Toyota Sienna Service Manual: Disassembly
1. REMOVE 2ND BRAKE PISTON RETURN SPRING SUB-ASSEMBLY
(a) Place SST on the return spring and compress the return spring with a press.
SST 09387-00060
(b) Using a screwdriver, remove the snap ring.
(c) Remove the 2nd brake piston return spring.
2. REMOVE 2ND BRAKE PISTON
(a) Hold the 2nd brake piston and apply compressed air (392 kPa, 4.0 kgf/cm2, 57 psi) to the 2nd brake cylinder to remove the 2nd brake piston.
NOTICE: Hold the piston with a shop rag or a piece of cloth when removing the piston. Failure to do so may result in the piston jumping out from the cylinder.
3. REMOVE 2ND BRAKE PISTON O-RING
(a) Remove the 2 O-rings from the 2nd brake piston.
Second brake piston
COMPONENTS
...
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 ...
Other materials:
Precaution
NOTICE:
Because the compressor operates at high voltages, wear
electric insulated gloves and pull out the service plug to
cut the high-voltage circuit before inspection.
1. DO NOT HANDLE REFRIGERANT IN AN ENCLOSED AREA OR NEAR AN OPEN FLAME
2. ALWAYS WEAR EYE PROTECTION
3. BE CAREFUL NOT T ...
Installation
1. INSTALL CENTER AIRBAG SENSOR ASSEMBLY
Check that the ignition switch is off.
Check that the battery negative (-) terminal is
disconnected.
CAUTION:
After disconnecting the negative battery
terminal, wait for at least 90 seconds before
starting the operation.
Temporar ...
IG Power Source Circuit
DESCRIPTION
The main power source is supplied to the A/C amplifier when the ignition
switch is turned to the ON
position.
The power source is used for operating the A/C amplifier and servo motor, etc.
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
Start the engine before inspection. Check ...