Honda Cars 2007-2008

Cylinder Head

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Removal & Installation



Specific to:

Honda S2000 2007-2008


NOTE
Be sure the cylinder head is cool to the touch before beginning the removal procedure. The coolant temperature must be below 100°F (38°C).

  1. Relieve the fuel system pressure. Disconnect the negative battery cable. Drain the engine coolant. Drain the engine oil.
  2.  
  3. Remove the air cleaner assembly. Remove the intake air cleaner housing. Remove the drive belt.
  4.  
  5. Remove the intake manifold cover, power brake booster hose and the quick-connect fitting cover, and then disconnect the fuel feed hose.
  6.  
  7. Disconnect the evaporative emission canister hose. Remove the intake manifold bracket retaining bolt. Remove the water outlet cover.
  8.  
  9. Remove the engine wire harness connectors and the wire harness clamps from the cylinder head and intake manifold. Remove the four fuel injector connectors.
  10.  
  11. Disconnect the engine coolant temperature sensor connector, throttle body connector, and the Air/Fuel (A/F) sensor connector.
  12.  
  13. Disconnect the manifold absolute pressure connector, rocker arm oil control solenoid connector, rocker arm oil pressure switch connector, and the Crankshaft Position (CKP) sensor connector.
  14.  
  15. Remove the water bypass hose, EVAP hose and bracket and the intake manifold bracket.
  16.  
  17. Remove the four bolts retaining the exhaust manifold cover. Remove the heat shield retaining bolts. Remove the heat shield.
  18.  
  19. Remove the exhaust manifold cover. Remove the exhaust manifold retaining bolts and remove the exhaust manifold.
  20.  
  21. Remove the intake manifold bracket clips. Remove the intake manifold retaining bolts. Remove the intake manifold.
  22.  
  23. Remove the cylinder head cover retaining bolts. Remove the cylinder head cover.
  24.  
  25. Position the No. 1 piston at TDC. The TDC marks on the cam chain sprocket should align with the cylinder head surface.
  26.  
  27. Remove the end cover and nozzle from the cam chain auto tensioner. Thread a nut onto a 5x0.8 mm bolt at is at least 40 mm long. Thread the bolt into the maintenance hole in the cam chain auto tensioner.
  28.  
  29. Turn the bolt clockwise to compress the cam chain auto tensioner and lock it in place with the nut. Remove the cam chain auto tensioner.
  30.  
  31. Loosen the rocker arm adjusting screws. Remove the camshaft holders and camshafts.
  32.  
  33. Insert the bolts into the rocker shaft holder and remove the rocker arm assembly.
  34.  
  35. Remove the idler gear/cam chain sprocket assembly, idler gear collar and washer.
  36.  
  37. Remove the cylinder head retaining bolts. To prevent warpage, loosen the cylinder head bolts in a 3-step crisscross pattern in the reverse order of the tightening sequence.

    Click image to see an enlarged view

    Fig. Cylinder head loosening sequence-2.2L engines

  38.  
  39. Remove the cylinder head from the engine.
  40.  

To install:


NOTE
Use new O-ring, seals, and gaskets when installing the cylinder head and its components.

  1. Be sure the cylinder head and the engine block surfaces are clean, level, and straight.
  2.  
  3. Be sure the cylinder head dowel pins and control orifice are aligned. Clean the oil control orifice and reinstall it with a new O-ring.
  4.  
  5. Apply liquid gasket, part number 08717-0004, 08718-0001, 08718-0003 or 08718-0009 to the cylinder head mating surface of the block and chain case within 5mm of the edge of the cylinder head gasket.
    NOTE
    Do not install the parts if more than five minutes have elapsed since applying the liquid gasket. Instead, reapply the liquid gasket after removing the old residue.

  6.  
  7. Position the cylinder head on the engine.
  8.  
  9. Coat the threads of the cylinder head retaining bolts with clean engine oil. Tighten the cylinder head bolts sequentially to the proper torque.

    Click image to see an enlarged view

    Fig. Cylinder head torque sequence-2.2L engines

  10.  
  11. Continue the installation in the reverse order of the removal procedure.
  12.  
  13. Reprogram the Crankshaft Position (CKP) pattern. Run the engine until the operating temperature reaches 176 degrees. With the engine stopped clear the CKP pattern. Turn the ignition switch OFF. Turn the ignition switch ON and wait thirty seconds.
  14.  
  15. Road test the vehicle on a level surface. Decelerate the engine speed of 2500 rpm to 1000 rpm. If equipped with automatic transaxle use two Drive positions. If equipped with manual transaxle, use first gear.
  16.  
  17. Stop the vehicle, but keep the engine running.
  18.  
  19. Check PULSAR F/B LEARN in the data list with the HDS. If not complete repeat the procedure. If complete, road test the vehicle on a level surface. Decelerate the engine speed of 5000 rpm to 3000 rpm. If equipped with automatic transaxle use two Drive positions. If equipped with manual transaxle use first gear.
  20.  
  21. Stop the vehicle, but keep the engine running.
  22.  
  23. Check PULSAR F/B LEARN in the data list with the HDS. If not complete repeat the procedure.
  24.  
  25. If completed, turn the ignition switch OFF. Turn the ignition switch ON, wait thirty seconds. The learning procedure is now complete.
  26.  
  27. Enter the antitheft codes for the radio and the navigation system. Set the clock.
  28.  

