CYLINDER HEAD GASKET REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the cylinder head gasket removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Battery terminal is disconnected/reconnected Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes) Stop and start system

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Memorize steering angle neutral point LKA/LDA system

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Parking support brake system*1
Pre-collision system
Adaptive high beam system

    Lighting system (EXT)

  • Cornering lights
Variable gear ratio steering system

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Parking assist monitor system

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Panoramic view monitor system

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Initialize rear door sunshade system Rear door sunshade system

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Initialize power trunk lid system Power trunk lid system

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  • Throttle body with motor assembly

  • Cleaning the deposits from the throttle body with motor assembly

  • Cam timing control motor with EDU assembly (Including removal and installation)

  • Camshaft timing intake gear assembly (Including removal and installation)

  • Cylinder head sub-assembly

  • Camshaft (for intake or exhaust camshaft)

  • Camshaft timing exhaust gear assembly

  • Piston

  • Mass air flow meter sub-assembly

  • Port fuel injector assembly

  • Direct fuel injector assembly

  • Fuel pump (for low pressure side)

  • Fuel pump assembly (for high pressure side)

  • Air fuel ratio sensor (sensor 1)

  • Air fuel ratio sensor (sensor 2)

  • Engine coolant temperature sensor (for inlet side)

  • Engine coolant temperature sensor (for cylinder head side)

  • Engine coolant temperature sensor (for outlet side)

  • Spark plug

  • Ignition coil assembly

  • Air leaks from intake system

  • Gas leaks from exhaust system

  • Knock control sensor

  • Turbocharger sub-assembly

 Inspection after repairs

  • Poor idle, etc.

  • Engine start function, etc.

w/ Canister Pump Module:

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w/o Canister Pump Module:

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Piston ring Inspection after repair

  • Poor idle, etc.

  • Engine start function, etc.

    Heavy Knock History

  • Initializes the stored history data

 -
Front exhaust pipe assembly*2 GPF deposition value clear

  • MIL comes on

  • Deterioration of fuel efficiency

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Replacement of engine assembly Inspection after repair

  • Poor idle, etc.

  • Engine start function, etc.

w/ Canister Pump Module:

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w/o Canister Pump Module:

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  • Reset memory

  • Perform road test to allow ECM to learn

  • Large shift shock

  • Deterioration of fuel efficiency

for AGA0E:

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for AGA0F:

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ECM Vehicle Identification Number (VIN) registration DTC P063051 is output

w/ Canister Pump Module:

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w/o Canister Pump Module:

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    Heavy Knock History

  • Save history

  • Write history

 -
Parts between the steering wheel and tires have been removed/installed, replaced or adjusted Perform Actuator Angle Neutral Point Calibration and Initialization

  • Variable gear ratio steering system

  • Steering wheel off-center

  • DTCs are output

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Suspension, tires, etc

  • Ultrasonic sensor detection angle

  • Ultrasonic sensor detection angle registration

 Parking support brake system

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  • Parking assist ECU initialization

  • Adjust steering angle

  • Rear television camera view adjustment (for Rear camera detection system)

 Panoramic view monitor system

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Rear television camera assembly optical axis (Back camera position setting) Parking assist monitor system

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*1: When performing learning using the GTS.
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*2: w/ Gasoline Particulate Filter

Note

This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

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PROCEDURE


  1. REMOVE ENGINE ASSEMBLY WITH TRANSMISSION

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  2. REMOVE FRONT NO. 1 ENGINE MOUNTING BRACKET RH (for 2WD)

    Click here

  3. REMOVE DIRECT FUEL INJECTOR ASSEMBLY (for High Pressure)

    Click here

  4. REMOVE NO. 1 TURBOCHARGER SUB-ASSEMBLY

    Click here

  5. REMOVE NO. 2 TURBOCHARGER SUB-ASSEMBLY

    Click here

  6. REMOVE TIMING CHAIN OR BELT COVER SUB-ASSEMBLY

    Click here

  7. REMOVE OIL PUMP DRIVE CHAIN SUB-ASSEMBLY

    Click here

  8. SET NO. 1 CYLINDER TO TDC/COMPRESSION

    Click here

  9. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY

    Click here

  10. REMOVE CHAIN TENSIONER SLIPPER

    Click here

  11. REMOVE NO. 1 CHAIN SUB-ASSEMBLY

    Click here

  12. REMOVE IDLE SPROCKET ASSEMBLY

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  13. REMOVE NO. 1 CHAIN VIBRATION DAMPER

    Click here

  14. REMOVE NO. 2 CHAIN VIBRATION DAMPER

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  15. REMOVE CRANKSHAFT TIMING GEAR OR SPROCKET

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  16. REMOVE TIMING CHAIN COVER ASSEMBLY

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  17. REMOVE VACUUM PUMP ASSEMBLY

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  18. REMOVE CAMSHAFT BEARING CAP (for Bank 1)


    1. B006C0FE03

      Uniformly loosen and remove the 14 bearing cap bolts in several steps and in the sequence shown in the illustration.

    2. Remove the fuel pump lifter housing RH.

    3. B006CU2E03

      Uniformly loosen and remove the 4 bearing cap bolts in several steps and in the sequence shown in the illustration.

      Note

      Uniformly loosen the bolts while keeping the camshaft level.

