Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001QEIK
Model Year Start: 2021 Model: RAV4 HV Prod Date Range: [08/2020 -           ]
Title: P710 (HYBRID TRANSMISSION / TRANSAXLE): HYBRID VEHICLE TRANSAXLE: INSTALLATION; 2021 - 2024 MY RAV4 HV [08/2020 -        ]

INSTALLATION

CAUTION / NOTICE / HINT

CAUTION:

The engine assembly with hybrid vehicle transaxle assembly is very heavy. Be sure to follow the procedure described in the repair manual, or the engine lifter may suddenly drop.

PROCEDURE

1. INSTALL TRANSAXLE CASE PROTECTOR

(a) Install the transaxle case protector to the hybrid vehicle transaxle assembly with the clip.

(b) Install the 2 bolts.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

2. INSTALL TRANSAXLE UNDER STOPPER BRACKET

(a) Install the transaxle under stopper bracket to the hybrid vehicle transaxle assembly with the 4 bolts.

Bolt A

Bolt B

Bolt C

Torque:

44 N·m {449 kgf·cm, 32 ft·lbf}

HINT:

Tightening order: Temporarily install bolt (A) → Tighten bolt (B) → Tighten bolt (C) → Tighten bolt (A)

3. INSTALL STUD BOLT

(a) Clean and degrease the bolt holes of the hybrid vehicle transaxle assembly.

(b) Apply adhesive to 2 or 3 threads on the ends of the 2 stud bolts.

Adhesive:

Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

NOTICE:

In order to ensure proper installation of the 2 stud bolts, apply adhesive to the 2 stud bolts and install them within 10 minutes of adhesive application.

(c) Using an E8 "TORX" socket wrench, install the 2 stud bolts to the hybrid vehicle transaxle assembly.

Torque:

30 N·m {306 kgf·cm, 22 ft·lbf}

4. INSTALL TRANSAXLE HOUSING PLUG

(a) Install the transaxle housing plug and a new gasket to the hybrid vehicle transaxle assembly.

Torque:

39.2 N·m {400 kgf·cm, 29 ft·lbf}

5. INSTALL WIRE HARNESS CLAMP BRACKET

(a) Install the 4 wire harness clamp brackets to the hybrid vehicle transaxle assembly with the 4 bolts.

Bolt A

Bolt B

Torque:

for bolt A :

20 N·m {204 kgf·cm, 15 ft·lbf}

for bolt B :

30 N·m {306 kgf·cm, 22 ft·lbf}

6. INSTALL TRANSMISSION WIRE

(a) Install the transmission wire to the hybrid vehicle transaxle assembly with the bolt.

Torque:

13 N·m {133 kgf·cm, 10 ft·lbf}

(b) Connect the connector.

7. INSTALL HOSE BRACKET

(a) Temporarily install the hose bracket to the hybrid vehicle transaxle assembly with the 2 bolts.

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

Torque:

11.5 N·m {117 kgf·cm, 8 ft·lbf}

8. 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}

9. INSTALL MOTOR COOLING COOLER

Click here 2021 - 2024 MY RAV4 HV [08/2020 -        ]; P710 (HYBRID TRANSMISSION / TRANSAXLE): OIL COOLER: INSTALLATION+

10. INSTALL MOTOR CABLE

Click here 2021 - 2024 MY RAV4 HV [08/2020 -        ]; P710 (HYBRID TRANSMISSION / TRANSAXLE): MOTOR CABLE: INSTALLATION+

11. INSTALL HYBRID VEHICLE TRANSAXLE ASSEMBLY

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

Knock Pin

(b) Align the knock pins with the holes in the hybrid transaxle assembly and, while keeping the contact surfaces of the engine assembly and hybrid vehicle transaxle assembly in close contact with one another, temporarily install the bolt (A).

Bolt A

NOTICE:

  • When tightening the bolts, be sure that the contact surfaces of the engine assembly and hybrid vehicle transaxle assembly are in close contact with one another.
  • Do not apply grease to the inner splines of the transmission input damper assembly or input shaft assembly.
  • Make sure that the wire harness or similar items are not pinched between the contact surfaces.
  • Do not use excessive force when installing 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 installing the hybrid vehicle transaxle assembly to the engine assembly, make sure to securely fit the knock pins into the knock pin holes.

(c) While keeping the contact surfaces of the engine assembly and hybrid vehicle transaxle assembly in close contact with one another, install the 8 bolts.

Bolt A

Bolt B

Bolt C

Bolt D

Torque:

for bolt A and bolt B :

64 N·m {653 kgf·cm, 47 ft·lbf}

for bolt C :

46 N·m {469 kgf·cm, 34 ft·lbf}

for bolt D :

25 N·m {255 kgf·cm, 18 ft·lbf}

Bolt

Bolt Length

A and B

50 mm (1.97 in.)

C

45 mm (1.77 in.)

D

35 mm (1.38 in.)

12. INSTALL REAR ENGINE MOUNTING BRACKET

(a) Install the rear engine mounting bracket to the hybrid vehicle transaxle assembly with the 4 bolts.