Specific to:

Honda Fit 2007-2008


NOTE
Mark all wiring and hoses to avoid misconnection. Also, be sure that they do not contact other wiring or hoses, or interfere with other parts. Keep the cam chain away from magnetic fields.

  1. Relieve the fuel pressure.
  2.  
  3. Drain the engine coolant.
  4.  
  5. Remove the air cleaner assembly.
  6.  
  7. Disconnect the evaporative emission (EVAP) canister purge valve connector, throttle body connector, water bypass hoses and purge hose.

    Click image to see an enlarged view

    Fig. Disconnect the evaporative emission (EVAP) canister purge valve connector (A), throttle body connector (B), water bypass hoses (C) and purge hose (D)

  8.  
  9. Disconnect the upper radiator hose and the lower radiator hose.
  10.  
  11. Disconnect the heater hoses.
  12.  
  13. Remove the drive belt. See -Accessory Drive Belts- in this section.
  14.  
  15. Remove the intake manifold. See -Intake Manifold- in this section.
  16.  
  17. Remove the exhaust manifold. See -Exhaust Manifold- in this section.
  18.  
  19. Remove the engine wire harness connectors and wire harness clamps from the cylinder head.
  20.  
  21. Remove or disconnect the following:

    Rocker arm oil control solenoid connector
     
    Rocker arm oil pressure switch connector
     
    Exhaust Gas Recirculation (EGR) valve/EGR valve position sensor connector
     
    Four injector connectors
     
    Engine Coolant Temperature (ECT) sensor 1 connector
     
    Camshaft Position (CMP) sensor connector
     

  22.  
  23. Remove the fuel rail. See -FUEL SYSTEMS- section.
  24.  
  25. Remove the harness holder, ground cable, harness clamps, water bypass hose and engine junction connector clamp.

    Click image to see an enlarged view

    Fig. Remove the harness holder (A), ground cable (B), harness clamps (C), water bypass hose (D) and engine junction connector clamp (E)

  26.  
  27. Disconnect the connecting pipe and water bypass hose from the side of the engine block.
  28.  
  29. Remove the cylinder head cover.
  30.  
  31. Remove the alternator bracket mounting bolts and loosen the alternator mounting bolt.
  32.  
  33. If equipped with A/C, remove the idler pulley.
  34.  
  35. Set the No. 1 piston at top dead center (TDC). The ''UP'' mark on the camshaft sprocket should be at the top, and the TDC grooves on the camshaft sprocket should line up with the top edge of the head.

    Click image to see an enlarged view

    Fig. Set the No. 1 piston at top dead center (TDC) so the ''UP'' mark (A) on the camshaft sprocket should be at the top, and the TDC grooves (B) on the camshaft sprocket should line up with the top edge of the head

  36.  
  37. Check that the TDC mark lines up with the pointer.
  38.  
  39. Remove the water pump pulley.
  40.  
  41. Remove the crankshaft pulley.
  42.  
  43. Disconnect the Crankshaft Position (CKP) sensor connector, then remove the harness clamps.
  44.  
  45. Support the engine with a wood block and a jack under the oil pan.
    WARNING
    Do not place the jack in the center of the oil pan to avoid damaging the oil pan.

  46.  
  47. Remove the ground cable, then remove the side engine mount/bracket assembly.
  48.  
  49. Keep the alternator away from the chain case. Remove the chain case.
  50.  
  51. Make a reference mark, at any position, across the camshaft sprocket and cam chain.
  52.  
  53. Loosely install the crankshaft pulley.
  54.  
  55. Apply new engine oil to the slider surface of the cam chain tensioner slider through the oil return hole in the cylinder head.
  56.  
  57. Hold the crankshaft pulley and set the socket wrench on the camshaft sprocket bolt.
  58.  
  59. Turn the camshaft clockwise to compress the cam chain tensioner, then install the 6 x 1.0 mm bolt in the bolt hole on the engine block through the cam chain tensioner.
    WARNING
    Turning torque should not exceed 41 ft. lbs. (56 Nm), when turning the camshaft. Do not turn the camshaft counterclockwise.



