Lexus NX: Installation

INSTALLATION

PROCEDURE

1. INSTALL IGNITION COIL ASSEMBLY

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2. INSTALL SENSOR WIRE

(a) Install the sensor wire with the bolt.

Torque:

21 N·m {214 kgf·cm, 15 ft·lbf}

(b) Connect the knock control sensor connector.

3. INSTALL INJECTOR VIBRATION INSULATOR

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4. INSTALL FUEL DELIVERY PIPE

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5. INSTALL INTAKE MANIFOLD

(a) Install a new No. 1 intake manifold to head gasket to the intake manifold.

(b) Temporarily install the intake manifold with the 6 bolts.

(c) Tighten the 6 bolts in the order shown in the illustration. Torque: 21 N·m {214 kgf·cm, 15 ft·lbf}

(d) Connect the purge line hose to the intake manifold, and slide the clamp to secure the hose.

(e) Connect the No. 2 PCV hose to the intake manifold, and slide the clamp to secure the hose.

6. INSTALL WATER INLET HOUSING

(a) Using an E6 "TORX" socket wrench, install the 2 stud bolts to the water inlet housing. Torque: 4.4 N·m {45 kgf·cm, 39 in·lbf} NOTICE: If a stud bolt is deformed or its threads are damaged, replace it.

*a 34 mm (1.34 in.) *b 21 mm (0.827 in.) *c 9.0 mm (0.354 in.)

(b) Install a new gasket and water inlet housing with the 3 bolts and nut. Torque: 43 N·m {438 kgf·cm, 32 ft·lbf}

*a Bolt *b Nut

7. INSTALL OIL COOLER ASSEMBLY

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8. INSTALL THERMOSTAT

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9. INSTALL WATER INLET

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10. INSTALL ENGINE WATER PUMP ASSEMBLY

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11. TEMPORARILY INSTALL NO. 1 EGR PIPE

(a) Temporarily install the No. 1 EGR pipe with the 2 bolts.

12. INSTALL NO. 1 WATER BY-PASS HOSE

(a) Install the No. 1 water by-pass hose to the cylinder block, and slide the hose clamp to secure the hose.

13. INSTALL NO. 3 WATER BY-PASS HOSE

(a) Install the No. 3 water by-pass hose, and slide the hose clamp to secure the hose.

14. TEMPORARILY INSTALL EGR VALVE ASSEMBLY

(a) Install 2 new gaskets to the No. 1 EGR pipe and intake manifold. NOTICE: Make sure that the gasket is installed in the correct direction.

*1 Gasket *a Claw

(b) Temporarily install the No. 1 EGR valve to the intake manifold with the 3 bolts.

(c) Temporarily connect the No. 1 EGR pipe to the EGR valve assembly with the 2 nuts.

15. TEMPORARILY INSTALL EGR COOLER ASSEMBLY

(a) Install a new gasket to the No. 1 EGR pipe. NOTICE: Make sure that the gasket is installed in the correct direction.

*a Claw

(b) Temporarily install the EGR cooler assembly with the nut and bolt.

HINT:

The nut and bolt can be installed to either side depending on the position of the stud bolt.

(c) Connect the No. 5 water by-pass hose to the EGR cooler assembly, and slide the hose clamp to secure the hose.

(d) Temporarily connect the No. 1 EGR pipe to the EGR cooler assembly with the bolt and nut.

16. INSTALL WATER BY-PASS PIPE

(a) Install 2 new gaskets and the water by-pass pipe with the 4 bolts.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

17. TIGHTEN NO. 1 EGR PIPE

(a) Tighten the 3 bolts and 3 nuts. Torque: 21 N·m {214 kgf·cm, 15 ft·lbf}

18. TIGHTEN EGR COOLER ASSEMBLY

(a) Tighten the bolt and nut.

Torque:

21 N·m {214 kgf·cm, 15 ft·lbf}

19. TIGHTEN EGR VALVE ASSEMBLY

(a) Tighten the 3 bolts.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

(b) Connect the No. 1 water by-pass hose and No. 2 water by-pass hose to the EGR valve assembly, and slide the 2 clamps to secure the hose.

20. INSTALL THROTTLE WITH MOTOR BODY ASSEMBLY

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21. INSTALL EXHAUST MANIFOLD CONVERTER SUB-ASSEMBLY

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22. INSTALL MANIFOLD STAY

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23. INSTALL NO. 2 MANIFOLD STAY

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24. INSTALL NO. 2 EGR PIPE

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25. INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR

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26. INSTALL NO. 1 COMPRESSOR MOUNTING BRACKET

(a) Install the No. 1 compressor mounting bracket with the 4 bolts.

Torque:

24.5 N·m {250 kgf·cm, 18 ft·lbf}

27. INSTALL COMPRESSOR ASSEMBLY WITH MOTOR

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28. INSTALL V-RIBBED BELT TENSIONER ASSEMBLY

(a) Install the V-ribbed belt tensioner assembly with the bolt.

Torque:

21 N·m {214 kgf·cm, 15 ft·lbf}

29. INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE

(a) Apply a light coat of engine oil to a new O-ring.

(b) Install the O-ring to the engine oil level dipstick guide.

(c) Install the engine oil level dipstick guide with the bolt.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

(d) Install the engine oil level dipstick.

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