NHTSA ID Number: 10132090
Manufacturer Communication Number: T-SB-0081-13 Rev
TSB/Document Date: 2018-04-02
Summary
Some 2012 - 2013 model year Prius V vehicles may exhibit a rear brake groan or squeak noise when going forward or backing up when the brakes are cold. New Rear Brake Caliper Assemblies that include anti-squeal shims, brake pads, and pad support clips and NEW rear rotors have been developed to help address this condition.
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TSB/Document ID: T-SB-0081-13 Rev
Replacement Service Bulletin Number:
MFR Communication Date: 2013-10-03
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: BACK OVER PREVENTION
MFR Component System:
MFR Component Subsystem:
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T-SB-0081-13
Rev1
June 28, 2013
Rear Brake Groan or Squeak Noise when Cold
Service
Category
Brake
Section
Brake (rear)
Market
USA
Applicability
YEAR(S)
MODEL(S)
2012 – 2013
Prius V
ADDITIONAL INFORMATION
REVISION NOTICE
October 3, 2013 Rev1:
• The Parts Information and Warranty Information sections have been updated.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some 2012 – 2013 model year Prius V vehicles may exhibit a rear brake groan or squeak noise
when going forward or backing up when the brakes are cold. New Rear Brake Caliper Assemblies
that include anti-squeal shims, brake pads, and pad support clips have been developed to help
address this condition.
Production Change Information
This bulletin applies to vehicles produced BEFORE the Production Change Effective VIN shown
below.
MODEL
PRODUCTION CHANGE EFFECTIVE VIN
Prius V
JTDZN3EU#D3207505
© 2013 Toyota
Motor Sales, USA
Page 1 of 3
Rev1
T-SB-0081-13
June 28, 2013
Page 2 of 3
Rear Brake Groan or Squeak Noise when Cold
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
36
40
BR1206
R & R Rear Calipers
0.8
47810-47090
47820-47090
47830-47080
47850-47080
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
473075
Rear Disc (One Side) (On-Vehicle) Grind*
1.3
Combo A
Opposite Side*
1.1
42431-47050
36
40
42431-47050
36
40
OR
473061
R & R Rear Disc Brake*
0.7
Combo A
Opposite Side*
0.2
* Do NOT claim both grinding and disc replacement. Only ONE or the other operation is allowed.
* Disc should NOT be replaced unless the disc thickness is less than minimal specification and must be grinded with
On-car Lathe.
APPLICABLE WARRANTY
• This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months
or 36,000 miles, whichever occurs first, from the vehicle’s in-service date.
• Warranty application is limited to occurrence of the specified condition described in this
bulletin.
Parts Information
PART NUMBER
PART NAME
QTY
47810-47100
Loaded Caliper Assembly, Right Rear
1
47820-47100
Loaded Caliper Assembly, Left Rear
1
42431-47050
Rear Disc
2
90401-10058
Bolt, Union (for Rear Flexible Hose)
2
47389-50020
Gasket (for Rear Flexible Hose)
2
PREVIOUS
NEW
47810-47090
47830-47080
47820-47090
47850-47080
Required Tools & Equipment
REQUIRED EQUIPMENT
QTY
On-Car Brake Lathe
1
© 2013 Toyota Motor Sales, USA
T-SB-0081-13
Rev1
June 28, 2013
Page 3 of 3
Rear Brake Groan or Squeak Noise when Cold
Repair Procedure
1. Conduct a road test to verify the rear brakes groan or squeak.
NOTE
The condition usually occurs when the brakes are cold and damp.
2. Remove rear brake caliper assembly.
Refer to the Technical Information System (TIS), applicable model and model year Repair
Manual:
• 2012 / 2013 Prius V:
Brake – Brake (Rear) – “Brake (Rear): Rear Brake: Removal”
3. Measure the disc thickness using a micrometer.
• Standard Thickness: 12.0 mm (0.472 in.)
• Minimum Thickness: 10.5 mm (0.413 in.)
NOTE
If the disc thickness is less than the minimum, replace the disc.
4. If discs are within the standard thickness, grind both rear discs using an on-car lathe.
Runout Specification upon Completion: 0.15 mm (0.00591 in.)
NOTE
Even if discs are within runout specification (0.15 mm [0.00591 in.]), disc grinding is part of
required repair procedure if discs are NOT replaced.
5. Install NEW rear brake caliper assembly.
Refer to TIS, applicable model and model year Repair Manual:
• 2012 / 2013 Prius V:
Brake – Brake (Rear) – “Brake (Rear): Rear Brake: Installation”
6. Conduct a test drive and confirm condition is no longer present.
© 2013 Toyota Motor Sales, USA
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