the pin. 
  9. Install timing chain guide.
    Fig 12: Installing Chain Tensioner & Timing Chain Guide
    G02007654Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Install cylinder head front cover.
    • Apply RTV silicone sealant to cylinder head front cover.
    • Use Genuine RTV Silicone Sealant or equivalent. Refer to RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS .
      Fig 13: Installing Cylinder Head Front Cover
      G02007655Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Install camshaft position sensor (PHASE).
    Fig 14: Installing Camshaft Position Sensor (PHASE)
    G02007656Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Install intake valve timing control solenoid.
  13. Before installing rocker cover, apply a bead of Genuine RTV Silicone Sealant or equivalent to mating surface of cylinder head as shown in Fig 15. Refer to RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS .
    Fig 15: Applying A Bead Of Genuine RTV Silicone Sealant
    G02007657Courtesy of NISSAN MOTOR CO., U.S.A.
  14. Install rocker cover with rocker cover gasket and tighten bolts in numerical order .
  15. Install spark plugs.
  16. Install ignition coils.
  17. Install exhaust manifold.
  18. Install intake manifold rear supports.
    Fig 16: Tightening Bolts In Numerical Order
    G02007658Courtesy of NISSAN MOTOR CO., U.S.A.
  19. Connect the following components.
    • EGR tube
    • Ignition coils
      Fig 17: Installing Ignition Coils
      G02007659Courtesy of NISSAN MOTOR CO., U.S.A.
    • Fuel injector connectors
    • Ground harness
    • Breather pipe

    Harness connectors for:

    • IACV-AAC valve
    • Throttle position sensor
    • Throttle position switch
    • EGR temperature sensor
    • Water hoses from collector
    • Heater hoses
    • PCV hose

    Vacuum hoses for:

    • EVAP canister
    • Power brake booster
    • Fuel pressure regulator
  20. Install front exhaust tube.
  21. Install front engine side covers.
  22. Install air duct to intake manifold collector.
  23. Install drive belts.

    Adjust drive belt deflection. Refer to ,CHECKING DRIVE BELTS .

  24. Install fuel pump fuse. Erase DTC if any DTC appears. Refer to HOW TO ERASE EMISSION-RELATED DIAGNOSTIC INFORMATION [QG18DE (EXCEPT CALIF. CA MODEL)] or HOW TO ERASE EMISSION-RELATED DIAGNOSTIC INFORMATION [QG18DE (CALIF. CA MODEL)] .
scientia non olet · About LEMON Manuals