Lexus ES: Components
COMPONENTS
ILLUSTRATION
| *A | w/ Stud Bolt | - | - |
| *1 | VALVE SPRING RETAINER LOCK | *2 | VALVE SPRING RETAINER |
| *3 | INNER COMPRESSION SPRING | *4 | INTAKE VALVE STEM OIL SEAL |
| *5 | VALVE SPRING SEAT | *6 | INTAKE VALVE GUIDE BUSH |
| *7 | SPARK PLUG TUBE | *8 | INTAKE MANIFOLD TO CYLINDER HEAD STUD BOLT |
| *9 | RING PIN | *10 | STRAIGHT PIN |
| *11 | NO. 2 STRAIGHT SCREW PLUG | *12 | CYLINDER HEAD SCREW PLUG GASKET |
| *13 | NO. 1 STRAIGHT SCREW PLUG | *14 | WATER HOLE GASKET |
| *15 | CYLINDER HEAD LH | *16 | INTAKE VALVE |
| *17 | EXHAUST VALVE | *18 | EXHAUST VALVE STEM OIL SEAL |
| *19 | EXHAUST VALVE GUIDE BUSH | *20 | NO. 3 STRAIGHT SCREW PLUG |
| *21 | STUD BOLT | - | - |
| *a | w/ Ring Pin: x 4 w/o Ring Pin: x 2 | - | - |
.png) | N*m (kgf*cm, ft.*lbf): Specified torque | ● | Non-reusable part |
.png) | Adhesive 1324 | ★ | Precoated part |
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Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during
Inspection
INSPECTION CAUTION / NOTICE / HINT HINT:
Use the same procedure for bank 1 and bank 2.
The following procedure is for bank 2.
PROCEDURE 1. INSPECT CYLINDER HEAD LH (a) Using a precision straig
Replacement
REPLACEMENT CAUTION / NOTICE / HINT HINT:
Use the same procedure for bank 1 and bank 2.
The following procedure is for bank 2.
PROCEDURE 1. REPLACE INTAKE VALVE GUIDE BUSH (a) Heat the cylinde
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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspect
O2 Sensor Circuit Bank 1 Sensor 2 Circuit Short to Ground (P013611,...,P015623)
DESCRIPTION In order to obtain a high purification rate of the carbon monoxide (CO), hydrocarbon (HC) and nitrogen oxide (NOx) components in the exhaust gas, a TWC (Three-Way Catalytic Converter) is used. For the most efficient use of the TWC, the air fuel ratio must be precisely controlled so that
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