Original sent to Dealers: 11/08/10.
Update sent to Dealers: 12/01/10.
Updated 12/01/2010 – The Highlander 6 Cylinder “Air Surge Tank to Intake Manifold Gasket”
and the “Brake Booster Gasket” part numbers were corrected in the
Appendix. Refer to the “BRAKE BOOSTER PART NUMBER
INFORMATION” table for details
Previous versions of these documents should be discarded.
To:
All Toyota Dealer Principals, Service Managers, Parts Managers
Subject:
Safety Recall A0M – Rubber Seal (Brake Master Cylinder Cup)
Certain 2005 through 2006 Model Year Toyota Avalon Vehicles &
Certain 2004 through 2006 Model Year Highlander (Non Hybrid) Vehicles
As communicated on October 21, 2010, Toyota filed a Defect Information Report (DIR) with the National
Highway Traffic Safety Administration (NHTSA) informing the agency of our intent to conduct a voluntary Safety
Recall on certain ‘05 through ‘06 Model Year Avalon and certain ‘04 through ‘06 Model Year Highlander (NonHybrid) Vehicles to replace a rubber seal (the Brake Master Cylinder Cup) located at the rear of the brake
master cylinder.
Background
• During vehicle assembly, Toyota uses brake fluids containing polymers that act as lubricants for certain
brake system components. If replacement brake fluid is used that does not contain such polymers, or
contain only small amounts, a part of the rubber seal (Brake Master Cylinder Cup) located at the rear of the
brake master cylinder may become dry, and the rubber seal may curl during movement of the piston. If this
occurs, a small amount of the brake fluid could slowly leak from the seal into the brake booster, resulting in
illumination of the brake warning lamp.
• If the vehicle continues to be operated in this condition, the brake pedal feel could change, and braking
performance could eventually begin to gradually degrade. If the warnings provided by the lamp illumination
and the change in pedal feel are not heeded, a vehicle crash could occur.
• Toyota original brake fluid which is applied at the manufacturing plant contains polymers and does not cause
this phenomenon
Safety Recall Remedy
Toyota dealers will replace the rubber seal (Brake Master Cylinder Cup) with a newly designed one at no
charge to the vehicle owners.
1.
Owner Notification Mailing Date
The owner notification will commence in mid-November 2010 approximately one week following the
dealer notification. The letters will be sent over several months consistent with parts availability and
repair capacity.
Only owners of the vehicles covered by this Safety Recall will be notified. If you are contacted by an
owner, who has not yet received a notification, please verify eligibility by confirming through Dealer
Daily/TIS prior to performing the repair. Dealers should perform the Safety Recall as outlined in the
Technical Instructions located on TIS.
2.
Dealer Summary Reports
Summary Reports containing the number of covered vehicles in your dealership’s primary marketing
area (PMA) have been enclosed in the dealer package.
Safety Recall A0M – D – Page 2
3.
Number and Identification of Covered Vehicles
This Safety Recall covers approximately 115,800 Toyota Avalon (2005 through 2006 model year) and
approximately 285,500 Toyota Highlander (2004 through 2006 model year) vehicles in the U.S.
Model
WMI
Avalon
4T1
Year
2005
2006
2004
Highlander
JTE
2005
2006
VDS
BK36B
BK36B
DD21A
DP21A
ED21A
EP21A
GD21A
GP21A
HD21A
DD21A
DP21A
ED21A
EP21A
GD21A
GP21A
HD21A
DD21A
DP21A
ED21A
EP21A
GD21A
GP21A
HD21A
VIN Range
Range
U001003 - U062426
U042154 - U124198
0073058 - 0105659
0001001 - 0043214
0025894 - 0031832
0001008 - 0067233
0073656 - 0105684
0001006 - 0043210
0025363 - 0033057
0105687 - 0132243
0043215 - 0091384
0033309 - 0039278
0067234 - 0136405
0105182 - 0132242
0042673 - 0091386
0033060 - 0040125
0132256 - 0139663
0091388 - 0102288
0040139 - 0041931
0136406 - 0153766
0132244 - 0139662
0090882 - 0102287
0040128 - 0042017
NOTE:
x Owners do not require the owner notification for the remedy to be performed. If your dealership is
contacted by an owner who has not yet received a notification or did not bring it, please verify
eligibility and completion status by confirming through Dealer Daily/TIS prior to performing
the remedy.
x Dealers should perform the remedy as outlined in the Technical Instructions found on TIS.
4.
Remedy Procedures
Refer to TIS for the appropriate Technical Instructions, and for additional information.
Conduct all applicable Safety Recall and Service Campaigns on the vehicle during the time of
appointment. Refer to each specific recall and/or campaign for specific instructions.
5.
Brake Fluid
Chemical Part No.