    Click image to see an enlarged view

    Fig. Turn the camshaft clockwise with a wrench (A) to compress the cam chain tensioner, then install the 6 x 1.0 mm bolt (B) in the bolt hole (C) on the engine block through the cam chain tensioner (D)

  60.  
  61. Hold the camshaft with a 27 mm open-end wrench, then remove the camshaft sprocket.
  62.  
  63. Remove the bolt securing the cam chain guide.

    Click image to see an enlarged view

    Fig. Showing the location of the cam chain guide securing bolt

  64.  
  65. Remove the cylinder head bolts. To prevent warpage, loosen the bolts in sequence 1 / 3 turn at a time; repeat the sequence until all bolts are loosened.
  66.  
  67. Remove the cylinder head.

    Click image to see an enlarged view

    Fig. Cylinder head bolt loosening sequence

  68.  

To install:

  1. Clean the cylinder head and block surface.
  2.  
  3. Install the new cylinder head gasket and dowel pins on the engine block. Always use a new cylinder head gasket.
  4.  
  5. Check that the crankshaft keyway is facing up.
  6.  
  7. Install the cylinder head on the engine block.
  8.  
  9. Using new cylinder head bolts, tighten, in sequence, to 22 ft. lbs. (29 Nm). Use a beam-type torque wrench. When using a preset-type torque wrench, be sure to tighten slowly and do not overtighten. If a bolt makes any noise while you are torquing it, loosen the bolt and retighten it from the first step.

    Click image to see an enlarged view

    Fig. Cylinder head bolt tightening sequence

  10.  
  11. Tighten all cylinder head bolts an additional 130°.
    NOTE
    Remove the cylinder head bolt if tightened beyond the specified angle, then go back and repeat the tightening procedure.

  12.  
  13. Install the cam chain guide mounting bolt and tighten to 9 ft. lbs. (12 Nm).
  14.  
  15. Install the cam chain to the camshaft sprocket by aligning the reference mark made during removal, then install the camshaft sprocket on the camshaft.
  16.  
  17. Hold the camshaft with a 27 mm open-end wrench, then tighten the camshaft bolt to 41 ft. lbs. (56 Nm).
  18.  
  19. Loosely install the crankshaft pulley.
  20.  
  21. Apply new engine oil to the slider surface of the cam chain tensioner slider through the oil return hole in the cylinder head.
  22.  
  23. Hold the crankshaft pulley and set the socket wrench on the camshaft sprocket bolt.
  24.  
  25. Turn the camshaft clockwise to compress the cam chain tensioner, then remove the 6 x 1.0 mm bolt.
    WARNING
    Turning torque should not exceed 41 ft. lbs. (56 Nm), when turning the camshaft. Do not turn the camshaft counterclockwise.

  26.  
  27. Check the chain case oil seal for damage If the oil seal is damaged, replace the chain case oil seal.
  28.  
  29. Remove old liquid gasket from the chain case mating surfaces, bolts, and bolt holes.
  30.  
  31. Clean and dry the chain case mating surfaces.
  32.  
  33. Apply liquid gasket to the cylinder head and the engine block mating surface of the chain case. Install the component within 5 minutes of applying the liquid gasket.
  34.  
  35. Apply a 1.5 mm wide bead of the liquid gasket along the broken line.
  36.  
  37. Apply a 3.0 mm wide bead of the liquid gasket to the engine block upper surface contact areas on the chain case.
  38.  
  39. If using liquid gasket P/N 08718-0012, the component must be installed within 4 minutes. If too much time has passed after applying the liquid gasket, remove the old liquid gasket and residue, then reapply new liquid gasket.

    Click image to see an enlarged view

    Fig. Showing locations for application of liquid gasket to timing chain cover

  40.  
  41. Apply liquid gasket, P/N 08718-0001 or 08718-0009, to the oil pan mating surface of the chain case.
  42.  
  43. Install the component within 5 minutes of applying the liquid gasket.
  44.  
  45. Apply a 1.5 mm wide bead of the liquid gasket along the broken line.
  46.  
  47. Apply a 5.0 mm wide bead of the liquid gasket to the shaded area.
  48.  
  49. If using liquid gasket P/N 08718-0012, the component must be installed within 4 minutes. If too much time has passed after applying the liquid gasket, remove the old liquid gasket and residue, then reapply new liquid gasket.

    Click image to see an enlarged view

    Fig. Showing locations for application of liquid gasket to timing chain cover at oil pan mating surface

  50.  
  51. Set the edge of the chain case to the edge of the oil pan, then install the chain case on the engine block. Tighten the bolts as follows:
    WARNING
    When installing the chain case, do not slide the bottom surface onto the oil pan mounting surface.



