Lexus ES manuals

Lexus ES: A25a-fks Spark Plug

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 spark plug removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

  • Replacement of ignition coil assembly
  • Replacement of spark plug

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

PROCEDURE

1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

Click here

2. REMOVE IGNITION COIL ASSEMBLY

Click here

3. REMOVE SPARK PLUG

(a) Remove the 4 spark plugs from the cylinder head sub-assembly.

NOTICE:

If a spark plug has been struck or dropped, replace it.

HINT:

Arrange the removed parts in the correct order.

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.

Click here

PROCEDURE

1. INSTALL SPARK PLUG

HINT:

Perform "Inspection After Repair" after replacing a spark plug.

Click here

(a) Install the 4 spark plugs to the cylinder head sub-assembly.

Torque:

20 N·m {204 kgf·cm, 15 ft·lbf}

NOTICE:

If a spark plug has been struck or dropped, replace it.

HINT:

Install the same parts to their original positions.

2. INSTALL IGNITION COIL ASSEMBLY

Click here

3. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY

Click here

4. PERFORM INITIALIZATION

(a) Perform "Inspection After Repair" after replacing an ignition coil assembly or spark plug.

Click here

READ NEXT:

 A25a-fxs Air Cleaner Filter Element

Components COMPONENTS ILLUSTRATION *1 AIR CLEANER CAP SUB-ASSEMBLY *2 AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY Removal REMOVAL PROCEDURE

 A25a-fxs Auxiliary Battery

 Components

COMPONENTS ILLUSTRATION *1 AUXILIARY BATTERY *2 BATTERY HOSE *3 NEGATIVE AUXILIARY BATTERY TERMINAL *4

SEE MORE:

 Tire Pressure Monitor ECU Communication Stop (C2179)

DESCRIPTION The main body ECU (multiplex network body ECU) sends signals to the tire pressure warning ECU and receiver via a direct line. DTC No. Detection Item DTC Detection Condition Trouble Area Note C2179 Tire Pressure Monitor ECU Communication Stop Communication between the m

 Engine Coolant Temperature Sensor

ComponentsCOMPONENTS ILLUSTRATION *1 ENGINE COOLANT TEMPERATURE SENSOR - - ● Non-reusable part - - RemovalREMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and i

© 2016-2026 Copyright www.lexguide.net