Chemical Name
Qty/Unit
00475-1BF03
Toyota Genuine DOT 3 Brake Fluid (pint)
3
NOTE:
x Toyota Genuine DOT 3 Brake Fluid can be ordered through the Toyota Chemical Program and will
be drop shipped from AMREP.
Safety Recall A0M – D – Page 3
6.
Parts Ordering
The repair will require the usage of Toyota Rubber Grease (1 gram/vehicle) and a Rubber Seal Kit
(Brake Master Cylinder Cup Kit). These parts can be ordered through your dealership’s facing PDC.
Part No.
Part Name
Qty/Unit
08887-01206
Toyota Rubber Grease (100 grams)
1 tube = 100 vehicles (1 gram/vehicle)
NOTE:
x Each dealership will be allocated two tubes at the start of the Safety Recall. They will be charged to
the dealer’s Parts Account.
x The Toyota Rubber Grease will be placed on Manual Allocation Control. Each dealership will be
permitted to order additional tubes at a rate of one tube per week.
Model
Part No.
Avalon / Highlander
04000-33158
Part Name
Rubber Seal Kit
(Brake Master Cylinder Cup Kit)
Qty/Unit
1
The kit above includes the following parts:
90029-20059 – Rubber Seal (Cylinder Cup) = Quantity 1
90947-01322 = O-Ring = Quantity 1
Wire Tie = Quantity 1
NOTE:
x Dealers will receive a small initial stock quantity beginning Wednesday, November 10, 2010. These
orders will be charged to the dealer’s Parts Account.
x Maximum daily order quantity = 10 pieces per day up to dealers total allocation quantity.
x The total allocation quantity is the dealer’s repair order percentage x PDC affected UIO.
x Dealers requiring additional inventory above their total allocation quantity must contact their Facing
PDC Customer Support Leader (CSL) and request that a Special Request Form be submitted to the
NAPO Special Activities Group.
x Dealers will receive a separate communication illustrating their initial stock quantity, total allocation
quantity and their daily allowable order quantity in a separate email from their facing PDC Manager.
IMPORTANT PARTS ORDERING REMINDER
Effective March 1, 2009, Safety Recall, Service Campaign (SSC/LSC) and Customer Support
Program (CSP) parts do not earn Parts Return Credit Accrual and are not returnable under the
Monthly Return Program. It is recommended that you order these parts based on appointments or
immediate customer needs using a "Sell One-Buy One" ordering pattern. Please refer to PANT
Bulletin 09-12 for additional details.
A UIO matrix by state is provided to inform your dealership of the number of vehicles in your state.
ST
UIO
ST
UIO
ST
UIO
ST
UIO
ST
UIO
ST
UIO
AK
479
FL 27,678
LA
5,933
NC 15,135
OK
3,071
VA 14,983
AL
5,378
GA 13,023
MA 16,461
ND
575
OR
4,251
VT
892
AR
2,958
HI
241
MD 13,013
NE
1,708
PA 15,972
WA 7,623
AZ
7,208
IA
3,137
ME
1,796
NH
3,031
RI
1,889
WI
6,205
CA 57,705
ID
1,332
MI
4,980
NJ 15,028
SC
6,910
WV 1,628
CO
6,586
IL
16,913
MN 6,232
NM 2,015
SD
699
WY
575
CT
5,952
IN
5,207
MO 5,487
NV
3,335
TN
7,220
DC
554
KS
3,134
MS
2,682
NY 21,097
TX 24,494
DE
1,313
KY
5,609
MT
951
OH 10,819
UT
2,575
Safety Recall A0M – D – Page 4
7.
Warranty Processor Instructions
Please note the following for this Safety Recall:
The operation codes to be used for this Safety Recall are:
Safety
Op.
Recall
Model
Code
Description
Flat Rate Hour
Avalon/
Replace Rubber Seal
A0M
0516K1
1.9 hr/vehicle
Highlander
(Brake Master Cylinder Cup)
x The above flat rate time includes 0.1 hour for administrative cost per unit.
x See the Appendix for additional reimbursement instructions in the event brake fluid leakage into the
brake booster is found.
Available Sublets:
x
x
x
8.
Rental Car: Use sublet type "RT" for Op. Code 0516K1. Customer rental car through the ToyotaRent-A-Car (TRAC) Program is available for a maximum of one day at a maximum rate of $35 per
day.
Toyota Genuine Rubber Grease: Up to $1.00 per vehicle may be claimed for the use of Toyota
Genuine Rubber Grease. Use sublet type “OF” for Op. Codes 0516K1.
Brake Fluid: Toyota Genuine DOT 3 Brake Fluid (00475-1BF03) may be claimed up to 3 pints under
Op. Code 0516K1.
Customer Handling
Customers who receive the owner letter may contact your dealership with questions regarding the letter
and/or Safety Recall remedy. Please welcome them to your dealership and answer any questions that
they may have. A Q&A is provided to assure a consistent message is communicated.