Bolt A

Bolt B

Bolt C

Torque:

42 N·m {428 kgf·cm, 31 ft·lbf}

HINT:

Tightening order: Temporarily install bolt (A) → Tighten bolt (B) → Tighten bolt (A) → Tighten bolt (C)

13. INSTALL WIRE HARNESS CLAMP BRACKET

(a) Install the wire harness clamp bracket to the rear engine mounting insulator with the bolt.

Torque:

13 N·m {133 kgf·cm, 10 ft·lbf}

14. INSTALL REAR ENGINE MOUNTING INSULATOR

Click here 2021 MY RAV4 HV [08/2020 - 12/2021]; A25A-FXS (ENGINE MECHANICAL): ENGINE ASSEMBLY: INSTALLATION+ 2022 - 2024 MY RAV4 HV [12/2021 -        ]; A25A-FXS (ENGINE MECHANICAL): ENGINE ASSEMBLY: INSTALLATION+

15. INSTALL TRANSVERSE ENGINE ENGINE MOUNTING BRACKET

(a) Install the transverse engine engine mounting bracket to the hybrid vehicle transaxle assembly with the 3 bolts.

Bolt A

Bolt B

Bolt C

Torque:

42 N·m {428 kgf·cm, 31 ft·lbf}

HINT:

Tightening order: Temporarily install bolt (A) → Tighten bolt (B) → Tighten bolt (C) → Tighten bolt (A)

16. INSTALL FRONT ENGINE MOUNTING INSULATOR

(a) Install the front engine mounting insulator to the transverse engine engine mounting bracket with the bolt.

Torque:

72 N·m {734 kgf·cm, 53 ft·lbf}

17. INSTALL FRONT FRAME ASSEMBLY

Click here 2019 - 2024 MY RAV4 HV [11/2018 -        ]; FRONT SUSPENSION: FRONT SUSPENSION MEMBER (for HV Model): INSTALLATION+

18. INSTALL FLYWHEEL HOUSING SIDE COVER

(a) Install the flywheel housing side cover to the engine assembly.

19. INSTALL STARTER HOLE INSULATOR

(a) Install the starter hole insulator to the engine assembly with the 2 bolts.

Torque:

46 N·m {469 kgf·cm, 34 ft·lbf}

20. CONNECT HV AIR CONDITIONING WIRE

(a) Attach the guide to connect the HV air conditioning wire to the hybrid vehicle transaxle assembly.

(b) Install the 2 bolts.

Torque:

20 N·m {204 kgf·cm, 15 ft·lbf}

21. CONNECT ENGINE WIRE

(a) Connect the 5 clamps.

Bolt A

Bolt B

(b) Install the 2 bolts.

Torque:

for bolt A :

20 N·m {204 kgf·cm, 15 ft·lbf}

for bolt B :

10 N·m {102 kgf·cm, 7 ft·lbf}

22. CONNECT WIRE HARNESS

Click here 2019 - 2024 MY RAV4 RAV4 HV [02/2019 -        ]; STEERING GEAR / LINKAGE: STEERING GEAR: INSTALLATION+

23. INSTALL STEERING GEAR HEAT INSULATOR

Click here 2019 - 2024 MY RAV4 RAV4 HV [02/2019 -        ]; STEERING GEAR / LINKAGE: STEERING GEAR: INSTALLATION+

24. REMOVE ENGINE HANGERS

Click here 2021 MY RAV4 HV [08/2020 - 12/2021]; A25A-FXS (ENGINE MECHANICAL): ENGINE ASSEMBLY: INSTALLATION+ 2022 - 2024 MY RAV4 HV [12/2021 -        ]; A25A-FXS (ENGINE MECHANICAL): ENGINE ASSEMBLY: INSTALLATION+

25. INSTALL FUEL DELIVERY GUARD

Click here 2021 MY RAV4 HV [08/2020 - 12/2021]; A25A-FXS (ENGINE MECHANICAL): ENGINE ASSEMBLY: INSTALLATION+ 2022 - 2024 MY RAV4 HV [12/2021 -        ]; A25A-FXS (ENGINE MECHANICAL): ENGINE ASSEMBLY: INSTALLATION+

26. INSTALL ENGINE ASSEMBLY WITH HYBRID VEHICLE TRANSAXLE ASSEMBLY

Click here 2021 MY RAV4 HV [08/2020 - 12/2021]; A25A-FXS (ENGINE MECHANICAL): ENGINE ASSEMBLY: INSTALLATION 2022 - 2024 MY RAV4 HV [12/2021 -        ]; A25A-FXS (ENGINE MECHANICAL): ENGINE ASSEMBLY: INSTALLATION

27. PERFORM RESOLVER LEARNING

NOTICE:

If the hybrid vehicle transaxle assembly has been replaced, make sure to perform resolver learning.

  • for AWD with Nickel Metal Hydride Battery:

    Click here 2019 - 2024 MY RAV4 HV [02/2019 -        ]; HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for AWD with NICKEL METAL HYDRIDE BATTERY): UTILITY

  • for Lithium-ion Battery:

    Click here 2020 - 2024 MY RAV4 HV [06/2020 -        ]; HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for LITHIUM-ION BATTERY): UTILITY