    4. Remove the camshaft bearing caps.

      Tech Tips


      • Remove the No. 1 camshaft bearing cap while holding down the chain plunger of the No. 2 chain tensioner assembly.

      • Arrange the removed parts so that they can be reinstalled in their original locations.

  19. REMOVE INTAKE CAMSHAFT SUB-ASSEMBLY RH


    1. Remove the intake camshaft sub-assembly RH from the camshaft housing sub-assembly RH.

    2. Remove the No. 2 chain sub-assembly from the camshaft timing gear assembly and exhaust camshaft timing gear assembly.

  20. REMOVE EXHAUST CAMSHAFT SUB-ASSEMBLY RH


    1. Remove the exhaust camshaft sub-assembly RH from the camshaft housing sub-assembly RH.

  21. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY RH


    1. B006BRPC02
      *a Protective Tape

      Remove the camshaft housing sub-assembly RH by prying between the cylinder head sub-assembly and camshaft housing sub-assembly RH with a screwdriver.

      Note

      Be careful not to damage the contact surfaces of the cylinder head sub-assembly and camshaft housing sub-assembly RH.

      Tech Tips

      Tape the screwdriver tip before use.

  22. REMOVE CAMSHAFT BEARING CAP (for Bank 2)


    1. B006AFKE03

      Uniformly loosen and remove the 17 bearing cap bolts in several steps and in the sequence shown in the illustration.

    2. Remove the fuel pump lifter housing LH.

    3. B006D4CE03

      Uniformly loosen and remove the 6 bearing cap bolts in several steps and in the sequence shown in the illustration.

      Note

      Uniformly loosen the bolts while keeping the camshaft level.

    4. Remove the camshaft bearing caps.

      Tech Tips


      • Remove the No. 5 camshaft bearing cap while holding down the chain plunger of the No. 3 chain tensioner assembly.

      • Arrange the removed parts so that they can be reinstalled in their original locations.

  23. REMOVE INTAKE CAMSHAFT SUB-ASSEMBLY LH


    1. Remove the intake camshaft sub-assembly LH from the camshaft housing sub-assembly LH.

    2. Remove the No. 2 chain sub-assembly from the camshaft timing gear assembly and exhaust camshaft timing gear assembly.

  24. REMOVE EXHAUST CAMSHAFT SUB-ASSEMBLY LH


    1. Remove the exhaust camshaft sub-assembly LH from the camshaft housing sub-assembly LH.

  25. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY LH


    1. B006AWKC02
      *a Protective Tape

      Remove the camshaft housing sub-assembly LH by prying between the cylinder head LH and camshaft housing sub-assembly LH with a screwdriver.

      Note

      Be careful not to damage the contact surfaces of the cylinder head and camshaft housing sub-assembly LH.

      Tech Tips

      Tape the screwdriver tip before use.

  26. REMOVE VALVE ROCKER ARM SUB-ASSEMBLY


    1. Remove the 24 valve rocker arm sub-assemblies.

      Tech Tips

      Arrange the removed parts in the correct order.

  27. REMOVE VALVE LASH ADJUSTER ASSEMBLY


    1. Remove the 24 valve lash adjuster assemblies from the cylinder head sub-assembly.

      Tech Tips

      Arrange the removed parts in the correct order.

  28. REMOVE VALVE STEM CAP


    1. Remove the 24 valve stem caps.

      Tech Tips

      Arrange the removed parts in the correct order.

  29. REMOVE CYLINDER HEAD SUB-ASSEMBLY RH


    1. B006FRVC03
      B006AHR Bolt Length 140 mm (5.51 in.)
      B006EC9 Bolt Length 150 mm (5.90 in.)

      Using a 12 mm socket wrench, uniformly loosen the 8 bolts in the sequence shown in the illustration. Remove the 8 cylinder head set bolts and plate washers.

      Note


      • Be careful not to drop washers into the cylinder head sub-assembly RH.

      • Cylinder head sub-assembly warpage or cracking could result from removing bolts in an incorrect order.

      Tech Tips

      Be sure to keep separate the removed parts for each installation position.

    2. Remove the cylinder head sub-assembly RH.

  30. REMOVE CYLINDER HEAD GASKET RH


    1. Remove the cylinder head gasket RH from the cylinder block sub-assembly RH.

  31. REMOVE CYLINDER HEAD SUB-ASSEMBLY LH


    1. B0069HCC03
      B006AHR Bolt Length 140 mm (5.51 in.)
      B006EC9 Bolt Length 150 mm (5.90 in.)

      Using a 12 mm socket wrench, uniformly loosen the 8 bolts in the sequence shown in the illustration. Remove the 8 cylinder head set bolts and plate washers.

      Note


      • Be careful not to drop washers into the cylinder head sub-assembly LH.

      • Cylinder head sub-assembly warpage or cracking could result from removing bolts in an incorrect order.

      Tech Tips

      Be sure to keep separate the removed parts for each installation position.

    2. Remove the cylinder head sub-assembly LH.

  32. REMOVE CYLINDER HEAD GASKET LH


    1. Remove the cylinder head gasket LH from the cylinder block sub-assembly LH.

  33. INSPECT CYLINDER HEAD SET BOLT

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  34. INSPECT CYLINDER HEAD SUB-ASSEMBLY

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