Bag, go to step 7.
If repairing a vehicle equipped with a Knee
Air Bag, continue to step 5.
5.

Equipped with Knee Air Bag
Record the customer’s AM, FM, and SXM
radio preset stations.
Disconnect the negative (-) battery terminal.

NOTICE
Wait at least 3 minutes before
proceeding to ensure voltage is bled
off.

!

Battery Terminal Tightening Torque

lb-in • 69.6-86.4
lb-ft • 5.8-7.2

!

CAUTION

Not removing the negative (-) terminal
from the battery may result in accidental
airbag deployment and possible
physical injury.

kgf.m • 0.1-1.0

N.m • 7.8-9.8

TSB #: 22-ST-005H-1

Page 6 of 14
SUBJECT:

C-MDPS WORM SHAFT BEARING NOISE

SUBJECT:

6.

Carefully remove the driver's knee airbag
following the procedures in the applicable
shop manual.
Restraint > Airbag Module > Knee Airbag
(KAB) Module

!

!

CAUTION

The airbag may accidently be deployed
and possibly cause physical injury.
After removing the knee airbag
module, position airbag with the cover
facing upward.

7.

Additional parts may have to be removed to
gain access to the small bearing. Follow the
applicable shop manual for part removal
procedures.

TSB #: 22-ST-005H-1

Page 7 of 14
SUBJECT:

C-MDPS WORM SHAFT BEARING NOISE

SUBJECT:

8a.

Vehicles with Plug
Remove the plug (B).
Reuse the plug during reassembly.
Plug Tightening Torque

B

lb-ft • 28.2-35.5
kgf.m • 3.9-4.9
N.m • 38.3-48.1

8b.

Vehicles with Plastic Cover
Remove the plastic cover (C) by breaking
the six cover tabs with pliers.

C

TSB #: 22-ST-005H-1

Page 8 of 14
SUBJECT:

C-MDPS WORM SHAFT BEARING NOISE

SUBJECT:

9.

Remove the anti-rattle plug (D).
Anti-Rattle Plug Tightening Torque

lb-in • 86.4-112.8
lb-ft • 7.2-9.4

D

kgr.m • 1.0-1.3
N.m • 9.8-12.8

10.

Remove the anti-rattle spring (E).

NOTICE
Keep the anti-rattle spring free of
debris after removal. Reuse the spring
during reassembly.

11.

E

Remove the slide pin (F).

NOTICE
Keep the slide pin free of debris after
removal. Reuse the slide pin during
reassembly.

TSB #: 22-ST-005H-1

F

Page 9 of 14
SUBJECT:

SUBJECT:

12.

C-MDPS WORM SHAFT BEARING NOISE

Remove the sliding damper (G) and discard.

G

13.

Use the MDPS small bearing removal tool,
to remove and discard the bearing.
How to use the tool
1. Insert the ends (a) of the tool into the
MDPS housing to grasp the outer
race of the bearing.
2. Slowly turn the threaded rod (b) until
the tip (c) reaches the center of the
bearing and worm shaft.
3. Continue to turn the rod slowly until
the bearing is pulled off the worm
shaft.
b
b

c

a

TSB #: 22-ST-005H-1

Page 10 of 14
SUBJECT:

C-MDPS WORM SHAFT BEARING NOISE

SUBJECT:

14.

Use the supplied paper stick to remove the
excess grease.

15.

Remove the bolt (H) from the MDPS small
bearing mounting tool. This bolt will be used
to locate the tool on the MDPS housing.

H

NOTICE
Ensure the correct bearing mount tool
is used. Using the incorrect tool can
damage the bearing and/or MDPS
housing.

NOTICE
After completing the bearing
installation procedure, thread the bolt
back into its original position.
16.

Insert the new bearing into the bearing
holder.

NOTICE
Ensure the correct bearing is used for
the vehicle. The 608 bearing is larger
than the 626 bearing.

626
OD: 19mm

608
OD: 22mm

TSB #: 22-ST-005H-1

Page 11 of 14
SUBJECT:

C-MDPS WORM SHAFT BEARING NOISE

SUBJECT:

17.

18.

Place the tool onto the MDPS housing as
shown in the photo in the right. Slide the bolt
(H) through the hole and then thread the bolt
into the anti-rattle plug boss (I). Tighten the
bolt (H) until the tool is firmly held onto the
MDPS housing.

H

I

Use a torque wrench to slowly seat the
bearing into position on the worm shaft.
Bearing Seating Torque

lb-in • 26.52

lb-ft • 2.21
kgf.m • 0.31
N.m • 3.0

NOTICE
Note the small torque values to seat
the bearing.
Only use hand tools. Electric tools may
damage the bearing during assembly.

TSB #: 22-ST-005H-1

Page 12 of 14
SUBJECT:

C-MDPS WORM SHAFT BEARING NOISE

SUBJECT:

19.

Remove the tool from the MDPS housing
and inspect the bearing.
Ensure the bearing is fully seated and the
end of the worm shaft is protruding
approximately 1.2mm (0.047 inch).
If the bearing did not seat as shown in the
photo, increase the torque setting on the
torque wrench and continue to slowly seat
the bearing.
Increased Bearing Seating Torque

lb-in • 44.28

OK
Bearing is seated
properly. The end
of the worm shaft is
protruding.

Not OK
Bearing is not
seated properly.
The end of the
worm shaft is flush
with the bearing.

lb-ft • 3.69

kgf.m • 0.51
N.m • 5.0

NOTICE
If the bearing is removed during this
procedure, do not reinstall the bearing
as it might be damaged and cause a
noise. A new bearing must be used.

TSB #: 22-ST-005H-1

Page 13 of 14
SUBJECT:

C-MDPS WORM SHAFT BEARING NOISE

SUBJECT:

20.

Install the new sliding damper. Align the hole
on the side of the sliding damper (J) with the
anti-rattle plug boss (I).
I

NOTICE

J

Ensure the correct sliding damper is
used. Color may vary by kit.

Align this side with
the hole with the
plug boss.
21.

Not this side.

Install the plastic end cover (L). Ensure
cover snaps into place and is flush with the
housing.
L

NOTICE
Ensure the correct end cover is used.
Color may vary by kit.

22.

Reinstall parts in the reverse order of
removal.

23.

If necessary, reconnect the negative battery
cable after all the components have been
reinstalled to the vehicle. Program the
customer’s AM, FM, and SXM radio preset
stations.

24.

The service procedure is now complete.

TSB #: 22-ST-005H-1

Page 14 of 14
SUBJECT: