Lexus NX: Removal

REMOVAL

PROCEDURE

1. REMOVE TIMING CHAIN COVER ASSEMBLY

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2. REMOVE EXHAUST MANIFOLD CONVERTER SUB-ASSEMBLY

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3. REMOVE THROTTLE WITH MOTOR BODY ASSEMBLY

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4. REMOVE WATER BY-PASS PIPE

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5. REMOVE EGR COOLER ASSEMBLY

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6. REMOVE EGR VALVE ASSEMBLY

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7. REMOVE NO. 3 WATER BY-PASS HOSE

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8. REMOVE NO. 1 WATER BY-PASS HOSE

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9. REMOVE NO. 1 EGR PIPE

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10. REMOVE INTAKE MANIFOLD

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11. REMOVE FUEL DELIVERY PIPE

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12. REMOVE INJECTOR VIBRATION INSULATOR

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13. SET NO. 1 CYLINDER TO TDC/COMPRESSION

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14. REMOVE TIMING CHAIN GUIDE

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15. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY

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16. REMOVE CHAIN TENSIONER SLIPPER

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17. REMOVE CHAIN SUB-ASSEMBLY

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18. REMOVE NO. 1 CHAIN VIBRATION DAMPER

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19. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY

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20. REMOVE CAMSHAFT TIMING SPROCKET

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21. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY

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22. REMOVE CAMSHAFT BEARING CAP

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23. REMOVE OIL CONTROL VALVE FILTER

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24. REMOVE CAMSHAFT

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25. REMOVE NO. 2 CAMSHAFT

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26. REMOVE NO. 1 CAMSHAFT BEARING

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27. REMOVE NO. 2 CAMSHAFT BEARING

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28. REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY

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29. REMOVE VALVE LASH ADJUSTER ASSEMBLY

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30. REMOVE VALVE STEM CAP

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31. REMOVE CYLINDER HEAD SUB-ASSEMBLY

(a) Using a 10 mm bi-hexagon wrench, uniformly loosen the 10 cylinder head set bolts in the sequence shown in the illustration. Remove the 10 cylinder head set bolts and plate washers.

NOTICE:

  • Be careful not to drop plate washers into the cylinder head sub-assembly.
  • Head warpage or cracking could result from removing bolts in an incorrect order.

HINT:

Be sure to keep the removed parts separate for each installation position.

(b) Remove the cylinder head sub-assembly.

32. REMOVE CYLINDER HEAD GASKET

(a) Remove the cylinder head gasket from the cylinder block.

33. INSPECT CYLINDER HEAD SET BOLT

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34. INSPECT CYLINDER HEAD SUB-ASSEMBLY

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READ NEXT:

 Installation

INSTALLATION CAUTION / NOTICE / HINT HINT: Perform "Inspection After Repairs" after replacing the cylinder head sub-assembly. Click here PROCEDURE 1. INSTALL CYLINDER HEAD GASKET (a) Clean the cylin

 Drive Belt

ComponentsCOMPONENTS ILLUSTRATION *1 FAN AND GENERATOR V BELT *2 REAR ENGINE UNDER COVER RH On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT FAN AND GENERATOR V BELT (

 Engine

SEE MORE:

 Headlamp LH Circuit (B2439,B243A)

DESCRIPTION This DTC is output when the headlight ECU sub-assembly receives an abnormal signal from the headlight unit. The headlight ECU sub-assembly LH outputs DTC B2439 and B243A DTC No. Detection Item DTC Detection Condition Trouble Area B2439 Headlamp LH Circuit Headlight ECU s

 Data List / Active Test

DATA LIST / ACTIVE TEST READ DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may b

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