    Timing chain case-to-oil pan: 9 ft. lbs. (12 Nm)
     
    Timing chain case-to-block: 23 ft. lbs. (31 Nm)
     

  52.  
  53. Wait at least 30 minutes to allow the liquid gasket to cure before filling the engine with oil.
    WARNING
    Do not run the engine for at least 3 hours after installing the chain case.

  54.  
  55. Install the harness clamps, and connect the Crankshaft Position (CKP) sensor connector.
  56.  
  57. Install the side engine mount/bracket assembly, then install the ground cable.
  58.  
  59. Install the crankshaft pulley.
  60.  
  61. Install the cylinder head cover.
  62.  
  63. Install the water pump pulley.
  64.  
  65. If equipped with A/C, install the idler pulley.
  66.  
  67. Install the alternator bracket mounting bolts.
  68.  
  69. Install the drive belt and adjust it.
  70.  
  71. Install the connecting pipe on the side of the block, using a new O-ring.
  72.  
  73. Install the water bypass hose.
  74.  
  75. Install the harness holder, ground cable, harness clamps, water bypass hose and engine junction connector clamp.
  76.  
  77. Install the fuel rail.
  78.  
  79. Install the exhaust manifold.
  80.  
  81. Install the intake manifold.
  82.  
  83. Install the heater hoses.
  84.  
  85. Install the upper radiator hose and the lower radiator hose.
  86.  
  87. Install the purge hose, the water bypass hoses, the throttle body connector and the Evaporative Emission (EVAP) canister purge valve connector.
  88.  
  89. Install the air cleaner assembly.
  90.  
  91. Adjust the valve clearance.
  92.  
  93. After installation, check that all tubes, hoses and connectors are installed correctly:

    Rocker arm oil control solenoid connector
     
    Rocker arm oil pressure switch connector
     
    Exhaust Gas Recirculation (EGR) valve/EGR valve position sensor connector
     
    Four injector connectors
     
    Engine Coolant Temperature (ETC) sensor 1 connector
     
    CMP sensor connector
     

  94.  
  95. Inspect for fuel leaks. Turn the ignition switch to ON (II) (do not operate the starter) so the fuel pump runs for about 2 seconds and pressurizes the fuel line. Repeat this operation three times, then check for fuel leakage at any point in the fuel line.
  96.  
  97. Refill the radiator with engine coolant, and bleed air from the cooling system with the heater valve open.
  98.  
  99. Perform the Crankshaft Position (CKP) pattern clear/CKP pattern learn procedure as follows:
    1. Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the radiator fan comes on.
    2.  
    3. Test-drive the vehicle on a level road: Decelerate (with the throttle fully closed) from an engine speed of 2,500 rpm down to 1,000 rpm with the A/T in 2 position, or M/T in 1st gear.
    4.  
    5. Repeat the previous step several times.
    6.  
    7. Turn the ignition switch OFF.
    8.  
    9. Turn the ignition switch ON (II), and wait 30 seconds.
    10.  

  100.  
  101. Inspect the idle speed. See -FUEL SYSTEMS- section.
  102.  
  103. Inspect the ignition timing. See -ENGINE ELECTRICAL- section.
  104.  

3.0L Engine

Specific to:

Honda Accord 2007


NOTE
Be sure the cylinder head is cool to the touch before beginning the removal procedure. The coolant temperature must be below 100°F (38°C).

  1. Relieve the fuel system pressure. Disconnect the negative battery cable. Drain the engine coolant. Remove the drive belt. Remove the air cleaner.
  2.  
  3. Remove the timing belt. Remove the power steering pump and hose clamp. Remove the alternator.
  4.  
  5. Remove the intake manifold. Remove the six ignition coils.
  6.  
  7. Remove the engine wire harness connectors and wire harness from the cylinder head.
  8.  
  9. Disconnect the six fuel injector connectors, engine coolant temperature sensor connector, Crankshaft Position (CKP) sensor connector, and the EGR valve sensor connector.
  10.  
  11. Disconnect the rocker arm oil control solenoid connector, rocker arm oil pressure switch connector, and the two air fuel ratio sensor connectors. Disconnect the secondary Heated Oxygen (HO2S) sensor connectors.
  12.  
  13. Remove the upper and lower radiator hoses and the heater hoses. Remove the water bypass hose.
  14.  
  15. Remove the ground cable. Remove the bolt securing the harness bracket. Remove the fuel rails. Remove the bolt securing the harness bracket.
  16.  
  17. Remove the front and rear three way catalytic converter. Remove the water passage.
  18.  
  19. Remove the front and rear camshaft pulleys and front and rear back covers.
  20.  
  21. Remove the cylinder head covers.
  22.  
  23. Remove the cylinder head retaining bolts. To prevent warpage, loosen the cylinder head bolts in a 3-step crisscross pattern in the reverse order of the tightening sequence.

