Toyota Sienna Service Manual: Differential case

Disassembly

1. REMOVE FRONT DIFFERENTIAL RING GEAR (a) Place the match-marks on the ring gear and differential case. (b) Remove the 16 bolts. (c) Using a plastic hammer, tap ring gear to remove it ...

Other materials:

On-vehicle inspection
1. INSPECT FRONT AIRBAG SENSOR (VEHICLE NOT INVOLVED IN COLLISION)  Perform a diagnostic system check. 2. INSPECT FRONT AIRBAG SENSOR (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)  Perform a diagnostic system check.  When the front bumper of the vehicle o ...

Fail-safe chart
1. AUTO CANCEL FUNCTION (FAIL-SAFE FUNCTION): HINT: If a system malfunction occurs, the applicable DTCs will appear on the multi-information display. In some cases, a DTC will be set due to weather or vehicle operating conditions, this does not indicate a system malfunction.  E3 (i ...

When servicing full-time 4wd vehicles
The full-time 4WD SIENNA is equipped with the open center differential system. If incorrect preparations or test procedures are used, the test will not only be unsuccessful, but may be dangerous as well. Therefore, before beginning any such servicing or test, be sure to check the following ...