Limited Service

◄ IMPORTANT UPDATE ►
The attached Technical Instructions have been updated. Refer to the details below.
DATE
January 6, 2022
TOPIC
This Limited Service Campaign has expired as of December 31, 2021
Please review this notification with your staff to assure that all relevant personnel have been briefed regarding this subject.
Thank you for your cooperation.
© 2020 Toyota Motor Sales, USA
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TECHNICAL INSTRUCTIONS
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LIMITED SERVICE CAMPAIGN 90K
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VVT-i OIL HOSE REPLACEMENT
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2007 – 2010 SIENNA
The repair quality of covered vehicles is extremely important to Toyota. All dealership associates
involved in the LSC process are required to successfully complete E-Learning course SC13A. To
ensure that all vehicles have the repair performed correctly; technicians performing this LSC repair
are required to currently hold at least one of the following certification levels:
Certified Engine
Expert Engine
Master
Master Diagnostic Technician
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OPERATION FLOW CHART
II.
IDENTIFICATION OF AFFECTED VEHICLES
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Year
5TD
2008
2010
Range
S000038 - S008764
BK23C
S000025 - S008740
ZK22C
S000015 - S099335
ZK23C
S000018 - S099339
BK22C
S008777 - S022321
BK23C
S008766 - S022099
ZK22C
S099372 - S223498
ZK23C
S095940 - S225256
BK23C
S023175 - S023175
ZK22C
S228570 - S243366
ZK23C
S227253 - S281144
KK4CC
S298111 - S299362
Check the TIS Vehicle Inquiry System to confirm the VIN is involved in this LSC and that the
campaign has not already been completed prior to dealer shipment or by another dealer.
TMS warranty will not reimburse dealers for repairs conducted on vehicles that are not affected or
were completed by another dealer.
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VIN Range
BK22C
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A. AFFECTED VIN RANGE
Model
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I.
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PREPARATION
A. PARTS
Part Number
04009-33131
Part Description
No.1 Oil Hose Kit
Quantity
1
2
B. TOOLS & EQUIPMENT
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Standard hand tools
Torque wrench
Angled long nose pliers*
Paper or shop towels
Mirror
* NOTE: One angled long nose pliers will be included in the dealer package.
Technicians may also utilize one of the following commercially available tools:
BACKGROUND
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IV.
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1. Snap-On: 411BCP
2. Matco: PNG111B
3. Mac: P301733
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On certain vehicles equipped with a 2GR-FE engine, the rubber portion of the oil supply hose for the VVT-i
actuator may degrade over time. This condition may cause oil to leak from the VVT-i oil hose producing
abnormal engine noise and the oil pressure light to illuminate.
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V.
WORK PROCEDURE
A. REMOVE OIL HOSE
CONFIRM IGNITION IS OFF
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a) Clearly indicate that the engine must not be started during repairs.
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2. REMOVE THE FRONT WIPER ARM LH/RH
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a) Remove the front wiper arm head caps.
b) Ensure the wiper arms are in the normal down
resting position.
c) Remove the nuts and front wiper arms LH/RH.
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3. REMOVE THE COWL TOP VENTILATOR LOUVER
SUB-ASSEMBLY
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a) Remove the 6 claws.
b) Remove the sub-assembly.
a) Disconnect the wiper motor electrical connector.
b) Disconnect the 4 harness clamps and grommet and
pull out the wire harness from the cowl top panel.
NOTE:
If equipped, disconnect the windshield deicer
electrical connector located on the cowl inner brace
c) Remove the 4 bolts and wiper motor and link
assembly.
5. REMOVE THE FRONT OUTER COWL TOP PANEL
ASSEMBLY
a) Remove the nut, and separate the fuel pump
resistor.
b) Remove the 2 bolts and the cowl inner brace.
c) Remove the 7 bolts and the sub-assembly.
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4. REMOVE THE WINDSHIELD WIPER MOTOR AND
LINK ASSEMBLY
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6. REMOVE THE V-BANK COVER SUB-ASSEMBLY
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a) Place both hands on the front side of the cover and
lift up to disengage the 2 clips.
b) Place both hands on the back side of the cover and
lift up to disengage the rear clip.
c) Remove the v-bank cover sub-assembly.
