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 |
|---|---|---|---|
|
Inspection after repair |
|
|
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.
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PROCEDURE
1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY
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2. REMOVE IGNITION COIL ASSEMBLY
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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.
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PROCEDURE
1. INSTALL SPARK PLUG
HINT:
Perform "Inspection After Repair" after replacing a spark plug.
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(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
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3. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY
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4. PERFORM INITIALIZATION
(a) Perform "Inspection After Repair" after replacing an ignition coil assembly or spark plug.
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PROCEDURE
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