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
Auxiliary battery terminal is disconnected/reconnected Memorize steering angle neutral point LKA/LDA system

Click here

Pre-collision system
Parking assist monitor system

Click here

Steering sensor zero point calibration Variable gear ratio steering system

Click here

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

w/ Canister Pump Module: Click here

w/o Canister Pump Module: Click here


  • Replacement of cylinder head sub-assembly

  • Replacement of camshaft (for intake or exhaust camshaft)

  • Replacement of camshaft timing gear assembly

  • Replacement of camshaft timing exhaust gear assembly

  • Replacement of fuel injector assembly (for port injection)

  • Replacement of fuel injector assembly (for direct injection)

  • Replacement of fuel pump assembly (for high pressure side)

  • Replacement of ignition coil assembly

  • Replacement of EGR valve assembly

  • Air leaks from intake system

  • Gas leak from exhaust system is repaired

 Inspection after repair

  • Poor idle, etc.

  • Engine start function, etc.

w/ Canister Pump Module: Click here

w/o Canister Pump Module: Click here

Replacement of engine assembly Inspection after repair
Drive learning*2

  • Large shift shock

  • Deterioration of fuel efficiency

Click here

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

Click here

Suspension, tires, etc*1 Television camera assembly optical axis (Back camera position setting) Parking assist monitor system

Click here

*1: The vehicle height changes due to suspension or tire replacement.
*2: After performing the confirmation driving pattern, if the shock during acceleration is large after calibrating the "A/T Code Reset", perform driving learning.

PROCEDURE


  1. REMOVE TIMING CHAIN COVER ASSEMBLY

    Click here

  2. SET NO. 1 CYLINDER TO TDC/COMPRESSION

    Click here

  3. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY

    Click here

  4. REMOVE CHAIN TENSIONER SLIPPER

    Click here

  5. REMOVE CHAIN SUB-ASSEMBLY

    Click here

  6. REMOVE CAMSHAFT TIMING GEARS AND NO. 2 CHAIN SUB-ASSEMBLY (for Bank 1)


    1. B000SF7C01
      *a Pin
      *b Plunger
      *c Push

      While raising the No. 2 chain tensioner assembly, insert a pin of 1.0 mm (0.0394 in.) diameter into the hole to hold the No. 2 chain tensioner assembly.

    2. B000QA1C01
      *a Turn
      *b Hold

      Using a wrench to hold the hexagonal portion of each camshaft, loosen the camshaft timing gear bolt of the camshaft timing gear assembly.

      Note


      • Be careful not to damage the cylinder head sub-assembly with the wrench.

      • Do not loosen the other bolts. If any of the bolts is loosened, replace the camshaft timing gear assembly and/or the camshaft timing exhaust gear assembly with a new one.

    3. B004CBCC01
      *a Turn
      *b Hold

      Using a wrench to hold the hexagonal portion of each camshaft, loosen the camshaft timing gear bolt of the camshaft timing exhaust gear assembly RH.

      Note


      • Be careful not to damage the cylinder head sub-assembly with the wrench.

      • Do not loosen the other bolts. If any of the bolts is loosened, replace the camshaft timing gear assembly and/or the camshaft timing exhaust gear assembly with a new one.

    4. Remove the 2 bolts and the camshaft timing gear assembly together with the No. 2 chain.

  7. REMOVE NO. 2 CHAIN TENSIONER ASSEMBLY


    1. B000QIF

      Remove the bolt and No. 2 chain tensioner assembly.

  8. REMOVE CAMSHAFT BEARING CAP (for Bank 1)


    1. B000PPRC01
      *a Knock Pin
      *b IN
      *c EX

      Check that the camshafts are positioned as shown in the illustration.

    2. B000SJ6N01

      Uniformly loosen and remove the 9 bearing cap bolts in several steps and in the sequence shown in the illustration.

    3. B000TISN01

      Uniformly loosen and remove the 15 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. B000RPY

      Remove the 2 oil control valve filters from the 2 camshaft bearing caps.

  9. REMOVE FUEL PUMP LIFTER HOUSING


    1. B000RTR

      Remove the fuel pump lifter housing.

  10. REMOVE CAMSHAFT


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

  11. REMOVE NO. 2 CAMSHAFT


    1. Remove the No. 2 camshaft from the camshaft housing sub-assembly.

  12. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY RH


    1. B000TC8C01
      *a Protective Tape

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

      Note

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

      Tech Tips

      Tape the screwdriver tip before use.

  13. REMOVE CAMSHAFT TIMING GEARS AND NO. 2 CHAIN (for Bank 2)


    1. B000QZTC01
      *a Pin
      *b Plunger
      *c Push

      While pushing down the No. 3 chain tensioner assembly, insert a pin of 1.0 mm (0.0394 in.) diameter into the hole to hold the No. 3 chain tensioner assembly.

    2. B004B3VC01
      *a Turn
      *b Hold

      Using a wrench to hold the hexagonal portion of each camshaft, loosen the camshaft timing gear bolt of the camshaft timing gear assembly.