    Click image to see an enlarged view

    Fig. Cylinder head loosening sequence-3.0L engine

  24.  
  25. Remove the cylinder head from the engine.
  26.  

To install:


NOTE
Use new O-ring, seals, and gaskets when installing the cylinder head and its components.

  1. Be sure the cylinder head and the engine block surfaces are clean, level, and straight.
  2.  
  3. Be sure the cylinder head dowel pins and control orifice are aligned. Clean the oil control orifice and reinstall it with a new O-ring.
  4.  
  5. Set the timing belt drive pulley to TDC by aligning the TDC mark on the tooth of the timing belt drive pulley with the pointer on the oil pump.
  6.  
  7. Set the camshaft pulleys to TDC by aligning the TDC marks on the camshaft pulleys with the pointers on the back covers.
  8.  
  9. Position the cylinder head on the engine.
  10.  
  11. If the head bolts are Dodecagon type, measure the diameter of each cylinder head bolt between point A and B, see illustration. If either diameter is less than 0.42 in., replace the bolt.
  12.  
  13. Coat the threads of the cylinder head retaining bolts with clean engine oil. Tighten the cylinder head bolts sequentially to the proper torque.

    Click image to see an enlarged view

    Fig. Cylinder head torque sequence-3.0L engine

  14.  
  15. Continue the installation in the reverse order of the removal procedure.
  16.  

3.5L Engine

Specific to:

Honda Accord 2008


NOTE
Be sure the cylinder head is cool to the touch before beginning the removal procedure. The coolant temperature must be below 100°F (38°C).

  1. Properly relieve the fuel system pressure.
  2.  
  3. Disconnect the battery cables.
  4.  
  5. Drain the engine cooling system.
  6.  
  7. Remove the accessory drive belt.
  8.  
  9. Remove the Power Steering (P/S) pump and the bolt securing the P/S hose bracket.
  10.  
  11. Remove the alternator.
  12.  
  13. Remove the intake manifold.
  14.  
  15. Remove the six ignition coils.
  16.  
  17. Remove the timing belt.
  18.  
  19. Disconnect the following engine wire harness connectors and wire harness clamps from the cylinder head:

    Six injector connectors
     
    Knock sensor connector
     
    Engine Coolant Temperature (ECT) sensor 1 connector
     
    Exhaust Gas Recirculation (EGR) valve connector
     
    Front rocker arm pressure switch connector
     
    Rear rocker arm oil pressure switch connector
     
    Camshaft Position (CMP) sensor connector
     
    Two Air/Fuel ratio (A/F) sensor connectors
     
    Two secondary Heated Oxygen sensor (secondary HO2S) connectors
     
    Rocker arm oil pressure sensor connector
     
    Rocker arm oil control solenoid A (BANK 1) connector
     
    Rocker arm oil control solenoid A (BANK 2) connector
     
    Rocker arm oil control solenoid B (BANK 1) connector
     

  20.  
  21. Remove the front warm up three way catalytic converter (front WU-TWC) and the rear warm up three way catalytic converter (rear WU-TWC).
  22.  
  23. Disconnect the fuel supply hose.
  24.  
  25. Remove the connector bracket from the front cylinder head.
  26.  
  27. Remove the harness clamp bracket from the rear cylinder head.
  28.  
  29. Remove the injector bases.
  30.  
  31. Remove the water passage.
  32.  
  33. Remove the camshaft pulleys and the back covers.
  34.  
  35. Remove the cylinder head covers.
  36.  
  37. Remove the cylinder head bolts. To prevent warpage, loosen the bolts in sequence 1 / 3 turn at a time; repeat the sequence until all bolts are loosened.
  38.  
  39. Remove the cylinder heads.

    Click image to see an enlarged view

    Fig. Front cylinder head bolt removal sequence-3.5L Engine



    Click image to see an enlarged view

    Fig. Rear cylinder head bolt removal sequence-3.5L Engine

  40.  