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NOTE:
Do not lift the cover’s front and back end together;
this may damage the clips.
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7. REMOVE THE NO. 2 ENGINE MOUNTING STAY RH
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stay RH.
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a) Remove the bolt, 2 nuts and No. 2 engine mounting
a) Mark the sub-assembly as illustrated for reference
during re-installation.
NOTE:
Failure to reinstall the engine moving control rod in
the same position from which it was removed may
result in additional engine vibration.
b) Remove the 3 bolts and engine moving control rod
sub-assembly.
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8. REMOVE THE ENGINE MOVING CONTROL ROD
SUB ASSEMBLY
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9. SEPARATE THE WIRE HARNESS
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a) Remove the bolt and separate the No.1 cable bond
(ground cable).
b) Remove the 2 wire harness protector hold-down
bolts as illustrated.
c) Temporarily reposition the wire harness protector to
the opposite side of the mounting tab.
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NOTE:
Avoid damage to wire harness, harness clips
and/or wiring. Use care when repositioning the
harness for service.
10. REMOVE THE NO.2 TIMING GEAR COVER
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a) Remove the 2 bolts.
b) Remove the No. 2 timing gear cover.
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Use care to avoid damage to the Power Steering hoses and VVT-i oil pipe when removing
the oil hose.
11. REMOVE THE OIL HOSE
a) Place paper towels below the hose before removal
to prevent engine oil from dripping onto vehicle
components.
b) Move the upper hose clamp to the upper section of
the oil pipe.
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c) Move the lower hose clamp to the center of the
hose.
d) Remove and dispose the oil hose and the two
clamps in a manner by which they cannot be
reused.
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B. INSTALL THE OIL HOSE
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Proper positioning of the oil hose is critical to ensure adequate oil flow to the VVT-i
actuator and to prevent leakage. Follow instructions carefully!
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1. INSTALL THE OIL HOSE
a) Place a NEW hose clamp on the upper oil pipe as
shown.
b) Clean both edges of the oil pipe with a shop towel
and apply water as a lubricant to the oil pipe to
assist with the oil hose attachment.
NOTE:
Use only water as a lubricant. Do not apply oil or
other lubricants to the oil pipe, this may cause oil
leaks.
c) Attach a NEW hose clamp on the NEW oil hose
with the clamp’s 2 prong side positioned on the
same side as the hose’s long white marking.
d) Install the oil hose’s long white marking (lower) side
onto the lower pipe until it touches the spool.
e) Position the long white marking facing away from
the engine as illustrated.
NOTE:
The long white marking should face away from the
engine.
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Install the oil hose’s yellow marking (upper) side
onto the upper oil pipe until it touches the spool.
Align the yellow marking as illustrated.
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g) Position the upper hose clamp on the hose as
illustrated.
h) Position and align the lower hose clamp’s triangle
hole to the white triangle marking on the lower
portion of the hose.
Important:
Avoid comebacks, visually verify correct
installation!
i)
After verifying correct installation, remove the paper
towels from the engine compartment.
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NOTE:
 Position both upper and lower hose clamps
0.14 in. ± 0.06 in. (3.5mm ± 1.5mm) from the
edge of the hose ends.
 Ensure there are no twists in the oil hose.
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2. REASSEMBLE ENGINE COMPONENTS BY REVERSING DISASSEMBLY INSTRUCTIONS
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NOTE: All necessary torque specifications are located in the illustration above.
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NOTE: All necessary torque specifications are located in the illustration above.
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3. VERIFY THE CORRECT ENGINE OIL LEVEL
4. TEMPORARILY RUN THE ENGINE AT 3,000 RPM’s, CONFIRM NO OIL LEAKS ARE PRESENT
APPENDIX
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A. PARTS KIT CONTENTS
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Part Number
04009-33131
Part Name
Kit ,Oil Hose, No.1
The kit listed above includes the following parts:
Part Number
Part Name
15777-31020
Hose, Oil (Cooler)
90466-16003
Clip, Hose (Clamp)
Q’ty
1
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B. CAMPAIGN PARTS DISPOSAL
As required by Federal Regulations, please make sure all campaign parts (original parts) removed from
the vehicle are disposed of in a manner in which they will not be reused.
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