Lexus NX: Components
Lexus NX Service Manual / Engine & Hybrid System / 2ar-fxe (engine Mechanical) / Cylinder Head / Components
COMPONENTS
ILLUSTRATION
| *1 | EXHAUST VALVE | *2 | EXHAUST VALVE GUIDE BUSH |
| *3 | INTAKE VALVE | *4 | INTAKE VALVE GUIDE BUSH |
| *5 | NO. 1 STRAIGHT SCREW PLUG | *6 | NO. 2 STRAIGHT SCREW PLUG |
| *7 | RING PIN | *8 | SPARK PLUG TUBE |
| *9 | VALVE SPRING SEAT | *10 | VALVE STEM OIL SEAL |
| *11 | INNER COMPRESSION SPRING | *12 | STUD BOLT |
| *13 | VALVE SPRING RETAINER LOCK | *14 | VALVE SPRING RETAINER |
| *15 | GASKET | - | - |
.png) | N*m (kgf*cm, ft.*lbf): Specified torque | ● | Non-reusable part |
.png) | Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent | ★ | Precoated part |
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Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE INTAKE VALVE (a) Using SST and wooden blocks, compress the inner compression spring and remove the valve spring retainer locks. SST: 09202-70020 SST: 09202-00021
Inspection
INSPECTION PROCEDURE 1. INSPECT CYLINDER HEAD SUB-ASSEMBLY (a) Using a precision straightedge and feeler gauge, measure the warpage of the contact surfaces where the cylinder head contacts the cylinde
Replacement
REPLACEMENT PROCEDURE 1. REPLACE INTAKE VALVE GUIDE BUSH (a) Heat the cylinder head sub-assembly to approximately 80 to 100°C (176 to 212°F). (b) Place the cylinder head sub-assembly on wooden block
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Calibration
CALIBRATION TORQUE SENSOR ZERO POINT CALIBRATION (USING THE Techstream) NOTICE: Perform torque sensor zero point calibration if any of the following conditions occur:
The power steering ECU assembly has been replaced.
The electric power steering column sub-assembly has been replaced.
There is
System Diagram
SYSTEM DIAGRAM SYSTEM DIAGRAM (a) The CAN communication system is composed of 5 buses. CAN Main Bus Line Terminating Resistor CAN Branch Line * Gateway Function Equipped ECU Bus Monitoring Direction - - Connected to Code ECU/Sensor Name CAN DTC Storage
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