Lexus NX: 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

-

-

N*m (kgf*cm, ft.*lbf): Specified torque

Non-reusable part

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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 Removal

REMOVAL PROCEDURE 1. PRECAUTION Click here 2. CHECK FOR DTC (a) Check for DTCs. Click here NOTICE: Confirm that P0AA6 (Hybrid Battery Voltage System Isolation Fault) is not output before removing or installing an HV battery module. If this DTC is output, perform troubleshooting for this DTC firs

 VSC OFF Switch Circuit

DESCRIPTION The skid control ECU assembly is connected to the combination meter assembly via CAN communication. Pressing the VSC OFF switch turns off TRAC operation, and pressing and holding this switch turns off TRAC and VSC operation. If TRAC and VSC operations are turned off, the TRAC OFF message

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