Toyota Yaris: Cylinder Head Gasket / Removal

Toyota Yaris XP210 (2020-2023) 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 (2020-2023) Reapir and Service Manual: Diagnosis System


    DIAGNOSIS SYSTEM DIAGNOSIS FUNCTION (a) The diagnosis function turns off the cruise control indicator and displays a warning message when a malfunction is detected. When a malfunction is detected in the dynamic radar cruise control system, DTCs are stored in the ECM or millimeter wave radar sensor assembly...

    Toyota Yaris XP210 (2020-2023) Reapir and Service Manual: Problem Symptoms Table


    PROBLEM SYMPTOMS TABLE If there are no DTCs output and the problem still occurs, check the suspected areas for each problem symptom in the order given in the following table and proceed to the relevant troubleshooting page. NOTICE: When replacing the skid control ECU (brake actuator assembly), sensors, etc...

    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

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