Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000YZJ5
Model Year Start: 2017 Model: Sienna Prod Date Range: [08/2016 -           ]
Title: UA80E (AUTOMATIC TRANSMISSION / TRANSAXLE): DIFFERENTIAL OIL SEAL: REPLACEMENT; 2017 - 2020 MY Sienna [08/2016 -        ]

REPLACEMENT

PROCEDURE

1. REMOVE NO. 1 ENGINE UNDER COVER

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

2. REMOVE FRONT FENDER APRON SEAL LH

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

3. DRAIN AUTOMATIC TRANSAXLE FLUID

(a) Remove the refill plug and gasket from the automatic transaxle case sub-assembly.

(b) Using a 10 mm hexagon socket wrench, remove the overflow plug and gasket from the transaxle housing.

(c) Using a 6 mm hexagon socket wrench, remove the No. 1 transmission oil filler tube from the transaxle housing and drain the automatic transaxle fluid.

*1

No. 1 Transmission Oil Filler Tube

(d) Using a 6 mm hexagon socket wrench, install the No. 1 transmission oil filler tube to the transaxle housing.

Torque:

1.7 N·m {17 kgf·cm, 15 in·lbf}

(e) Using a 10 mm hexagon socket wrench, temporarily install the gasket and overflow plug to the transaxle housing.

HINT:

Reuse the old gasket as the overflow plug will be removed again to adjust the automatic transaxle fluid level.

(f) Temporarily install the gasket and refill plug to avoid automatic transaxle fluid spillage.

HINT:

Reuse the old gasket as the refill plug will be removed again to adjust the automatic transaxle fluid level.

4. REMOVE FRONT DRIVE SHAFT ASSEMBLY

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; DRIVE SHAFT / PROPELLER SHAFT: FRONT DRIVE SHAFT ASSEMBLY: REMOVAL

5. REMOVE DRIVE SHAFT BEARING BRACKET

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: REMOVAL+

6. REMOVE FRONT DRIVE SHAFT OIL SEAL LH

(a) Using SST, remove the front drive shaft oil seal LH from the automatic transaxle case sub-assembly.

SST: 09308-00010

NOTICE:

Be careful not to damage the automatic transaxle case sub-assembly.

7. REMOVE FRONT DRIVE SHAFT OIL SEAL RH

(a) Using SST, remove the front drive shaft oil seal RH from the transaxle housing.

SST: 09308-00010

NOTICE:

Be careful not to damage the transaxle housing.

8. INSTALL FRONT DRIVE SHAFT OIL SEAL RH

(a) Using SST and a hammer, install a new front drive shaft oil seal RH to the transaxle housing.

SST: 09316-60011

09316-00011

SST: 09950-70010

09951-07150

Standard Depth:

-0.5 to 0.5 mm (-0.0197 to 0.0197 in.)

NOTICE:

  • Make sure that the front drive shaft oil seal RH is installed in the correct direction.
  • Do not damage the lip of the front drive shaft oil seal RH.

*a

Depth

9. INSTALL FRONT DRIVE SHAFT OIL SEAL LH

(a) Using SST and a hammer, install a new front drive shaft oil seal LH to the automatic transaxle case sub-assembly.

SST: 09316-10010

SST: 09950-70010

09951-07100

Standard Depth:

-0.5 to 0.5 mm (-0.0197 to 0.0197 in.)

NOTICE:

  • Make sure that the front drive shaft oil seal LH is installed in the correct direction.
  • Do not damage the lip of the front drive shaft oil seal LH.

*a

Depth

10. INSTALL DRIVE SHAFT BEARING BRACKET

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: INSTALLATION+

11. INSTALL FRONT DRIVE SHAFT ASSEMBLY

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; DRIVE SHAFT / PROPELLER SHAFT: FRONT DRIVE SHAFT ASSEMBLY: INSTALLATION

12. ADJUST AUTOMATIC TRANSAXLE FLUID

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; UA80E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE FLUID: ADJUSTMENT

13. INSPECT FOR FLUID LEAK

14. INSTALL FRONT FENDER APRON SEAL LH

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: INSTALLATION+

15. INSTALL NO. 1 ENGINE UNDER COVER

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: INSTALLATION+