Toyota Sienna Service Manual: Inspection
1. INSPECT UNDERDRIVE PACK CLEARANCE
(a) Install the underdrive clutch to the transaxle case.
NOTICE: Be careful not to damage the oil seal rings.
(b) Install a dial indicator as shown in the illustration.
(c) Measure the underdrive clutch pack clearance while applying and releasing compressed air (392 kPa, 4.0 kgf/cm2, 57 psi).
Pack clearance: 1.51 to 1.71 mm (0.0594 to 0.0673 in.)
If the pack clearance is not as specified, inspect the discs, plates and flange.
HINT: There are 5 flanges in different thickness.
Flange thickness: mm (in.)
2. INSPECT UNDERDRIVE CLUTCH DISC NO.1
(a) Check if the sliding surface of the disc, plate and flange are worn or burnt. If necessary, replace them.
HINT:
- If the lining of the disc comes off or discolors, or if a part of the groove is worn, replace all discs.
- Before installing new discs, immerse them in ATF for at least 15 minutes.
3. INSPECT UNDERDRIVE CLUTCH DRUM SUBASSEMBLY
(a) Using a dial indicator, measure the inside diameter of the underdrive clutch drum bushing.
Standard drum bushing: 37.06 to 37.08 mm (1.4591 to 1.4598 in.) Maximum drum bushing: 37.13 mm (1.4618 in.)
If the inside diameter is greater than the maximum, replace the underdrive clutch drum.
4. INSPECT UNDERDRIVE CLUTCH RETURN SPRING SUB-ASSEMBLY
(a) Using a vernier calipers, measure the free length of the spring together with the spring seat.
Standard free length: 17.14 mm (0.6752 in.)
Disassembly
1. INSPECT UNDERDRIVE PACK CLEARANCE
HINT:
(See page AX-262)
2. REMOVE UNDERDRIVE CLUTCH FLANGE NO.2 HOLE
SNAP RING
a) Using a screwdriver, remove the underdrive clutch
flange No.2 snap rin ...
Reassembly
1. INSTALL UNDERDRIVE CLUTCH DRUM O-RING
(a) Coat a new O-ring with ATF, and install it to the
underdrive clutch drum.
NOTICE:
Make sure that the O-ring is not twisted or
pinched.
2. INSTALL ...
Other materials:
Inspection
1. INSPECT PURGE VSV
(a) Measure the resistance of the purge VSV.
Standard resistance
If the result is not as specified, replace the purge
VSV.
(b) Check the operation of the purge VSV.
(1) Check that air does not flow from port E to port
F.
(2) Apply battery voltage across t ...
The Rear Cross Traffic Alert function detection areas
The areas that vehicles can be detected in are outlined below.
To give the driver a more consistent time to react, the buzzer can alert
for faster vehicles from farther away.
Example:
The Rear Cross Traffic Alert function is operational when
The BSM main switch is set to on.
The ...
Removal
HINT:
For the parking brake cable assembly No. 2, perform the
same procedure to the parking brake cable assembly No. 3.
1. REMOVE REAR WHEEL
2. REMOVE REAR BRAKE DRUM SUB-ASSEMBLY (for
Drum Type) (See page BR-37)
3. REMOVE FRONT BRAKE SHOE (for Drum Type) (See
page BR-37)
4. REMOVE REAR BRAK ...
