Toyota Yaris: Cylinder Head Gasket / Removal

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Engine & Hybrid System / G16e-gts (engine Mechanical) / Cylinder Head Gasket / Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during 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

  • Cylinder head sub-assembly

Inspection After Repair

  • Poor idle, etc.
  • Engine start function, etc.

NOTICE:

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

Click here

HINT:

When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

  • Learning completes when vehicle is driven

    Effect/Inoperative Function When Necessary Procedures are not Performed

    Necessary Procedures

    Link

    Lane tracing assist system

    Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 second or more.

    Pre-collision system

    Stop and start system

    Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes)

  • Learning completes when vehicle is operated normally

    Effect/Inoperative Function When Necessary Procedures are not Performed

    Necessary Procedures

    Link

    Power door lock control system

    • Back door opener

    Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.

    Air conditioning system

    After the ignition switch is turned to ON, the servo motor standard position is recognized.

    -

PROCEDURE

1. REMOVE INTAKE CAMSHAFT SUB-ASSEMBLY

Click here

2. REMOVE NO. 1 CAMSHAFT BEARING CAP

Click here

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

Click here

4. REMOVE VALVE LASH ADJUSTER ASSEMBLY

Click here

5. REMOVE VALVE STEM CAP

Click here

6. REMOVE CYLINDER HEAD SUB-ASSEMBLY

Click here

7. REMOVE CYLINDER HEAD GASKET

(a) Remove the cylinder head gasket from the cylinder haed sub-aseembly/

8. INSPECT CYLINDER HEAD SET BOLT

Click here

9. INSPECT CYLINDER HEAD SUB-ASSEMBLY

Click here

    Components

    COMPONENTS ILLUSTRATION *1 NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY *2 VALVE LASH ADJUSTER ASSEMBLY *3 VALVE STEM CAP *4 CYLINDER HEAD SUB-ASSEMBLY *5 CYLINDER HEAD GASKET *6 CYLINDER HEAD SET BOLT *7 NO...

    Installation

    INSTALLATION CAUTION / NOTICE / HINT NOTICE: This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts...

    Other information:

    Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Horn Circuit


    DESCRIPTION When the theft deterrent system is switched from the armed state to the alarm sounding state, the main body ECU (multiplex network body ECU) transmits a signal to cause the horn to sound at intervals of 0.4 seconds. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: If the main body ECU (multiplex network body ECU) is replaced, refer to the Registration...

    Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Registration


    REGISTRATION PROCEDURE 1. REPAIR INSTRUCTION CAUTION: As weak radio waves are emitted from the electrical key transmitter sub-assembly, if a pacemaker is being used, be sure to read the pacemaker instruction manual and the following. People with implantable cardiac pacemakers, cardiac resynchronization therapy-pacemakers or implantable cardioverter defibrillators should keep away from the Smart Key system antennas...

    Categories

    Liftgate/Trunk Lid

    WARNING

    Never allow a person to ride in the luggage compartment/trunk

    Allowing a person to ride in the luggage compartment/trunk is dangerous. The person in the luggage compartment/trunk could be seriously injured or killed during sudden braking or a collision.

    Do not drive with the liftgate/trunk lid open

    read more

     
    Copyright © 2025 www.toyaris4.com