Lexus NX: Removal
REMOVAL
PROCEDURE
1. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE
| (a) Remove the engine oil level dipstick. |
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(b) Remove the bolt and engine oil level dipstick guide.
(c) Remove the O-ring from the engine oil level dipstick guide.
2. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY
| (a) Remove the bolt and V-ribbed belt tensioner assembly. |
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3. REMOVE COMPRESSOR ASSEMBLY WITH MOTOR
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4. REMOVE NO. 1 COMPRESSOR MOUNTING BRACKET
| (a) Remove the 4 bolts and No. 1 compressor mounting bracket. |
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5. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
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6. REMOVE NO. 2 EGR PIPE
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7. REMOVE NO. 2 MANIFOLD STAY
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8. REMOVE MANIFOLD STAY
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9. REMOVE EXHAUST MANIFOLD CONVERTER SUB-ASSEMBLY
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10. REMOVE THROTTLE WITH MOTOR BODY ASSEMBLY
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11. REMOVE WATER BY-PASS PIPE
| (a) Remove the 4 bolts, water by-pass pipe and 2 gaskets. |
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12. REMOVE EGR COOLER ASSEMBLY
| (a) Slide the hose clamp and disconnect the No. 5 water by-pass hose from the EGR cooler assembly. |
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| (b) Remove the bolt and nut, and disconnect the No. 1 EGR pipe from the EGR cooler assembly. |
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| (c) Remove the bolt, nut and EGR cooler assembly. |
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(d) Remove the gasket from the No. 1 EGR pipe.
13. REMOVE EGR VALVE ASSEMBLY
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14. REMOVE NO. 3 WATER BY-PASS HOSE
| (a) Slide the hose clamp and remove the No. 3 water by-pass hose. |
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15. REMOVE NO. 1 WATER BY-PASS HOSE
| (a) Slide the hose clamp and remove the No. 1 water by-pass hose from the cylinder block. |
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16. REMOVE NO. 1 EGR PIPE
| (a) Remove the 2 bolts and No. 1 EGR pipe. |
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17. REMOVE ENGINE WATER PUMP ASSEMBLY
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18. REMOVE WATER INLET
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19. REMOVE THERMOSTAT
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20. REMOVE OIL COOLER ASSEMBLY
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21. REMOVE WATER INLET HOUSING
| (a) Remove the 3 bolts, nut and water inlet housing from the cylinder block. |
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| (b) Remove the gasket. |
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| (c) Using an E6 "TORX" socket wrench, remove the 2 stud bolts from the water inlet housing. NOTICE: If a stud bolt is deformed or its thread is damaged, replace it. |
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22. REMOVE INTAKE MANIFOLD
| (a) Slide the clamp and disconnect the No. 2 PCV hose from the intake manifold. |
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| (b) Slide the clamp and disconnect the purge line hose from the intake manifold. |
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| (c) Remove the 6 bolts and intake manifold. |
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| (d) Remove the No. 1 intake manifold to head gasket from the intake manifold. |
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23. REMOVE FUEL DELIVERY PIPE
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24. REMOVE INJECTOR VIBRATION INSULATOR
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25. REMOVE SENSOR WIRE
| (a) Disconnect the knock control sensor connector. |
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(b) Remove the bolt and sensor wire.
26. REMOVE IGNITION COIL ASSEMBLY
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READ NEXT:
Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE ENGINE COVER JOINT (a) Remove the 3 engine cover joints. 2. REMOVE SPARK PLUG Click here 3. REMOVE KNOCK CONTROL SENSOR Click here 4. REMOVE ENGINE C
Inspection
INSPECTION PROCEDURE 1. INSPECT NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY (a) Turn the roller by hand and check that it turns smoothly. If the roller does not turn smoothly, replace the No. 1 valve rocker a
Reassembly
REASSEMBLY PROCEDURE 1. INSTALL STIFFENING CRANKCASE RING PIN NOTICE: It is not necessary to remove the ring pin unless it is being replaced. *a Protrusion Height (a) Using a plastic-faced ha
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Components
COMPONENTS ILLUSTRATION *1 AIR CLEANER CAP SUB-ASSEMBLY *2 AIR CLEANER CASE SUB-ASSEMBLY *3 AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY *4 HEATER ACCESSORY ASSEMBLY *5 HEATER WATER INLET HOSE A *6 HEATER WATER OUTLET HOSE A *7 FUEL VAPOR FEED HOSE *8 NO. 2 FUEL VA
