CYLINDER HEAD GASKET 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
Disconnect cable from negative auxiliary battery terminal Memorize steering angle neutral point Lane departure alert system (w/ Steering Control)

Click here

Simple intelligent parking assist system*1
Toyota parking assist-sensor system*1
Pre-collision system
Initialize back door lock Power door lock control system

Click here

Replacement of inverter with converter assembly Resolver learning

  • DTCs are stored

  • Slight vibration at a vehicle speed of 5 km/h (3 mph) or less

  • Shock or vibration during acceleration

Click here


    for SFI system

  • Replacement of ECM

 Perform Vehicle Identification Number (VIN) or frame number registration MIL comes on

Click here


    for SFI system

  • Replacement of throttle body assembly

  • Replacement of cylinder head sub-assembly

  • Replacement of camshaft (for intake or exhaust camshaft)

  • Replacement of camshaft timing gear assembly

  • Replacement of fuel injector assembly

  • Replacement of ignition coil assembly

  • Replacement of EGR valve assembly

  • Gas leak from exhaust system is repaired

 Inspection After Repair

  • Poor idle, etc.

  • Engine start function, etc.

Click here

Suspension, tires, etc.

(The vehicle height changes because of suspension or tire replacement)

 Initialize No. 1 headlight ECU sub-assembly LH Automatic headlight beam level control system

Click here

Front wheel alignment adjustment

  1. Clear zero point calibration data.

  2. Perform yaw rate and acceleration sensor zero point calibration.

  • DTCs are stored

  • ABS warning light illuminates

  • Brake warning light/yellow (minor malfunction) illuminates

  • Slip indicator light illuminates

  • VSC disabled or malfunctions

for Initialization:

Click here

for Calibration:

Click here

Replacement of hybrid vehicle transaxle assembly

  • Resolver learning

  • Initialize resolver

  • DTCs are stored

  • Slight vibration at a vehicle speed of 5 km/h (3 mph) or less

  • Shock or vibration during acceleration

Click here

*1: When performing learning using the GTS.

Click here

PROCEDURE


  1. INSTALL ENGINE TO ENGINE STAND

    Click here

  2. REMOVE ENGINE HANGERS

    Click here

  3. REMOVE WATER OUTLET

    Click here

  4. REMOVE EGR PIPE ASSEMBLY

    Click here

  5. REMOVE EGR VALVE ASSEMBLY WITH EGR COOLER

    Click here

  6. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR

    Click here

  7. REMOVE MANIFOLD STAY

    Click here

  8. REMOVE EXHAUST MANIFOLD (TWC: Front Catalyst)

    Click here

  9. REMOVE INTAKE MANIFOLD

    Click here

  10. REMOVE ENGINE OIL LEVEL DIPSTICK

    Click here

  11. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE

    Click here

  12. REMOVE NO. 5 WATER BY-PASS PIPE

    Click here

  13. REMOVE NO. 6 WATER BY-PASS PIPE

    Click here

  14. REMOVE PURGE VALVE (PURGE VSV)

    Click here

  15. REMOVE FUEL VAPOR FEED PIPE

    Click here

  16. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY

    Click here

  17. REMOVE NO. 1 DELIVERY PIPE SPACER

    Click here

  18. REMOVE FUEL INJECTOR ASSEMBLY

    Click here

  19. REMOVE IGNITION COIL ASSEMBLY

    Click here

  20. REMOVE CAMSHAFT POSITION SENSOR

    Click here

  21. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY

    Click here

  22. REMOVE CYLINDER HEAD COVER GASKET

    Click here

  23. REMOVE SPARK PLUG TUBE GASKET

    Click here

  24. SET NO. 1 CYLINDER TO TDC (COMPRESSION)

    Click here

  25. REMOVE CRANKSHAFT PULLEY

    Click here

  26. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY

    Click here

  27. REMOVE TIMING CHAIN COVER OIL SEAL

    Click here

  28. REMOVE TIMING CHAIN COVER SUB-ASSEMBLY

    Click here

  29. REMOVE CHAIN TENSIONER SLIPPER

    Click here

  30. REMOVE NO. 1 CHAIN VIBRATION DAMPER

    Click here

  31. REMOVE NO. 2 CHAIN VIBRATION DAMPER

    Click here

  32. REMOVE CHAIN SUB-ASSEMBLY


    1. A001PHLC01
      *a Loosen the chain sub-assembly
      *b Place the chain sub-assembly on the non-toothed portion of camshaft timing gear assembly

      Using a wrench to hold the hexagonal portion of the camshaft, turn the camshaft timing gear assembly counterclockwise to loosen the chain sub-assembly between the camshaft timing sprocket and camshaft timing gear assembly.

    2. With the chain sub-assembly loosened, separate the chain sub-assembly from the teeth of the camshaft timing gear assembly and place it on the non-toothed portion of camshaft timing gear assembly.

    3. Turn the camshaft clockwise to return it to its original position and remove the chain sub-assembly.

  33. INSPECT CAMSHAFT TIMING GEAR ASSEMBLY

    Click here

  34. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY

    Click here

  35. REMOVE CAMSHAFT TIMING SPROCKET

    Click here

  36. REMOVE CAMSHAFT BEARING CAP

    Click here

  37. REMOVE NO. 2 CAMSHAFT

    Click here

  38. REMOVE CAMSHAFT

    Click here

  39. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY

    Click here

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

    Click here

  41. REMOVE VALVE LASH ADJUSTER ASSEMBLY

    Click here

  42. REMOVE VALVE STEM CAP

    Click here

  43. REMOVE CYLINDER HEAD SUB-ASSEMBLY

    Click here

  44. REMOVE CYLINDER HEAD GASKET


    1. A001OXC

      Remove the cylinder head gasket from the cylinder block sub-assembly.

  45. INSPECT CYLINDER HEAD SET BOLT

    Click here