Toyota Sienna Service Manual: Reassembly
1. INSTALL SHOCK ABSORBER ASSEMBLY FRONT LH
2. INSTALL FRONT COIL SPRING INSULATOR LOWER LH
(a) Install the front coil spring insulator lower LH onto the shock absorber assembly front LH.
3. INSTALL FRONT SPRING BUMPER LH
(a) Install the front spring bumper LH to the piston rod.
4. INSTALL FRONT COIL SPRING LH
(a) Using SST, compress the front coil spring LH.
SST 09727-30021 (09727-00010, 09727-00021, 09727-00031)
NOTICE: Do not use an impact wrench. It will damage the SST.
HINT: Use 2 SST of the same type.
(b) Install the front coil spring LH to the shock absorber assembly front LH.
HINT: Fit the front coil spring insulator lower LH into the gap of the shock absorber assembly front LH.
5. INSTALL FRONT COIL SPRING INSULATOR UPPER LH
(a) Install the front coil spring insulator upper LH as shown in the illustration.
6. INSTALL FRONT COIL SPRING SEAT UPPER LH
(a) Install the front coil spring seat upper LH to the shock absorber assembly front LH with the mark facing to the outside of the vehicle.
7. INSTALL FRONT SUSPENSION SUPPORT LH BEARING
(a) Install the front suspension support LH bearing.
8. INSTALL FRONT SUSPENSION SUPPORT SUBASSEMBLY LH
(a) Install the front suspension support sub-assembly LH with the mark facing to the outside of the vehicle.
(b) Temporarily tighten a new lock nut.
Inspection
1. INSPECT SHOCK ABSORBER ASSEMBLY FRONT LH
(a) Compress and extend the shock absorber rod and
check that there is no unusual resistance or unusual
sound during operation.
If there is any ab ...
Installation
1. INSTALL FRONT SHOCK ABSORBER WITH COIL SPRING
(a) Install the front shock absorber with coil spring as
shown in the illustration.
(b) Install the 3 nuts to the upper side of the front shoc ...
Other materials:
Precaution
1. HANDLING PRECAUTIONS ON STEERING SYSTEM
(a) Be careful to replace the parts properly because
they could affect the performance of the steering
system and result in a driving hazard.
2. HANDLING PRECAUTIONS ON SRS AIRBAG
SYSTEM
(a) The SIENNA is equipped with SRS (Supplemental
Restraint Sys ...
Terminals of ECU
1. CHECK POWER SLIDE DOOR ECU LH (WITH
POWER SLIDE DOOR)
Disconnect the P25 and P26 ECU connectors, and
check the voltage and resistance of each terminal of
the wire harness side connectors.
If the result is not as specified, there may be a
malfunction on the wire harness side.
...
On-vehicle inspection
1. INSPECT FRONT AIRBAG SENSOR (VEHICLE NOT
INVOLVED IN COLLISION)
Perform a diagnostic system check.
2. INSPECT FRONT AIRBAG SENSOR (VEHICLE
INVOLVED IN COLLISION AND AIRBAG HAS NOT
DEPLOYED)
Perform a diagnostic system check.
When the front bumper of the vehicle o ...
