Lexus NX: Installation
INSTALLATION
PROCEDURE
1. INSTALL INTAKE MANIFOLD
| (a) Connect the purge line hose to the intake manifold, and slide the clamp to secure the hose. HINT: Make sure the hose clamp is oriented as shown in the illustration. |
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(b) Install the vacuum hose to the intake manifold.
(c) Install the wiring harness clamp bracket with the bolt.
Torque:
10 N·m {102 kgf·cm, 7 ft·lbf}
(d) Install a new No. 1 intake manifold to head gasket to the intake manifold.
(e) Install the intake manifold to the vehicle.
2. INSTALL FUEL DELIVERY PIPE
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3. CONNECT FUEL TUBE SUB-ASSEMBLY
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4. CONNECT NO. 1 EGR PIPE
(a) Install a new gasket to the No. 1 EGR pipe.
NOTICE:
Make sure the claws of the gasket face the No. 1 EGR pipe.
(b) Temporarily install the No. 1 EGR pipe with the 3 bolts and nut.
(c) Tighten the 3 bolts and nut to connect the No. 1 EGR pipe.
Torque:
21 N·m {214 kgf·cm, 15 ft·lbf}
5. CONNECT INTAKE MANIFOLD
(a) Temporarily install the intake manifold with the 6 bolts.
| (b) Tighten the 6 bolts in the order shown in the illustration. Torque: 28 N·m {286 kgf·cm, 21 ft·lbf} |
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(c) Connect the No. 2 PCV hose to the intake manifold, and slide the clamp to secure the hose.
6. CONNECT ENGINE WIRE
(a) Attach the 6 clamps and connect the engine wire.
(b) Connect the heated oxygen sensor connector.
7. INSTALL MANIFOLD ABSOLUTE PRESSURE SENSOR
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8. INSTALL EGR VALVE ASSEMBLY
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9. INSTALL AIR CLEANER CASE SUB-ASSEMBLY
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10. INSTALL AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY
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11. INSTALL OUTER COWL TOP PANEL
(a) Install the outer cowl top panel with the 13 bolts.
Torque:
5.5 N·m {56 kgf·cm, 49 in·lbf}
(b) Attach the 4 clamps and connect the wire harness.
(c) Connect the connector.
12. INSTALL SUSPENSION TOWER DAMPER
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w/ Performance Damper:
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w/o Performance Damper:
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13. INSTALL WINDSHIELD WIPER MOTOR ASSEMBLY
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14. INSTALL THROTTLE WITH MOTOR BODY ASSEMBLY
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15. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL
16. INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL
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HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
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17. INSTALL DECK FLOOR BOX LH
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18. INSTALL REAR DECK FLOOR BOX
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19. INSTALL NO. 3 DECK BOARD SUB-ASSEMBLY
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20. ADD ENGINE COOLANT
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21. INSPECT FOR COOLANT LEAK
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22. INSPECT FOR FUEL LEAK
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