Customers with additional questions or concerns are asked to please contact the Toyota Customer
Experience Center (1-888-270-9371).
Safety Recall A0M – D – Page 5
9.
Media Contacts
For News media inquiries only:
Due to the nature of this Safety Recall, it is imperative that all media contacts (local and national) receive
a consistent message. In this regard, all media contacts must be directed to Brian Lyons (310) 4682552 in Corporate Communications. (Please do not provide these numbers to customers or direct
dealership associates to call).
Please review this entire package with your Service and Parts staff to familiarize them with the proper
step-by-step procedures required to implement this Safety Recall.
Thank you for your cooperation.
TOYOTA MOTOR SALES, U.S.A., INC.
Safety Recall A0M – D – Page 6
APPENDIX
If brake fluid has leaked into the brake booster and the technician has determined that the brake booster needs
to be replaced (refer to the Technical Instructions for brake booster judgment criteria); the following parts and
Operation Codes will need to be utilized:
1.
Part number
The necessary parts can be ordered through your dealership’s facing PDC. Parts have been placed on
Manual Allocation and will be released daily per the dealer repair order percentage PDC affected UIO.
Dealers will receive a separate communication illustrating their daily allowable order quantity and
maximum order allocation amount in a separate email from their facing PDC Manager.
Model
Avalon
Highlander
4 Cylinder Engine
Highlander
6 Cylinder Engine
Part No.
44610-07121
44785-07010
90468-16035
44610-48271
44785-16020
90468-16142
44610-48271
44785-07010*
90468-16142
17176-20020*
22271-20040
Part Name
Brake Booster Assy
Brake Booster Gasket
Clip
Brake Booster Assy
Brake Booster Gasket
Clip
Brake Booster Assy
Brake Booster Gasket
Clip
Air Surge Tank to Intake Manifold Gasket
Throttle Body Gasket
Qty/Unit
1
1
1
1
1
1
1
1
1
1
1
*Updated 12/1/2010
2.
Operation Codes:
Model
Op. Code
Description
Replace the Rubber Seal (Brake Master
Avalon
0516K2
Cylinder Cup) and Brake Booster Assembly
Replace the Rubber Seal (Brake Master
Highlander
0516K4
4 Cylinder Engine
Cylinder Cup) and Brake Booster Assembly
Replace the Rubber Seal (Brake Master
Highlander
0516K5
6 Cylinder Engine
Cylinder Cup) and Brake Booster Assembly
• The above flat rate time includes 0.1 hour for administrative cost per unit.
Flat Rate Hour
3.1 hr/vehicle
2.8 hr/vehicle
3.8 hr/vehicle
Available Sublets:
•
•
•
Rental Car: Use sublet type "RT" for Op. Code 0516K2, 0516K4, or 0516K5. Customer rental car
through the Toyota-Rent-A-Car (TRAC) Program is available for a maximum of one day at a
maximum rate of $35 per day.
Toyota Genuine Rubber Grease: Up to $1.00 per vehicle may be claimed for the use of Toyota
Genuine Rubber Grease. Use sublet type “OF” for Op. Codes 0516K2, 0516K4, or 0516K5.
Brake Fluid: Toyota Genuine DOT 3 Brake Fluid (00475-1BF03) may be claimed up to 3 pints under
Op. Code 0516K2, 0516K4, or 0516K5.
The usage of these Part Numbers and Op. Codes will be closely monitored.
Inappropriate usage will result in the claim being debited.
Safety Recall Campaign A0M
Certain ‘05 through ‘06 Model Year Avalon and Certain ‘04 through ‘06 Model Year Highlander (Non Hybrid)
Brake Master Cylinder Cup – Q&A
Q1:
A1:
What is the condition?
During vehicle assembly, Toyota uses brake fluids containing polymers that act as lubricants for certain
brake system components. If replacement brake fluid is used that does not contain such polymers, or
contain only small amounts, a part of the rubber seal (Brake Master Cylinder Cup) located at the rear of the
brake master cylinder may become dry, and the rubber seal may curl during movement of the piston. If this
occurs, a small amount of the brake fluid could slowly leak from the seal into the brake booster, resulting in
illumination of the brake warning lamp.
If the vehicle continues to be operated in this condition, the brake pedal feel could change, and braking
performance could eventually begin to gradually degrade. If the warnings provided by the lamp illumination
and the change in pedal feel are not heeded, a vehicle crash could occur.
Toyota original brake fluid which is applied at the manufacturing plant contains polymers and does not cause
this phenomenon.
Q2:
A2:
What is the cause of this condition?
If replacement brake fluid is used that does not contain polymers, or that contains only small amounts, a part
of the rubber seal (Brake Master Cylinder Cup) located at the rear of the brake master cylinder may become
dry, and the seal may curl during movement of the piston. If this occurs, a small amount of the brake fluid
could slowly leak from the seal into the brake booster, resulting in illumination of the brake warning lamp.