To install:

  1. Clean the cylinder head and the engine block surface.
  2.  
  3. Clean and install the oil control orifices with new O-rings.
  4.  
  5. Install the dowel pins and the new cylinder head gaskets.
  6.  
  7. Clean the timing belt pulleys, the timing belt guide plate, and the upper and lower covers.
  8.  
  9. Set the timing belt drive pulley to top dead center (TDC) by aligning the TDC mark on the tooth of the timing belt drive pulley with the pointer on the oil pump.
  10.  
  11. Set the camshaft pulleys to TDC by aligning the TDC marks on the camshaft pulleys with the pointers on the back covers.
  12.  
  13. Install the cylinder heads on the engine block.
  14.  
  15. Measure the diameter of each cylinder head bolt at point A and point B.
  16.  
  17. If either diameter is less than 0.42 in. (10.6 mm), replace the cylinder head bolt.
  18.  
  19. Apply new engine oil to the threads and under the bolt heads of all cylinder head bolts.
  20.  
  21. Tighten the cylinder head bolts in sequence to 22 ft. lbs. (29 Nm) using a beam-type torque wrench. When using a preset click-type torque wrench, be sure to tighten slowly and do not overtighten. If a bolt makes any noise while you are torquing it, loosen the bolt and retighten it from the first step.
  22.  
  23. Tighten the cylinder head bolts in sequence an additional 90 degrees.
  24.  
  25. If using new bolts, tighten the bolts in sequence an additional 90 degrees.
  26.  
  27. Install the timing belt.
  28.  
  29. Adjust the valve clearance.
  30.  
  31. Install the cylinder head covers.
  32.  
  33. Install the water passage.
  34.  
  35. Install the injector bases.
  36.  
  37. The remainder of the installation is the reverse order of removal.
  38.  
  39. Refill the engine cooling system to the correct level.
  40.  
  41. Start the engine and check for leaks.
  42.  

Hybrid

Specific to:

Honda Civic 2007-2008


NOTE
Connect the Honda Diagnostic System (HDS) to the data link connector (DLC), and monitor the engine coolant temperature (ECT) sensor 1. To avoid damaging the cylinder head, wait until the ECT 1 temperature drops below 100°F (38°C) before loosening the cylinder head bolts.

  1. Properly relieve the fuel system pressure.
  2.  
  3. Remove the engine appearance cover.
  4.  
  5. Drain the engine cooling system.
  6.  
  7. Remove the air intake assembly.
  8.  
  9. Remove the intake manifold. For additional information, refer to the following section, -Intake Manifold, Removal and Installation.-
  10.  
  11. Disconnect the knock sensor connector, and then remove the harness clamp and the connecting pipe.
  12.  
  13. Disconnect the Camshaft Position (CMP) sensor and the Engine Coolant Temperature (ECT) sensor 1 connector, and then remove the harness clamp.
  14.  
  15. Remove the eight ignition coils.
  16.  
  17. Remove the harness holder and disconnect the breather hose.
  18.  
  19. Disconnect the Evaporative Emission (EVAP) canister purge valve connector, and then remove the harness clamp.
  20.  
  21. Disconnect the purge joint from the bracket, and then remove the fuel pipe nut and remove the EVAP canister purge valve bracket bolts.
  22.  
  23. Disconnect the upper radiator hose, the lower radiator hose, the water bypass hose, and the heater hoses.
  24.  
  25. Remove the accessory drive belt.
  26.  
  27. Turn the crankshaft pulley so its Top Dead Center (TDC) mark lines up with the pointer.
  28.  
  29. Remove the water pump.
  30.  
  31. Remove the cylinder head cover.
  32.  
  33. Remove the warm-up three way catalytic converter (WU-TWC).
  34.  
  35. Remove the crankshaft pulley.
  36.  
  37. Support the engine with a suitable jack and a wood block under the oil pan.
  38.  
  39. Remove the ground cable, and then remove the side engine mount bracket.
  40.  
  41. Disconnect the Crankshaft Position (CKP) sensor and the harness clamp, and then remove the dipstick tube.
  42.  
  43. Remove the timing chain case.
  44.  
  45. Make a reference mark across the camshaft sprocket and the timing chain.
  46.  
  47. Loosely install the crankshaft pulley.
  48.  
  49. Apply new engine oil to the sliding surface of the cam chain tensioner through the oil return hole in the cylinder head.
  50.  
  51. Hold the crankshaft pulley and set the socket wrench on the camshaft sprocket bolt.
  52.  
  53. Turn the camshaft clockwise to compress the cam chain tensioner, and then install the 6 x 1.0 mm bolt in the bolt hole in the engine block through the timing chain tensioner.
  54.  
  55. Hold the camshaft with a 27 mm open-end wrench, and then remove the camshaft sprocket.
  56.  
  57. Remove the top bolt that secures the timing chain guide.
  58.  
  59. Remove the cylinder head bolts. To prevent warpage, loosen the bolts in sequence 1 / 3 turn at a time; repeat the sequence until all bolts are loosened.
  60.  
  61. Remove the cylinder head.

    Click image to see an enlarged view

    Fig. Cylinder head bolt removal sequence-1.3L Engine

  62.  

