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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Freeze Frame Data
FREEZE FRAME DATA FREEZE FRAME DATA NOTICE:
Freeze frame data values will vary depending on the measurement conditions, surroundings, or vehicle conditions. For this reason, there may be a problem even when the values are within specifications.
Turn the power switch on (IG) and park the vehicle
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use these procedures to troubleshoot the airbag system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary battery voltage with the power switch o
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