Q3:
Q3:
What is a Brake Master Cylinder and what purpose does the Brake Master Cylinder Cup provide?
The vehicles covered by this Safety Recall Campaign utilize a hydraulic system to slow and stop the vehicle
under normal braking conditions. When the brakes are applied, the master cylinder converts the nonhydraulic pressure, applied to the brake pedal, into hydraulic pressure used in the braking system.
The Brake Master Cylinder Cup is a seal located inside the master cylinder that allows the piston to move
back and forth in the cylinder while preventing fluid from escaping past the piston.
Q4:
A4:
Are there any warnings that this condition exists?
Yes. If this occurs, a small amount of the brake fluid could slowly leak from the seal into the brake booster,
resulting in illumination of the brake warning lamp.
If the vehicle continues to be operated in this condition, the brake pedal feel could change, and braking
performance could eventually begin to gradually degrade. If the warnings provided by the lamp illumination
and the change in pedal feel are not heeded, a vehicle crash could occur.
Q5:
A5:
Which and how many vehicles are covered by this Safety Recall Campaign?
Model Year
2005 – 2006
2004 – 2006
Q6:
A6:
Model Name
Avalon
Highlander
Approx UIO
115,800
285,500
Are there any other Toyota or Lexus vehicles involved?
Yes, there are approximately 335,300 Lexus vehicles affected by this condition (see chart below):
Model Year
2006
2006
2006
2004 – 2006
Model Name
GS 300
IS 250
IS 350
RX 330
Approx UIO
28,700
8,200
12,400
286,000
Q7:
A7:
What is the production period of the covered vehicles?
The vehicles covered by this Safety Recall Campaign were produced from early-February 2003 to late
February 2006.
x Toyota vehicles covered by this Safety Recall Campaign were produced from late May 2003 to late
February 2006.
x Lexus vehicles covered by this Safety Recall Campaign were produced from early-February 2003 to
mid-February 2006.
Q8:
A8:
What is Toyota going to do?
Owners of vehicles covered by this Safety Recall will receive a notification by first class mail beginning in
mid-November 2010. The owner notifications will be mailed over several months consistent with parts
availability and repair capacity. Any Toyota dealer will replace the rubber seal (Brake Master Cylinder Cup)
with a newly designed one at NO CHARGE to the vehicle owner.
If during the rubber seal replacement, it is determined that brake fluid leakage has damaged the brake
booster it will also be replaced at NO CHARGE to the vehicle owner.
Q8a:
A8a:
What if a customer has the brake warning lamp illuminated?
The brake pedal feel and braking performance does not change immediately after the brake warning
lamp illuminated. However, we request such a customer to make an appointment with a Toyota
dealer for diagnosis and appropriate repair.
Q9:
A9:
How long will the repair take?
The repair will take approximately 2 hours. However, depending upon the dealer’s work schedule, it may be
necessary for the owner to make the vehicle available for a longer period of time.
Q10:
A10:
What if an owner has previously paid for repairs for this condition?
Owners that have previously paid for the replacement of the Brake Master Cylinder due to brake fluid
leakage from the rubber seal (Brake Master Cylinder Cup) should refer to the owner letter for instructions
regarding reimbursement consideration. If during the replacement of the brake master cylinder, it was
determined that the brake booster also required replacement due to damage caused by this specific
condition, Toyota will reimburse customers for both components.
Q11:
A11:
What if an owner has additional questions or concerns?
Owners with questions or concerns are asked to please contact the Toyota Customer Experience Center at
1-888-270-9371 Monday through Friday, 5:00 am to 6:00 pm, or Saturday 7:00 am through 4:00 pm Pacific
Time.
Certain 2005 through 2006 Avalon Vehicles & Certain 2004 through 2006 Highlander Vehicles
Brake Master Cylinder Cup (Rubber Seal)
Safety Recall Notice
[VIN]
Dear Toyota Owner:
This notice is being sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety
Act. Toyota has decided that a defect, which relates to motor vehicle safety, exists in a rubber seal (the Brake
Master Cylinder Cup) on certain 2005 through 2006 model year Avalon vehicles and certain 2004 through 2006
model year Highlander (Non Hybrid) vehicles.
What is the condition?
During vehicle assembly, Toyota uses brake fluids containing polymers that act as lubricants for certain brake
system components. If replacement brake fluid is used that does not contain such polymers, or contains only
small amounts, a part of the rubber seal (the Brake Master Cylinder Cup) located at the rear of the brake master
cylinder may become dry, and the rubber seal may curl during movement of the piston. If this occurs, a small
amount of the brake fluid could slowly leak from the seal into the brake booster, resulting in illumination of the
brake warning lamp [
or
].
e
l
p
If the vehicle continues to be operated in this condition, the brake pedal feel could change,
and braking
chan
performance could eventually begin to gradually degrade. If the warnings provided
rovided by the
th lamp illumination and
the change in pedal feel are not heeded, a vehicle crash could occur.