To install:

  1. Clean the cylinder head and the engine block surface.
  2.  
  3. Install the new cylinder head gasket and the dowel pins on the engine block. Always use a new cylinder head gasket.
  4.  
  5. Set the crankshaft to TDC. Align the TDC mark on the crankshaft sprocket with the pointer on the oil pump.
  6.  
  7. Set the No. 1 piston at TDC. The ''UP'' mark on the camshaft sprocket should be at the top, and the TDC grooves on the camshaft sprocket should line up with the top edge of the cylinder head.
  8.  
  9. Install the cylinder head on the engine block.
  10.  
  11. Replace any stretched cylinder head bolts.
  12.  
  13. Apply new engine oil to the threads and flange of all cylinder head bolts. Be sure to install the 165 mm long head bolt (A) in the location shown.
  14.  
  15. Tighten the cylinder head bolts in sequence to 22 ft. lbs. (29 Nm), use a beam-type torque wrench. When using a preset-click-type torque wrench, be sure to tighten slowly and do not overtighten. If a bolt makes any noise while you are torquing it, loosen the bolt and retighten it from the first step. Then tighten the bolts an additional 130°.

    Click image to see an enlarged view

    Fig. Cylinder head bolt torque sequence-1.3L Engine

  16.  
  17. Install the timing chain guide mounting top bolt.
  18.  
  19. Install the cam chain around the camshaft sprocket aligned with the reference mark, and then install the camshaft sprocket on the camshaft.
  20.  
  21. Apply new engine oil to the bolt threads and flange. Hold the camshaft with a 27 mm open-end wrench, and then tighten the bolt to 41 ft. lbs. (56 Nm).
  22.  
  23. Loosely install the crankshaft pulley.
  24.  
  25. Apply new engine oil to the sliding surface of the cam chain tensioner through the oil return hole in the cylinder head.
  26.  
  27. Hold the crankshaft pulley and set the socket wrench on the camshaft sprocket bolt.
  28.  
  29. Turn the camshaft clockwise to compress the cam chain tensioner, and then remove the 6 x 1.0 mm bolt.
  30.  
  31. Remove all of the old liquid gasket from the chain case mating surfaces, the bolts, and the bolt holes.
  32.  
  33. Clean and dry the chain case mating surfaces.
  34.  
  35. Apply liquid gasket, P/N 08717-0004, 08718-0001, 08718-0003, or 08718-0009, evenly to the cylinder head and engine block mating surface of the timing chain case. Install the component within 5 minutes of applying the liquid gasket.
  36.  
  37. Apply liquid gasket, P/N 08718-0001, or 08718-0009 evenly to the oil pan mating surface of the timing chain case. Install the component within 5 minutes of applying the liquid gasket.
  38.  
  39. Set the edge of the chain case to the edge of the oil pan, and then install the chain case on the engine block. Wipe off the excess liquid gasket on the oil pan and chain case mating area.
  40.  
  41. The remainder of the installation is the reverse order of removal.
  42.  
  43. Inspect for fuel leaks.
  44.  
  45. Refill the engine cooling system to the correct level.
  46.  
  47. Start the engine and check for leaks.
  48.  

Non-hybrid
1.8L Engine

Specific to:

Honda Civic 2007-2008

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Be sure the cylinder head is cool to the touch before beginning the removal procedure. The coolant temperature must be below 100°F (38°C).
  4.  
  5. Relieve the fuel system pressure. Disconnect the negative battery cable. Drain the engine coolant.
  6.  
  7. Remove the drive belt. Remove the intake manifold.
  8.  
  9. Remove the harness clamps. Remove the PCV valve hose from the clamp. Remove the air cleaner housing bracket and the harness holder from the cylinder head.
  10.  
  11. If equipped with manual transaxle, remove the upper radiator hose and heater hoses.
  12.  
  13. If equipped with automatic transaxle, remove the upper radiator hose, heater hoses and water bypass hose.
  14.  
  15. Remove the engine wiring harness connectors and the wiring harness clamps from the cylinder head.
  16.  
  17. Remove the injector connectors, coolant temperature connector, air fuel ratio sensor connector and the secondary heated oxygen sensor connector.
  18.  
  19. Disconnect the EGR valve connector, rocker arm oil control solenoid sensor and the rocker arm oil pressure switch connector.
  20.  
  21. Remove the four ignition coils. Remove the three way catalytic converter. Remove the thermostat housing.
  22.  
  23. Remove the cam chain. Remove the cylinder head retaining bolts.
  24.  
  25. To prevent warpage, loosen the cylinder head bolts in a 3-step crisscross pattern in the reverse order of the tightening sequence.
  26.  
  27. Remove the cylinder head from the engine.
  28.  

To install:


NOTE
Use new O-ring, seals, and gaskets when installing the cylinder head and its components.

