Toyota Sienna Quiz
U151e automatic transaxle

Disassembly

In this manual: U151e automatic transaxle
Introduction — 55Service specifications — 7Maintenance — 7Engine — 264U151e automatic transaxle — 108Transfer — 19Propeller shaft — 8Drive shaft — 14Differential — 16Axle — 18Suspension — 37Tire and wheel — 54Brake control — 141Parking brake — 16Steering Column — 11Power steering — 18Air conditioning — 106Supplemental restraint system — 146Seat belt — 22Theft deterrent — 14Engine immobiliser — 17Cruise control — 65Lighting — 61Wiper and washer — 13Door lock — 42Meter — 28Audio / visual — 94Navigation — 108Park assist / monitoring — 33Horn — 5Garage door opener — 42GR-FE Engine control system — 126Supplemental restraint system — 147Other system — 14Windshield / windowglass — 43Mirror — 23Instrument panel — 6Seat belt — 22Seat — 92Engine hood / door — 104Exterior — 39Interior — 5Sliding roof — 9Multiplex communication — 18Can communication — 23
~1min read
1special tools

1. INSPECT UNDERDRIVE PACK CLEARANCE

HINT: (See page AX-262)

2. REMOVE UNDERDRIVE CLUTCH FLANGE NO.2 HOLE SNAP RING

REMOVE UNDERDRIVE CLUTCH FLANGE NO.2 HOLE SNAP RING

a) Using a screwdriver, remove the underdrive clutch flange No.2 snap ring.

3. REMOVE UNDERDRIVE CLUTCH DISC NO.1

REMOVE UNDERDRIVE CLUTCH DISC NO.1

(a) Remove the flange, 4 discs and 4 plates from the underdrive clutch drum.

4. REMOVE UNDERDRIVE CLUTCH RETURN SPRING SUB-ASSEMBLY

REMOVE UNDERDRIVE CLUTCH RETURN SPRING SUB-ASSEMBLY

(a) Place SST on the clutch balancer and compress the spring with a press.

SST 09350-32014

(b) Using a snap ring expander, remove the snap ring.

NOTICE:

  • Stop the press when the spring seat is lowered to the place 1 to 2 mm (0.039 to 0.078 in.) from the snap ring groove.
  • This prevents the spring seat from being deformed.
  • Do not expand the snap ring excessively.
REMOVE UNDERDRIVE CLUTCH RETURN SPRING SUB-ASSEMBLY

(c) Remove the clutch balancer from the underdrive clutch drum.

REMOVE UNDERDRIVE CLUTCH RETURN SPRING SUB-ASSEMBLY

(d) Remove the return spring from the underdrive clutch drum.

5. REMOVE UNDERDRIVE CLUTCH PISTON SET

REMOVE UNDERDRIVE CLUTCH PISTON SET

(a) Install the underdrive clutch to the transaxle case.

NOTICE: Be careful not to damage the oil seal ring.

(b) Holding the underdrive clutch piston by hand, apply compressed air (392 kPa, 4.0 kgf/cm2, 57 psi) to the transaxle case to remove the underdrive clutch piston.

6. REMOVE UNDERDRIVE CLUTCH DRUM O-RING

REMOVE UNDERDRIVE CLUTCH DRUM O-RING

(a) Using a screwdriver, remove the O-ring from the underdrive clutch drum.

Test yourself

A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.