What is Toyota going to do?
m
a
Any Toyota dealer will replace the rubber seal (Brake Master
er Cylinder Cup) with a newly designed
d
desig
one at NO
CHARGE to you.
acement, it iss determined
determined that brake fluid leakage
lea
d
If during the rubber seal replacement,
has damaged
the brake booster
it will also be replaced at NO CHARGE
RGE to
o you
you.
What should you do?
o?
S
This is an important
ortant
rtant Safety Recall
Please contact your
dealer to make an appointment to have this important remedy
urr authorized Toyota deale
performed on your vehicle as soon as p
possible.
e Mast
The rubber seal (Brake
Master Cylinder Cup) replacement will take approximately two hours. However,
depending on the dealer’s work schedule, it may be necessary to make your vehicle available for a longer
period of time.
In the event the brake warning light has illuminated and/or you notice the feel of the brake pedal
change, please verify the brake fluid level in the reservoir. If the brake fluid level is low it is an
indication that brake fluid is leaking. Please add DOT3 brake fluid and make an appointment to have
this remedy completed immediately.
You do not need an owner letter to have this recall completed; however, to assist the dealer in
confirming vehicle eligibility, we request that you present this notice at the time of your service
appointment.
If you would like to update your vehicle ownership or contact information, please go to
www.toyota.com/ownersupdate. You will need your full 17-digit Vehicle Identification Number (VIN) to input the
new information.
What if you have other questions?
Your local Toyota dealer will be more than happy to answer any of your questions and set up an
appointment to perform this Safety Recall. If you require further assistance, you may contact the Toyota
Customer Experience Center at 1-888-270-9371 Monday through Friday, 5:00 am to 6:00 pm, Saturday 7:00 am
through 4:00 pm Pacific Time.
If you believe that the dealer or Toyota has failed or is unable to remedy the defect within a reasonable time, you
may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey
Avenue S.E., Washington, DC 20590 or call the toll free Vehicle Safety Hot Line at 1-888-327-4236 (TTY: 1800-424-9153), or go to http://www.safercar.gov.
What if you have previously paid for repairs for this condition?
If you have previously paid for repairs to address this specific condition, please mail a copy of the repair order,
proof-of-payment, and proof-of-ownership to the following address for reimbursement consideration:
Toyota Motor Sales, U.S.A., Inc
Toyota Customer Experience, WC10
19001 South Western Avenue, Torrance, CA 90509
e
l
p
Include your name, address, and telephone number(s) in your request. Please
ease allow us 6-8 weeks to process
your request.
If you are a vehicle lessor, Federal law requires that any vehicle
notice must forward a
e lessor receiving
ving this recall notic
copy of this notice to the vehicle lessee within ten days of your receipt
letter.
pt of this letter
m
a
Thank you for driving a Toyota.
Sincerely,
TOYOTA MOTOR SALES, U.S.A.,
S.A., INC.
S
TECHNICAL INSTRUCTIONS
FOR
SAFETY RECALL A0M
RUBBER SEAL (BRAKE MASTER CYLINDER CUP) REPLACEMENT
2004 – 2006 MODEL YEAR HIGHLANDER
2005 – 2006 MODEL YEAR AVALON
REVISED NOVEMBER 30, 2010
TECHNICAL INSTRUCTION REVISION NOTICE:
•
•
•
November 15, 2010:
- Additional information was added to Work Procedure Section B, step 6, “SERVICE TIP FOR
MASTER CYLINDER REMOVAL”
November 18, 2010:
- The table in Work Procedure Section C, step 2, “INSPECT FOR BRAKE FLUID LEAKAGE” was
revised to include new information.
- Work Procedure Section D, “SECONDARY INSPECTION FOR BRAKE FLUID LEAKAGE” was
added.
November 30, 2010:
- The Highlander 6 Cylinder Air Surge Tank to Intake Manifold Gasket part number was corrected
in the Appendix, refer to the “BRAKE BOOSTER PART NUMBER INFORMATION” table for details.
Previous versions of this Technical Instruction should be discarded.
I.
OPERATION FLOWCHART
Verify Vehicle Eligibility
1. Check the VIN range.
2. Check the TIS Vehicle Inquiry
System.
Not Involved
No further action required.
Remove the master cylinder and
inspect for brake fluid leakage.
Leak Detected
Replace the Brake Booster.
No Leaks
Replace the cylinder cup and
reinstall the master cylinder.
Safety Recall completed, return
the vehicle to the customer.
II.
