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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Low Beam Headlight Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) controls the low beam headlights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
Recognition code registration is necessary when replacing
Throttle Actuator Control Motor Current Range / Performance (P2118)
DESCRIPTION The electronic throttle control system has a dedicated power supply circuit. The voltage (+BM) is monitored and when it is low (less than 4 V), the ECM determines that there is a malfunction in the electronic throttle control system and cuts off the current to the throttle actuator. When
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