CYLINDER HEAD DISASSEMBLY

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 sub-assembly disassembly/reassembly 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 spark plug

  • 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 INTAKE VALVE


    1. B004CI9N02

      Using SST, compress the inner compression spring and remove the valve spring retainer locks.

      SST
      09202-70020   ( 09202-01010, 09202-01020 )
      09202-00021
    2. Remove the valve spring retainer, inner compression spring and intake valve.

      Tech Tips

      Arrange the removed parts in the correct order.

  2. REMOVE EXHAUST VALVE


    1. B000T01N03

      Using SST, compress the inner compression spring and remove the valve spring retainer locks.

      SST
      09202-70020   ( 09202-01010, 09202-01020 )
      09202-00021
    2. Remove the valve spring retainer, inner compression spring and exhaust valve.

      Tech Tips

      Arrange the removed parts in the correct order.

  3. REMOVE VALVE STEM OIL SEAL


    1. B000PJ3

      Using needle-nose pliers, remove the valve stem oil seals.

  4. REMOVE VALVE SPRING SEAT


    1. B000RZS

      Using compressed air and a magnet hand, remove the valve spring seats by blowing air onto them.

  5. REMOVE NO. 1 STRAIGHT SCREW PLUG

    Note

    If water leaks from a straight screw plug or the plug is corroded, replace it.

    B000P42C01
    *A for Bank 1
    *B for Bank 2

    1. Using a 10 mm hexagon wrench, remove the 4 No. 1 straight screw plugs and 4 gaskets.

  6. REMOVE NO. 2 STRAIGHT SCREW PLUG

    Note

    If water leaks from a straight screw plug or the plug is corroded, replace it.

    B000QWFC01
    *A for Bank 1
    *B for Bank 2

    1. Using a 14 mm hexagon wrench, remove the 2 No. 2 straight screw plugs and 2 gaskets.

  7. REMOVE NO. 3 STRAIGHT SCREW PLUG

    Note

    If water leaks from a straight screw plug or the plug is corroded, replace it.

    B000OL5C01
    *A for Bank 1
    *B for Bank 2

    1. Using a 10 mm hexagon wrench, remove the 8 No. 3 straight screw plugs and 8 gaskets.

  8. REMOVE UNION

    Note

    It is not necessary to remove the union unless it is being replaced.

  9. REMOVE STUD BOLT

    Note

    If the stud bolt is deformed or the threads are damaged, replace it.