IDENTIFICATION OF AFFECTED VEHICLES
A. AFFECTED VIN RANGE
Model
WMI
Year
2004
Highlander
JTE
2005
2006
VDS
DD21A
DP21A
ED21A
EP21A
GD21A
GP21A
HD21A
DD21A
DP21A
ED21A
EP21A
GD21A
GP21A
HD21A
DD21A
DP21A
ED21A
EP21A
GD21A
GP21A
HD21A
VIN Range
Range
0073058 – 0105659
0001001 – 0043214
0025894 – 0031832
0001008 – 0067233
0073656 – 0105684
0001006 – 0043210
0025363 – 0033057
0105687 – 0132243
0043215 – 0091384
0033309 – 0039278
0067234 – 0136405
0105182 – 0132242
0042673 – 0091386
0033060 – 0040125
0132256 – 0139663
0091388 – 0102288
0040139 – 0041931
0136406 – 0153766
0132244 – 0139662
0090882 – 0102287
0040128 – 0042017
2
AFFECTED VIN RANGE CONTINUED…
Model
WMI
Avalon
4T1
VIN Range
Year
VDS
Range
2005
BK36B
U001003 – U062426
2006
BK36B
U042154 – U124198
NOTE:
• Check the TIS Vehicle Inquiry System to confirm the VIN is involved in this Safety Recall 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.
III.
PREPARATION
A. PARTS
Part Number
Part Description
Quantity
04000-33158
Rubber Seal (Brake Master Cylinder Cup) Kit*
1
* The kit above includes the following parts:
90029-20059
Rubber Seal (Cylinder Cup)
Quantity 1
90947-01322
O-ring
Quantity 1
―
Wire Tie
Quantity 1
a
B. TOOLS & EQUIPMENT
• Flash Light
• Protective Eyewear
• Standard Hand Tools
• Techstream
• Torque Wrench
• Workbench with Vise
C. MATERIALS & SUPPLIES
• Paper Towels
• Plastic Bag
• Toyota Genuine DOT 3 Brake Fluid = 00475-1BF03 = Quantity 3
• Toyota Rubber Grease = 08887-01206 = Quantity 1**
** One tube of Toyota Rubber Grease can be used on approximately 100 vehicles.
IV.
BACKGROUND
During vehicle assembly, Toyota uses brake fluids containing polymers that act as lubricants for certain
brake system components. If replacement brake fluid is used that does not contain such polymers, or
contain only small amounts, a part of the rubber seal (Brake Master Cylinder Cup) located at the rear of
the brake master cylinder may become dry, and the rubber seal may curl during movement of the piston.
If this occurs, a small amount of the brake fluid could slowly leak from the seal into the brake booster,
resulting in illumination of the brake warning lamp.
If the vehicle continues to be operated in this condition, the brake pedal feel could change, and braking
performance could eventually begin to gradually degrade. If the warnings provided by the lamp
illumination and the change in pedal feel are not heeded, a vehicle crash could occur.
Toyota original brake fluid which is applied at the manufacturing plant contains polymers and does not
cause this phenomenon.
3
V.
WORK PROCEDURE
A. COMPONENTS
B. WORK PROCEDURE PRECAUTIONS
READ and FOLLOW all procedure PRECAUTIONS and
INSTRUCTIONS before beginning work on the vehicle!
1. HANDLING OF REPLACEMENT PARTS
-
All removed parts that are NOT reused should be rendered unusable or marked to prevent them from being
reinstalled.
2. PREVENT DIRT, DEBRIS AND FOREIGN MATTER FROM ENTERING THE BRAKE SYSTEM
-
DO NOT use shop cloths or cloth gloves, doing so may allow pieces of thread to enter the master cylinder.
Keep your hands clean to prevent dirt, debris and foreign matter from entering the master cylinder during the
work procedure.
Take measures to prevent dirt, debris and foreign matter from entering the brake system during the work
procedure.
3. DO NOT USE METAL TOOLS
-
Using metal tools to remove or install the rubber o-ring and cup will damage the metal grooves of the master
cylinder.
4. HANDLING AND INSPECTION OF BRAKE TUBES
-
DO NOT deform or damage the brake tubes during the removal and installation process.
After reinstalling the brake tubes, check to make sure they DO NOT interfere with each other.
5. HANDLING OF BRAKE FLUID
-
DO NOT reuse brake fluid.
Brake fluid damages painted surfaces. Make sure to immediately clean off any spilled brake fluid by rinsing
the area with water.
Bleeding the brake system may cause fluid to spray outwards, so make sure to wear protective eyewear when
performing this procedure.
6. SERVICE TIP FOR MASTER CYLINDER REMOVAL
-
Negative pressure inside the booster may cause the piston to come off when removing the master cylinder. This
may result in brake fluid leakage into the booster.
Release the negative pressure from the booster prior to removing the master cylinder. Do this by pressing the
brake pedal all the way ten times with the engine off. Once completed, slowly remove the master cylinder
from the booster.
