Lexus NX manuals

Lexus NX: Installation

Lexus NX Service Manual / Drivetrain / P314 (hybrid Transmission / Transaxle) / Hybrid Vehicle Transaxle / Installation

INSTALLATION

PROCEDURE

1. INSTALL NO. 3 MOTOR WATER JACKET COVER ASSEMBLY

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2. INSTALL NO. 1 MOTOR WATER JACKET COVER ASSEMBLY

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3. INSTALL NO. 2 MOTOR WATER JACKET COVER ASSEMBLY

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4. INSTALL MOTOR CONNECTOR PROTECTOR

(a) Apply adhesive to the 2 stud bolts.

Adhesive:

Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

(b) Using an E7 "TORX" socket wrench, install the 2 stud bolts.

Torque:

9.0 N·m {92 kgf·cm, 80 in·lbf}

(c) Install the motor connector protector to the hybrid vehicle transaxle assembly with the 2 bolts.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

5. INSTALL UNION

(a) Install a new O-ring and union to the hybrid vehicle transaxle assembly.

Torque:

27 N·m {275 kgf·cm, 20 ft·lbf}

6. INSTALL TRANSAXLE BREATHER PLUG

(a) Install the transaxle breather plug to the hybrid vehicle transaxle assembly.

Torque:

11.3 N·m {115 kgf·cm, 8 ft·lbf}

7. INSTALL HYBRID TRANSMISSION MASS DAMPER

(a) Install a new gasket and the hybrid transmission mass damper to the hybrid vehicle transaxle assembly.

Torque:

39.2 N·m {400 kgf·cm, 29 ft·lbf}

8. INSTALL NO. 3 AUTOMATIC TRANSMISSION CASE COVER

(a) Install the No. 3 automatic transmission case cover to the hybrid vehicle transaxle assembly with the 2 bolts and attach a new clip.

Torque:

7.0 N·m {71 kgf·cm, 62 in·lbf}

9. INSTALL AUTOMATIC TRANSMISSION CASE COVER

(a) Attach the 2 guides and install the automatic transmission case cover to the No. 3 automatic transmission case cover.

(b) Attach the 2 clamps, and then connect the motor cable.

10. INSTALL NO. 2 AUTOMATIC TRANSMISSION CASE COVER

(a) Install the No. 2 automatic transmission case cover to the hybrid vehicle transaxle assembly with the bolt and a new clip.

Torque:

11.8 N·m {120 kgf·cm, 9 ft·lbf}

11. INSTALL OIL COOLER TUBE CLAMP

(a) Install the oil cooler tube clamp to the hybrid vehicle transaxle assembly with the 2 bolts.

Torque:

11.8 N·m {120 kgf·cm, 9 ft·lbf}

12. INSTALL SHIFT LEVER POSITION SENSOR

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13. INSTALL NO. 1 TRANSMISSION CONTROL CABLE BRACKET

(a) Install the No. 1 transmission control cable bracket to the hybrid vehicle transaxle assembly with the 2 bolts.

Torque:

12 N·m {122 kgf·cm, 9 ft·lbf}

14. INSTALL TRANSMISSION OIL COOLER BRACKET

(a) Temporarily install the transmission oil cooler bracket with the 2 bolts.

(b) Tighten the 2 bolts in the sequence shown in the illustration.

Torque:

8.2 N·m {84 kgf·cm, 73 in·lbf}

15. INSTALL REAR ENGINE MOUNTING BRACKET

(a) Temporarily install the rear engine mounting bracket with the 4 bolts.

(b) Tighten the 4 bolts in the sequence shown in the illustration.

Torque:

45 N·m {459 kgf·cm, 33 ft·lbf}

16. INSTALL REAR ENGINE MOUNTING INSULATOR

(a) Install the rear engine mounting insulator with the through bolt and nut.

Torque:

95 N·m {969 kgf·cm, 70 ft·lbf}

HINT:

When installing the rear engine mounting insulator, align the protrusion of the rear engine mounting bracket with the alignment mark of the rear engine mounting insulator.

*a

Alignment Mark

*b

Protrusion

17. INSTALL ENGINE MOUNTING BRACKET LH

NOTICE:

The bolt has 2 types.

Bolt Length:

Item

Length

for Type A

26.5 mm (1.04 in.)

for Type B

25 mm (0.984 in.)

(a) for Type A:

(1) Clean the bolts and the installation holes in the engine mounting bracket LH.

(2) Apply adhesive to the 4 bolts.

Adhesive:

Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

(3) Temporarily install the engine mounting bracket LH with the 4 bolts.

(4) Tighten the 4 bolts in the sequence shown in the illustration.

Torque:

64 N·m {653 kgf·cm, 47 ft·lbf}

*A

for Type A

*B

for Type B

*a

Bolt Length

(b) for Type B:

(1) Temporarily install the engine mounting bracket LH with the 4 bolts.

(2) Tighten the 4 bolts in the sequence shown in the illustration.

Torque:

41 N·m {418 kgf·cm, 30 ft·lbf}

18. INSTALL NO. 3 OIL COOLER TUBE CLAMP

(a) Install the No. 3 oil cooler tube clamp to the hybrid vehicle transaxle assembly with the bolt.

Torque:

8.2 N·m {84 kgf·cm, 73 in·lbf}

19. INSTALL FRONT ENGINE MOUNTING BRACKET

(a) Temporarily install the front engine mounting bracket with the 3 bolts.

