Toyota Sienna Service Manual: Reassembly
1. INSTALL 2ND BRAKE PISTON O-RING
(a) Coat 2 new O-rings with ATF, and install them in the 2nd brake piston.
NOTICE: Make sure that the O-ring is not twisted or pinched.
2. INSTALL 2ND BRAKE PISTON
(a) Coat the 2nd brake piston with ATF, and install it to the 2nd brake cylinder.
NOTICE: Be careful not to damage the O-ring.
3. INSTALL 2ND BRAKE PISTON RETURN SPRING SUB-ASSEMBLY
(a) Install the 2nd brake piston return spring.
NOTICE: Installing the spring sub- assembly, check that all of the springs are fit in the piston correctly.
(b) Place SST on the piston return spring, and compress the piston return spring with a press.
SST 09387-00060
(c) Using a screwdriver, install the snap ring.
(d) Be sure that the end gap of the snap ring is not aligned with the spring retainer claw.
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.
Inspection
1. INSPECT 2ND BRAKE PISTON RETURN SPRING
SUB-ASSEMBLY
(a) Using vernier calipers, measure the free length of
the spring together with the spring seat.
Standard free length:
16.61 mm (0.6539 ...
Forward clutch
Components
...
Other materials:
Open in Front Pretensioner Squib RH Circuit
DTC B0131/64 Open in Front Pretensioner Squib RH Circuit
DESCRIPTION
The front pretensioner squib RH circuit consists of the center airbag sensor
assembly and the front seat
outer belt assembly RH.
This circuit instructs the SRS to deploy when deployment conditions are met.
DTC B0131/64 i ...
Brake Switch
DTC P0504 Brake Switch "A" / "B" Correlation
DTC P0724 Brake Switch "B" Circuit High
DESCRIPTION
The stop light switch is a duplex system that transmits two signals: STP and
ST1-. These two signals are
used by the ECM to monitor whether or not the brake system is ...
Inspection
1. INSPECT POWER STEERING RACK
(a) Using a dial indicator, check the power steering rack
for runout and for teeth wear and damage.
Maximum runout:
0.3 mm (0.012 in.)
If necessary, replace the rack & pinion power
steering gear assembly.
(b) Check the back surface for wear and damag ...