4
C. PRELIMANARY INSPECTION FOR BRAKE FLUID LEAKAGE
1. REMOVE THE MASTER CYLINDER
a) Follow the Brake Master Cylinder removal procedure outlined in the repair manual on TIS for the vehicle
you are working on.
2. VISUAL INSPECTION FOR BRAKE FLUID LEAKAGE
a) As shown below, visually inspect the booster for signs of brake fluid leakage from the master cylinder.
Brake Booster Judgment Criteria
Result
No fluid found.
Booster is OK
Replace the cylinder cup
as outlined in section F.
Fluid droplet(s) are visible on the rod retainer and/or spring.
Booster requires
additional inspection
Proceed to section D
“SECONDARY
INSPECTION FOR
BRAKE FLUID LEAKAGE”
A
5
D. SECONDARY INSPECTION FOR BRAKE FLUID LEAKAGE
1. PREPARE MULTIPLE TEST STRIP
a) Using plain copy paper (letter size), cut a 20 mm (0.8 in.)
wide strip length wise and fold it in half to 10 mm (0.4 in.).
b) Using a permanent marker, draw three 1 mm (0.04 in.)
wide lines as shown.
NOTE:
Prepare a test strip in advance and place it in a droplet of
brake fluid to confirm how the permanent marker lines
react, which will be used as a reference point.
2. BRAKE FLUID LEAK CHECK PART 1
a) Insert a new test strip in the locations shown or where the
fluid was found.
b) Remove the test strip and let it sit for 1 minute, then
determine the judgement using the table below.
Judgement
Result
Assembly oil detected.
Booster requires additional
inspection
Proceed to step 3 “BRAKE FLUID
LEAK CHECK PART 2”.
Brake fluid detected.
Booster is NG
Replace the brake booster as
outlined in section E.
&
Replace the cylinder cup as
outlined in section F.
a
3. BRAKE FLUID LEAK CHECK PART 2
a) Insert a new test strip inside the bottom of the booster in
the locations shown.
b) Remove the test strip and let it sit for 1 minute, then
determine the judgement using the table below.
Judgement
Result
Assembly oil detected.
Booster is OK
Replace the cylinder cup as
outlined in section F.
Brake fluid detected.
Booster is NG
Replace the brake booster as
outlined in section E.
&
Replace the cylinder cup as
outlined in section F.
a
6
E. REPLACE THE BRAKE BOOSTER (IF BRAKE FLUID LEAKAGE WAS DETECTED)
1. REPLACE THE BRAKE BOOSTER
a) Follow the Brake Booster replacement procedure outlined in the repair manual on TIS for the vehicle you
are working on. For brake booster part number information, please reference section VI “APPENDIX”
F. REPLACE THE RUBBER SEAL (BRAKE MASTER CYLINDER CUP)
1. DRAIN THE MASTER CYLINDER BRAKE FLUID
c) Remove the reservoir cap.
d) Drain the master cylinder brake fluid and reinstall the cap.
e) Discharge the brake fluid inside master cylinder by slowly
moving the piston in and out for 2 complete strokes.
NOTE:
• Pushing the piston SLOWLY will prevent brake fluid
from spraying out.
• Make sure to wear protective eyewear when performing
this procedure.
2. COVER THE MASTER CYLINDER
a) Cover the master cylinder with a plastic bag to prevent
dirt, debris and foreign matter from entering.
3. CLEAN THE MASTER CYLINDER
a) Clean the highlighted area shown with a paper towel to
remove any dirt, debris and foreign matter.
NOTE:
DO NOT use a shop cloth, doing so may allow pieces of
thread to enter the master cylinder.
7
4. REMOVE THE PISTON
a) Pull off the piston by hand.
b) The piston is a precision part, so store it in a manner that
will prevent it from damage, dirt, debris and foreign
matter.
5. REMOVE THE O-RING
a) Remove the o-ring by hand.
b) Cut the o-ring to prevent it from being reused.
c) Clean the o-ring mounting groove with a paper towel.
NOTE:
DO NOT use a shop cloth, doing so may allow pieces of
thread to enter the master cylinder.
6. REMOVE THE RUBBER SEAL (BRAKE MASTER
CYLINDER CUP)
a) Clean the supplied wire tie.
b) To make it easier to grip, loop the end of the wire tie as
shown.
NOTE:
• DO NOT use the wire tie more than once, doing so
will decrease its effectiveness and may introduce
dirt, debris and foreign matter.
• DO NOT cut the wire tie, doing so may introduce dirt,
debris and foreign matter.
8
c) Insert the tip of the wire tie over the outside of the Rubber Seal (Brake Master Cylinder Cup) as shown
above.
d) Keep the wire tie flat and insert it further while sliding it along the circumference, until the Rubber Seal
(Brake Master Cylinder Cup) is raised and accessible.
e) Remove and cut the Rubber Seal (Brake Master Cylinder Cup) and wire tie to prevent them from being
reused.