  1. Be sure the cylinder head and the engine block surfaces are clean, level, and straight.
  2.  
  3. Be sure the cylinder head dowel pins and control orifice are aligned. Clean the oil control orifice and reinstall it with a new O-ring.
  4.  
  5. Set the crankshaft to TDC. Align the TDC mark on the crankshaft sprocket with the pointer on the engine block.
  6.  
  7. Set the camshaft to TDC. The -UP- mark on the camshaft sprocket should be at the top and the TDC grooves on the camshaft sprocket should line up with the top edge of the cylinder head.

    Click image to see an enlarged view

    Fig. Cylinder head torque sequence-1.8L engine

  8.  
  9. Position the cylinder head on the engine.
  10.  
  11. Measure the diameter of each cylinder head bolt between point A and B. If either diameter is less than 0.42 in., replace the bolt.

    Click image to see an enlarged view

    Fig. Cylinder head bolt measurement reference points

  12.  
  13. Coat the threads of the cylinder head retaining bolts with clean engine oil. Tighten the cylinder head bolts sequentially to the proper torque.
  14.  
  15. Continue the installation in the reverse order of the removal procedure.
  16.  
  17. Reprogram the Crankshaft Position (CKP) pattern. Run the engine until the operating temperature reaches 176 degrees. With the engine stopped, clear the CKP pattern. Turn the ignition switch OFF. Turn the ignition switch ON and wait thirty seconds.
  18.  
  19. Road test the vehicle on a level surface. Decelerate the engine speed of 2500 rpm to 1000 rpm. If equipped with automatic transaxle use two Drive positions. If equipped with manual transaxle, use first gear.
  20.  
  21. Stop the vehicle, but keep the engine running.
  22.  
  23. Check PULSAR F/B LEARN in the data list with the HDS. If not complete repeat the procedure. If complete, road test the vehicle on a level surface. Decelerate the engine speed of 5000 rpm to 3000 rpm. If equipped with automatic transaxle use two Drive positions. If equipped with manual transaxle use first gear.
  24.  
  25. Stop the vehicle, but keep the engine running.
  26.  
  27. Check PULSAR F/B LEARN in the data list with the HDS. If not complete repeat the procedure.
  28.  
  29. If completed, turn the ignition switch OFF. Turn the ignition switch ON, wait thirty seconds. The learning procedure is now complete.
  30.  
  31. Enter the antitheft codes for the radio and the navigation system. Set the clock.
  32.  

2.0L Engine

Specific to:

Honda Civic 2007-2008

  1. Be sure the cylinder head is cool to the touch before beginning the removal procedure. The coolant temperature must be below 100°F (38°C).
  2.  
  3. Relieve the fuel system pressure. Disconnect the negative battery cable. Drain the engine coolant.
  4.  
  5. Remove the air cleaner housing. Remove the drive belt. Remove the intake manifold.
  6.  
  7. Remove the exhaust manifold. Remove the evaporative emission canister hose and the brake booster vacuum hose.
  8.  
  9. Remove the quick-connect fitting cover. Disconnect the fuel feed hose. Remove the harness holder from the bracket then remove the harness holder bracket.
  10.  
  11. Remove the upper radiator hose and the heater hoses. Remove the bolt securing the connecting pipe.
  12.  
  13. Remove the fuel injector connectors, the engine coolant temperature sensor connector, the Camshaft Position intake sensor connector and the Camshaft Position exhaust sensor connector.
  14.  
  15. Remove the rocker arm oil control solenoid connector, the rocker arm oil pressure switch connector and the EVAP canister purge valve connector.
  16.  
  17. Remove the cam chain. Remove the rocker arm cover. Remove the rocker arm assembly. Remove the cylinder head retaining bolts.
  18.  
  19. To prevent warpage, loosen the cylinder head bolts in a 3-step crisscross pattern in the reverse order of the tightening sequence.
  20.  
  21. Remove the cylinder head from the engine.
  22.  

To install:


NOTE
Use new O-ring, seals, and gaskets when installing the cylinder head and its components.

  1. Be sure the cylinder head and the engine block surfaces are clean, level, and straight.
  2.  
  3. Be sure the cylinder head dowel pins and control orifice are aligned. Clean the oil control orifice and reinstall it with a new O-ring.
  4.  
  5. Set the crankshaft to TDC. Align the TDC mark on the crankshaft sprocket with the pointer on the engine block.
  6.  
  7. Position the cylinder head on the engine.
  8.  
  9. Measure the diameter of each cylinder head bolt between point A and B. If either diameter is less than 0.42 in., replace the bolt.
  10.  
  11. Coat the threads of the cylinder head retaining bolts with clean engine oil. Tighten the cylinder head bolts sequentially to the proper torque.
  12.  
  13. Continue the installation in the reverse order of the removal procedure.
  14.  

 
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