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Home >> Toyota >> 2021 >> C-HR XLE >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - Service Information (1 Of 2) >> Cylinder Head Gasket >> Removal [08/2020 - ] >> Procedure

Removal [08/2020 - ]: Procedure

  1. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY 

    Refer to REMOVAL [08/2020 - ] 

  2. REMOVE NO. 1 WATER BY-PASS PIPE 
    1. Remove the 2 bolts and No. 1 water by-pass pipe.
      GTY751951Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE VALVE STEM CAP 

    Refer to PROCEDURE - Step 42

  4. REMOVE CYLINDER HEAD SUB-ASSEMBLY 
    1. Using a 10 mm bi-hexagon wrench, uniformly loosen and remove the 10 cylinder head set bolts and 10 plate washers in several steps in the order shown in the illustration.
      Fig 1: Cylinder Head Sub-Assembly Loosening Sequence
      GTY441395Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Removing the cylinder head set bolts in the wrong order may cause warpage or cracking of the cylinder head sub-assembly.
      • Do not drop the plate washers into the cylinder head sub-assembly.
    2. Using a screwdriver, remove the cylinder head sub-assembly by prying between the cylinder head sub-assembly and cylinder block sub-assembly.
      NOTE:

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

      HINT: 

      Tape the screwdriver tip before use.

  5. REMOVE CYLINDER HEAD GASKET 
    1. Remove the cylinder head gasket from the cylinder block sub-assembly.
      GTY768974Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSPECT CYLINDER HEAD FOR FLATNESS 

    Refer to PROCEDURE - Step 1

  7. INSPECT CYLINDER HEAD SET BOLT 

    Refer to PROCEDURE - Step 14