NOTE:
DO NOT clean the Rubber Seal (Brake Master Cylinder Cup) mounting groove.
9
7. INSTALL THE NEW RUBBER SEAL (BRAKE MASTER
CYLINDER CUP)
a) Apply approximately 0.5g of Rubber Grease evenly over
the entire surface of the NEW Rubber Seal (Brake Master
Cylinder Cup).
Rubber Grease Quantity
• 0.5g = 0.2 in / 5 mm squeezed from the tube
b) Install the NEW Rubber Seal (Brake Master Cylinder
Cup) by hand, making sure the flared edge is facing
down.
NOTE:
DO NOT damage the lip of the Rubber Seal (Brake Master
Cylinder Cup).
c) Confirm the positioning of the NEW Rubber Seal (Brake
Master Cylinder Cup), making sure the flared edge is
facing down.
NOTE:
• Confirmation of the Rubber Seal (Brake Master
Cylinder Cup) position may be difficult. To help,
shine a light in the direction shown during the
inspection.
• If the Rubber Seal (Brake Master Cylinder Cup) is
installed incorrectly (flared edge facing up) it MUST
be replaced with a new one.
8. INSTALL THE NEW O-RING
a) Apply Rubber Grease to the entire surface of the NEW oring.
b) Install the NEW o-ring to the master cylinder, making
sure it is not twisted.
9. REINSTALL THE PISTON
a) Clean the piston with brake fluid.
10
b) Apply approximately 0.5g of Rubber Grease to the piston
in the 2 areas listed below, and as shown in the
illustration.
i. Even coat over the top half of the piston.
ii. Thick coating around the top edge of the piston
Rubber Grease Quantity
• 0.5g = 0.2 in / 5 mm squeezed from the tube
c) Gradually reinstall the piston straight into the master
cylinder, until the ports line up with edge of the cylinder
as shown.
d) Turn the piston 90º to the left and to the right 5 times,
then gradually push the piston in until it stops.
NOTE:
DO NOT insert the piston with one push, do it gradually.
e) Confirm that the piston ports are in the correct position as
shown.
11
f) Move the piston in and out slowly for 2 complete strokes.
g) Remove the plastic bag.
10. BLEED THE AIR FROM THE MASTER CYLINDER
a) Secure the master cylinder to a vise padded with paper
towels.
b) Fill the reservoir tank withToyota Genuine DOT 3 Brake
Fluid.
NOTE:
DO NOT use a shop cloth, doing so may allow pieces of
thread to enter the master cylinder.
c) Push the piston in slowly and hold it in place.
d) Plug the brake line holes with your fingers, and let the
piston return to its original position.
e) Release your fingers, then push the piston in slowly and
hold it in place.
f) Repeat steps d) & e) several times until the air is bleed
from the master cylinder.
NOTE:
• Pushing the piston SLOWLY will prevent brake fluid
from spraying out.
• DO NOT allow the reservoir tank to become empty,
doing so will allow air to enter the master cylinder.
• Make sure to wear protective eyewear when performing
this procedure.
11. REINSTALL THE MASTER CYLINDER
a) Follow the Brake Master Cylinder installation procedure as outlined in the repair manual on TIS for the
vehicle you are working on.
12
12. BLEED THE BRAKE SYSTEM
a) Follow the Brake Fluid Bleeding procedure as outlined in the repair manual on TIS for the vehicle you are
working on.
13. TEST DRIVE THE VEHICLE
- COMPLETED -
VI.
APPENDIX
• NOTE
As required by Federal Regulations, please make sure all recalled parts (original parts) removed from
the vehicle are disposed of in a manner in which they will not be reused, unless requested for parts
recovery return.
•
BRAKE BOOSTER PART NUMBER INFORMATION
MODEL
PART NUMBER
PART DESCRIPTION
Avalon
Highlander
4 Cylinder
Highlander
6 Cylinder
QUANTITY
44610-07121
Brake Booster Assembly
1
44785-07010
Brake Booster Gasket
1
90468-16035
Clip
1
44610-48271
Brake Booster Assembly
1
44785-07010
Brake Booster Gasket
1
90468-16142
Clip
1
44610-48271
Brake Booster Assembly
1
44785-07010
Brake Booster Gasket
1
90468-16142
Clip
1
17176-20020
Air Surge Tank to Intake Manifold Gasket
1
22271-20040
Throttle Body Gasket
1
13
Toyota Rubber Grease (Part Number 08887-01206) MSDS
14
Toyota Rubber Grease (Part Number 08887-01206) MSDS
15
Toyota Rubber Grease (Part Number 08887-01206) MSDS
16
Toyota Rubber Grease (Part Number 08887-01206) MSDS
17