Sienna LE V6-3.0L (1MZ-FE) (1998)
With the engine OFF add new fluid through the oil filler pipe.
Fluid type: ATF D-II or DEXRON III (DEXRON II)
Capacity: 3.5 liters (3.7 US qts, 3.1 Imp. qts)
(4) start the engine and shift the shift lever into all positions from P to L position and then shift into P position.
(5) With the engine idling, check the fluid level. Add fluid up to the COOL level on the dipstick.
(6) Check the fluid level at the normal operating temperature, 70 - 80 °C (158 176 °F), and add as necessary.
NOTICE: Do not overfill.
(d) Check the fluid leaks.
Check for leaks in the transaxle. If there are leaks, it is necessary to repair or replace O-rings, gasket, oil seals, plugs or other parts.