Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000ZW35
Model Year Start: 2017 Model: Sienna Prod Date Range: [08/2016 -           ]
Title: UA80F (AUTOMATIC TRANSMISSION / TRANSAXLE): DIFFERENTIAL OIL SEAL(for LH Side): 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 NO. 2 ENGINE UNDER COVER

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

3. REMOVE FRONT FENDER APRON SEAL LH

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

4. 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 drain 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.

5. REMOVE FRONT DRIVE SHAFT ASSEMBLY LH

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

8. INSTALL FRONT DRIVE SHAFT ASSEMBLY LH

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

9. ADJUST AUTOMATIC TRANSAXLE FLUID

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; UA80F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE FLUID: ADJUSTMENT

10. INSPECT FOR FLUID LEAK

11. INSTALL FRONT FENDER APRON SEAL LH

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

12. INSTALL NO. 2 ENGINE UNDER COVER

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

13. INSTALL NO. 1 ENGINE UNDER COVER

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