Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VINM
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 - 08/2016]
Title: U660F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE ASSEMBLY(When Not Using the Engine Support Bridge): INSTALLATION; 2016 MY Sienna [12/2015 - 08/2016]

INSTALLATION

PROCEDURE

1. INSTALL SPEEDOMETER DRIVEN HOLE COVER SUB-ASSEMBLY

(a) Apply a light coat of ATF to a new O-ring and install it to the speedometer driven hole cover sub-assembly.

NOTICE:

Do not twist the O-ring.

(b) Install the speedometer driven hole cover sub-assembly to the automatic transaxle assembly with the bolt.

Torque:

5.5 N·m {56 kgf·cm, 49 in·lbf}

NOTICE:

Make sure that the O-ring is not damaged or does not jump out of position during installation.

2. INSTALL NO. 1 TRANSMISSION CONTROL CABLE BRACKET

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

Torque:

12 N·m {122 kgf·cm, 9 ft·lbf}

3. INSTALL WIRE HARNESS CLAMP BRACKET

(a) Install the 5 wire harness clamp brackets to the automatic transaxle assembly with the 5 bolts.

Torque:

8.4 N·m {85 kgf·cm, 74 in·lbf}

4. INSTALL NO. 1 OIL COOLER INLET HOSE

(a) Install the No. 1 oil cooler inlet hose to the automatic transaxle assembly with the hose clip as shown in the illustration.

Text in Illustration

*a

Top of Vehicle

*b

Pink Painted Mark on Hose

5. INSTALL NO. 1 OIL COOLER OUTLET HOSE

(a) Install the No. 1 oil cooler outlet hose to the automatic transaxle assembly with the hose clip as shown in the illustration.

Text in Illustration

*a

Top of Vehicle

*b

Yellow Painted Mark on Hose

6. INSTALL OIL COOLER TUBE CLAMP

(a) Engage the 2 clamps to install the oil cooler tube clamp to the No. 1 oil cooler inlet hose and No. 1 oil cooler outlet hose.

7. INSTALL TCM

(a) Temporarily install the TCM to the automatic transaxle assembly with the 2 bolts.

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

Torque:

11 N·m {115 kgf·cm, 8 ft·lbf}

8. INSTALL FRONT ENGINE MOUNTING BRACKET

(a) Clean and degrease the stud bolt installation hole in the automatic transaxle assembly.

(b) Using an E8 "TORX" socket wrench, install a new stud bolt to the automatic transaxle assembly.

Torque:

21 N·m {214 kgf·cm, 15 ft·lbf}

(c) Install the front engine mounting bracket to the automatic transaxle assembly with the 2 bolts and nut.

Torque:

64 N·m {653 kgf·cm, 47 ft·lbf}

9. INSTALL TRANSFER ASSEMBLY

2016 - 2020 MY Sienna [12/2015 -        ]; MF1A (TRANSFER / 4WD / AWD): TRANSFER ASSEMBLY(When Not Using the Engine Support Bridge): INSTALLATION+

10. INSTALL TORQUE CONVERTER ASSEMBLY

(a) Set the key at the top of the front oil pump drive gear and put a matchmark on the transaxle housing.

Text in Illustration

*a

Key

*b

Matchmark

(b) Place a matchmark on the torque converter assembly so that the position of its groove is clearly indicated.

Text in Illustration

*a

Groove

*b

Matchmark

(c) Align the matchmark on the transaxle housing with the one on the torque converter assembly and engage the splines of the input shaft with the turbine runner splines.

Text in Illustration

*1

Front Oil Pump Oil Seal

*a

Matchmark

NOTICE:

  • Install the torque converter assembly to the input shaft while keeping it horizontal.
  • Do not damage the front oil pump oil seal.

(d) Rotate the torque converter assembly approximately 180° and engage the splines of the stator shaft with the stator assembly.

Text in Illustration

*1

Front Oil Pump Oil Seal

*a

Matchmark

NOTICE:

  • Install the torque converter assembly to the input shaft while keeping it horizontal.
  • Do not damage the front oil pump oil seal.

(e) Rotate the torque converter assembly approximately 180° again, align the matchmark on the torque converter assembly with the one on the transaxle housing and insert the groove of the torque converter assembly into the key of the front oil pump drive gear.

Text in Illustration

*1

Front Oil Pump Oil Seal

*a

Matchmark

NOTICE:

  • Do not push the torque converter assembly excessively when rotating it.
  • Install the torque converter assembly to the input shaft while keeping it horizontal.
  • Do not damage the front oil pump oil seal.

(f) Clean the drive plate and torque converter assembly setting bolt holes.

