DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical System (2GR-FKS) - Service Information (2 Of 2) >> Cylinder Head >> Disassembly [12/2019 - 10/2022] >> Procedure

Disassembly [12/2019 - 10/2022]: Procedure

  1. REMOVE INTAKE VALVE 
    1. Using SST and wooden blocks, compress the inner compression spring and remove the 6 valve spring retainer locks from the valve spring retainer.
      GTY652238Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Wooden Block
      • SST: 09202-70020 
        1. 09202-01010
        2. 09202-01020
      • SST: 09202-00021 

      HINT: 

      Arrange the removed parts in such a way that they can be reinstalled to their original locations.

    2. Remove the 6 valve spring retainers, 6 inner compression springs and 6 intake valves from the cylinder head LH.

      HINT: 

      Arrange the removed parts in such a way that they can be reinstalled to their original locations.

  2. REMOVE EXHAUST VALVE 
    1. Using SST and wooden blocks, compress the inner compression spring and remove the 6 valve spring retainer locks from the valve spring retainer.
      GTY645833Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Wooden Block
      • SST: 09202-70020 
        1. 09202-01010
        2. 09202-01020
      • SST: 09202-00021 

      HINT: 

      Arrange the removed parts in such a way that they can be reinstalled to their original locations.

    2. Remove the 6 valve spring retainers, 6 inner compression springs and 6 exhaust valves from the cylinder head LH.

      HINT: 

      Arrange the removed parts in such a way that they can be reinstalled to their original locations.

  3. REMOVE INTAKE VALVE STEM OIL SEAL 
    1. Using needle-nose pliers, remove the 6 intake valve stem oil seals from the intake valve guide bush.
      GTY653435Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE EXHAUST VALVE STEM OIL SEAL 

    HINT: 

    Use the same procedure as for the intake side.

  5. REMOVE VALVE SPRING SEAT 
    1. Using compressed air and a Magnet Hand, remove the 12 valve spring seats by blowing air onto them from the cylinder head LH.
      GTY653448Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Arrange the removed parts in such a way that they can be reinstalled to their original locations.

  6. REMOVE NO. 1 STRAIGHT SCREW PLUG 
    NOTE:

    If coolant leaks from a No. 1 straight screw plug or a plug is corroded, replace it.

    1. Using a 10 mm hexagon socket wrench, remove the 2 No. 1 straight screw plugs and 2 water hole gaskets from the cylinder head LH.
      GTY653444Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE NO. 2 STRAIGHT SCREW PLUG 
    NOTE:

    If coolant leaks from a No. 2 straight screw plug or a plug is corroded, replace it.

    1. Using a 14 mm hexagon wrench, remove the No. 2 straight screw plug and cylinder head screw plug gasket from the cylinder head LH.
      GTY681524Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE NO. 3 STRAIGHT SCREW PLUG 
    NOTE:

    If coolant leaks from a No. 3 straight screw plug or a plug is corroded, replace it.

    1. Using a 10 mm hexagon socket wrench, remove the 4 No. 3 straight screw plugs and 4 cylinder head screw plug gaskets from the cylinder head LH.
      GTY653402Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Diesel-Data.com