(b) Tighten the 3 bolts in the sequence shown in the illustration.

Torque:

64 N·m {653 kgf·cm, 47 ft·lbf}

20. TEMPORARILY INSTALL HYBRID VEHICLE TRANSAXLE ASSEMBLY

(a) Make sure that the 2 knock pins are installed to the engine assembly.

*1

Knock Pin

(b) Temporarily install the hybrid vehicle transaxle assembly to the engine assembly with the 8 bolts.

Bolt

Bolt Length

A, B

55 mm (2.17 in.)

C

65 mm (2.56 in.)

D

32 mm (1.26 in.)

NOTICE:

  • Do not apply grease either to the spline or to the input shaft assembly.
  • Make sure that the wire harness or similar items are not pinched between the contact surfaces.
  • Do not forcibly pry on the hybrid vehicle transaxle assembly.
  • Make sure to align the hybrid vehicle transaxle assembly so that the input shaft assembly of the hybrid vehicle transaxle assembly will be inserted straight into the inner splines of the transmission input damper assembly.
  • When inserting the input shaft assembly of the hybrid vehicle transaxle assembly into the inner splines of the transmission input damper assembly, do not shake the hybrid vehicle transaxle assembly excessively.
  • When mounting the hybrid vehicle transaxle assembly to the engine assembly, make sure to securely fit the knock pins into the knock holes.

HINT:

Temporarily install bolt B first.

(c) Temporarily install the engine mounting bracket LH with the through bolt and nut.

21. INSTALL FRONT EXHAUST PIPE ASSEMBLY

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22. TEMPORARILY INSTALL FRONT ENGINE MOUNTING INSULATOR

(a) Temporarily install the front engine mounting insulator with the through bolt and nut.

23. INSTALL FRONT CROSSMEMBER SUB-ASSEMBLY

(a) Install the front crossmember sub-assembly with the 6 bolts.

Torque:

for Bolt A :

99 N·m {1010 kgf·cm, 73 ft·lbf}

for Bolt B :

95 N·m {969 kgf·cm, 70 ft·lbf}

24. TIGHTEN FRONT ENGINE MOUNTING INSULATOR

(a) Tighten the through bolt and nut of the front engine mounting insulator.

Torque:

145 N·m {1479 kgf·cm, 107 ft·lbf}

NOTICE:

While holding the nut in place, tighten the through bolt.

25. INSTALL FRONT SUSPENSION CROSSMEMBER SUB-ASSEMBLY

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26. TIGHTEN ENGINE MOUNTING INSULATOR LH

(a) Tighten the through bolt and nut of the engine mounting insulator LH.

Torque:

56 N·m {571 kgf·cm, 41 ft·lbf}

27. REMOVE ENGINE SUPPORT BRIDGE

(a) Remove SST from the vehicle body.

NOTICE:

Prevent SST from contacting the vehicle body or windshield.

28. REMOVE ENGINE HANGER

(a) Remove the 2 bolts, No. 1 engine hanger and No. 2 engine hanger.

*1

No. 1 Engine Hanger

*2

No. 2 Engine Hanger

29. CONNECT RADIATOR RESERVE TANK ASSEMBLY

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30. TIGHTEN HYBRID VEHICLE TRANSAXLE ASSEMBLY

(a) Apply adhesive to the bolt E.

Adhesive:

Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

(b) Tighten the 9 bolts.

Bolt

Bolt Length

Torque

A, B

55 mm (2.17 in.)

64 N*m (653 kgf*cm, 47 ft.*lbf)

C

65 mm (2.56 in.)

46 N*m (469 kgf*cm, 34 ft.*lbf)

D

32 mm (1.26 in.)

44 N*m (449 kgf*cm, 32 ft.*lbf)

E

38 mm (1.50 in.)

28 N*m (286 kgf*cm, 21 ft.*lbf)

31. INSTALL FRONT DRIVE SHAFT ASSEMBLY

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32. INSTALL NO. 2 TRANSMISSION CONTROL CABLE BRACKET

(a) Install the No. 2 transmission control cable bracket to the hybrid vehicle transaxle assembly with the bolt.

Torque:

12 N·m {122 kgf·cm, 9 ft·lbf}

33. CONNECT TRANSMISSION CONTROL CABLE ASSEMBLY

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34. CONNECT WIRE HARNESS

(a) Connect the 7 clamps, 4 connectors and wire harness to the hybrid vehicle transaxle assembly.

35. INSTALL NO. 3 INVERTER COOLING HOSE

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36. INSTALL TRANSMISSION OIL COOLER ASSEMBLY

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37. INSTALL AIR CLEANER CASE SUB-ASSEMBLY

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38. INSTALL AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY

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39. INSTALL AIR CLEANER CAP AND HOSE

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40. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY

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41. INSTALL OUTER COWL TOP PANEL

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42. INSTALL SUSPENSION TOWER DAMPER

  • w/ Performance Damper:

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  • w/o Performance Damper:

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43. INSTALL WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY

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44. INSTALL SERVICE PLUG GRIP

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45. ADD HYBRID TRANSAXLE FLUID

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46. INSPECT HYBRID TRANSAXLE FLUID

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47. INSPECT FOR EXHAUST GAS LEAK

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48. INSPECT FOR FLUID LEAK

49. INSTALL NO. 1 ENGINE UNDER COVER ASSEMBLY

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