(g) Using a vernier caliper and straightedge, measure dimension A between the automatic transaxle assembly contact surface of the engine assembly*a and the torque converter assembly contact surface of the drive plate*b.

Text in Illustration

*a

Engine Assembly Surface

*b

Drive Plate Surface

(h) Using a vernier caliper and straightedge, measure dimension B shown in the illustration and check that dimension B is more than dimension A, which was measured in the previous step.

Standard distance:

B = A + 1 mm (0.0394 in.) or more

NOTICE:

  • Make sure to deduct the thickness of the straightedge.
  • If the automatic transaxle assembly is installed to the engine assembly with the torque converter assembly not sufficiently inserted, the torque converter assembly may be damaged.
  • Do not include the thickness of the set block.

11. INSTALL AUTOMATIC TRANSAXLE ASSEMBLY

(a) Apply clutch spline grease to the surface of the crankshaft that contacts the torque converter assembly centerpiece.

Text in Illustration

*1

Crankshaft

*2

Torque Converter Assembly Centerpiece

Clutch Spline Grease

Grease:

Toyota Genuine Clutch Spline Grease or equivalent

Maximum grease amount:

Approximately 1 g (0.0353 oz.)

(b) Confirm that the 2 knock pins are installed on the engine assembly and are not damaged.

Text in Illustration

*1

Knock Pin

(c) Clean and degrease the bolt C and installation hole in the automatic transaxle assembly.

(d) Apply adhesive to 2 or 3 threads on the end of the bolt C.

Adhesive:

Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

(e) Maintain the engine assembly and automatic transaxle assembly in a horizontal position, align the knock pins with each hole in the automatic transaxle assembly and install the automatic transaxle assembly to the engine assembly with the 11 bolts.

Torque:

Bolt A :

64 N·m {653 kgf·cm, 47 ft·lbf}

Bolt B :

64 N·m {653 kgf·cm, 47 ft·lbf}

Bolt C :

46 N·m {469 kgf·cm, 34 ft·lbf}

Bolt D :

43 N·m {439 kgf·cm, 32 ft·lbf}

Bolt Length:

Bolt

Length mm (in.)

A

55 (2.17)

B

50 (1.97)

C

41 (1.61)

D

33 (1.30)

NOTICE:

  • Make sure that the wire harness or similar items are not pinched between the contact surfaces.
  • Do not forcibly pry on the automatic transaxle assembly.
  • When mounting the automatic transaxle assembly to the engine assembly, make sure to securely fit the knock pins into the knock holes.
  • Check that the torque converter assembly rotates.
  • When tightening the bolts, be sure that the contact surfaces of the engine assembly and automatic transaxle assembly are in close contact with one another.

12. INSTALL TRANSFER STIFFENER PLATE RH

2016 - 2020 MY Sienna [12/2015 -        ]; MF1A (TRANSFER / 4WD / AWD): TRANSFER ASSEMBLY(When Not Using the Engine Support Bridge): INSTALLATION+

13. CONNECT ENGINE WIRE

(a) Engage the 4 clamps to install the engine wire to the automatic transaxle assembly.

Text in Illustration

*1

Lock Lever

(b) Connect the connector to the TCM.

(c) Turn the lock lever and secure the connector with the lock lever.

(d) Engage the 3 clamps to install the engine wire to the automatic transaxle assembly.

(e) Install the ground wire to the automatic transaxle assembly with the bolt.

Torque:

19 N·m {195 kgf·cm, 14 ft·lbf}

(f) Engage the clamp to install the engine wire to the automatic transaxle assembly.

(g) Connect the park/neutral position switch connector.

14. INSTALL BREATHER PLUG HOSE

(a) Engage the clamp to install the breather plug hose to the hose clamp.

15. INSTALL MANIFOLD STAY

2016 MY Sienna [12/2015 - 08/2016]; 2GR-FE INTAKE / EXHAUST: EXHAUST MANIFOLD: INSTALLATION+

16. INSTALL STARTER ASSEMBLY

2016 MY Sienna [12/2015 - 08/2016]; 2GR-FE STARTING: STARTER: INSTALLATION+

17. INSTALL ENGINE ASSEMBLY WITH TRANSAXLE

(See page 2016 MY Sienna [12/2015 - 08/2016]; 2GR-FE ENGINE MECHANICAL: ENGINE ASSEMBLY: INSTALLATION )

18. CHECK AUTOMATIC TRANSAXLE SYSTEM

NOTICE:

If automatic transaxle parts have been replaced, refer to Parts Replacement Compensation Table to determine if any additional operations are necessary (See page 2016 MY Sienna [12/2015 - 08/2016]; U660E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: PRECAUTION ).