      Note


      • Be careful not to damage the cylinder head sub-assembly with the wrench.

      • Do not loosen the other bolts. If any of the bolts is loosened, replace the camshaft timing gear assembly and/or the camshaft timing exhaust gear assembly with a new one.

    3. B0049Z3C01
      *a Turn
      *b Hold

      Using a wrench to hold the hexagonal portion of each camshaft, loosen the camshaft timing gear bolt of the camshaft timing exhaust gear assembly LH.

      Note


      • Be careful not to damage the cylinder head sub-assembly with the wrench.

      • Do not loosen the other bolts. If any of the bolts is loosened, replace the camshaft timing gear assembly and/or the camshaft timing exhaust gear assembly with a new one.

    4. Remove the 2 bolts and the camshaft timing gear together with the No. 2 chain sub-assembly.

  14. REMOVE NO. 3 CHAIN TENSIONER ASSEMBLY


    1. B000OOR

      Remove the bolt and No. 3 chain tensioner assembly.

  15. REMOVE CAMSHAFT BEARING CAP (for Bank 2)


    1. B000QREC01
      *a Knock Pin
      *b IN
      *c EX

      Check that the camshafts are positioned as shown in the illustration.

    2. B000R5TN01

      Uniformly loosen and remove the 8 bearing cap bolts in several steps and in the sequence shown in the illustration.

    3. B000TMXN01

      Uniformly loosen and remove the 13 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 5 camshaft bearing caps.

    5. B000OU1

      Remove the 2 oil control valve filters from the 2 camshaft bearing caps.

  16. REMOVE NO. 3 CAMSHAFT SUB-ASSEMBLY


    1. Remove the No. 3 camshaft sub-assembly from the camshaft housing sub-assembly LH.

  17. REMOVE NO. 4 CAMSHAFT SUB-ASSEMBLY


    1. Remove the No. 4 camshaft sub-assembly from the camshaft housing sub-assembly LH.

  18. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY LH


    1. B000R7LC01
      *a Protective Tape

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

      Note

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

      Tech Tips

      Tape the screwdriver tip before use.

  19. REMOVE NO. 1 CHAIN VIBRATION DAMPER


    1. B000PBK

      Remove the 2 bolts and No. 1 chain vibration damper.

  20. REMOVE NO. 2 CHAIN VIBRATION DAMPER


    1. B000PHD

      Remove the 2 No. 2 chain vibration dampers.

  21. REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY


    1. Remove the 24 No. 1 valve rocker arm sub-assemblies.

      Tech Tips

      Arrange the removed parts in the correct order.

  22. REMOVE VALVE LASH ADJUSTER ASSEMBLY


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

      Tech Tips

      Arrange the removed parts in the correct order.

  23. REMOVE VALVE STEM CAP


    1. Remove the 24 valve stem caps.

      Tech Tips

      Arrange the removed parts in the correct order.

  24. REMOVE REAR WATER BY-PASS JOINT

    Click here

  25. REMOVE NO. 2 FUEL PIPE SUB-ASSEMBLY

    Click here

  26. REMOVE FUEL DELIVERY WITH SENSOR PIPE ASSEMBLY LH

    Click here

  27. REMOVE FUEL DELIVERY PIPE RH

    Click here

  28. REMOVE FUEL INJECTOR ASSEMBLY (for Direct Injection)

    Click here

  29. REMOVE FUEL INJECTOR SEAL

    Click here

  30. REMOVE CYLINDER HEAD SUB-ASSEMBLY


    1. B000TBQN02

      Using a 10 mm bi-hexagon 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.

      • Cylinder head 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.

  31. REMOVE CYLINDER HEAD GASKET


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

  32. REMOVE CYLINDER HEAD LH


    1. B000PGSN01

      Uniformly loosen and remove the bolts in the sequence shown in the illustration.

    2. B000O4NN01

      Using a 10 mm bi-hexagon 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.

      • Cylinder head 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.

    3. Remove the cylinder head LH.

  33. REMOVE NO. 2 CYLINDER HEAD GASKET


    1. Remove the No. 2 cylinder head gasket from the cylinder block sub-assembly.

  34. INSPECT CYLINDER HEAD SET BOLT


    1. B000SYGC01
      *a Measurement Point
      *b 100 mm

      Using a vernier caliper, measure the diameter of the threads at the measurement point.

      Standard Diameter
      10.85 to 11.00 mm (0.427 to 0.433 in.)
      Minimum Diameter
      10.70 mm (0.421 in.)
      Measurement Point (Distance from the Seat)
      100 mm (3.94 in.)

      Tech Tips


      • If the diameter is less than the minimum, replace the cylinder head set bolt. Failure to do so may lead to engine damage.

      • If there is any thread deformation, replace the cylinder head set bolt with a new one.

  35. INSPECT CYLINDER HEAD SUB-ASSEMBLY

    Click here