NHTSA ID Number: 10189987
Manufacturer Communication Number: 21-BR-001H
TSB/Document Date: 2021-04-06
Summary
This bulletin provides a front brake pad backing plate grease application procedure to address squealing during braking.
GROUP
NUMBER
BRAKES
DATE
Technical Service Bulletin
21-BR-001H
MODEL(S)
MARCH 2021
Kona (OS)
FRONT BRAKE PAD BACKING PLATE GREASE APPLICATION
SUBJECT:
Description: This bulletin provides a front brake pad backing plate grease application procedure to
address squealing during braking.
Applicable Vehicles: All gasoline powered Kona (OS) vehicles produced from Start Of Production
(SOP) to September 17, 2020.
Warranty Information:
MODEL
Kona (OS)
OP CODE
OPERATION
OP TIME
CAUSAL
PART
NATURE
CODE
CAUSE
CODE
58000F00
FRONT BRAKE
PAD GREASE
APPLICATION
0.5 M/H
58101*
Q42
ZZ1
*Refer to the applicable parts catalog for full causal part numbers.
NOTE 1: Please submit $1.00 in sublet for reimbursement of grease.
Parts Required:
NAME
PART NUMBER
Brake
Anti-Squeal
Grease
581G0-J9050FFF
PHOTO
REMARK
1 tube for
approximately 7
vehicles
Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair
FRONT BRAKE PAD BACKING PLATE GREASE APPLICATION
SUBJECT:
Service Procedure:
Refer to the link for brake squeal noise. https://youtu.be/aKo9ZR54V3o
1.
Remove the brake pad according to the
vehicle shop manual.
Brake System > Brake System > Front
Disc Brake
NOTICE
Do not remove the disc nor caliper
carrier
.
Reuse the return spring, pad retainer,
and shims.
2.
Apply a thin layer of grease on the edges of
the inner and outer brake pad backing plate
as shown on the reference diagram.
Each pad should receive 0.250 grams (0.009
ounces) of grease or 0.125 grams per edge
(approximately 1 gram per vehicle).
!
!
CAUTION
Prevent grease from touching the disc
or pad friction material.
.
Use brake cleaner to remove errant
grease.
3.
Perform this procedure on the other side of
the vehicle.
4.
Reinstall all removed parts in reverse order
of removal.
5.
Tighten all bolts to the torque
specification recommended in the
appropriate vehicle shop manual.
6.
The service procedure is now complete.
TSB #: 21-BR-001H
Page 2 of 2
SUBJECT:
- Mixes well with conventional fluids
- Low-moisture formula provides excellent vapor lock...
- Ideal for hydraulic and disc brakes
- Provides an extra margin of safety in extreme braking...
- Mix of polyglycol ethers ensures hot brake-system operation...
- Excellent for ABS, disc and drum brake systems
- Delivers braking power when needed by avoiding a spongy...
- Both wet and dry boiling points exceed the minimum...
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TSB/Document ID: 21-BR-001H
Replacement Service Bulletin Number:
MFR Communication Date: 2021-03-10
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SERVICE BRAKES
MFR Component System:
MFR Component Subsystem:
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