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.

*a Top *b Rear

(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}

(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

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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