NHTSA ID Number: 10185583
Manufacturer Communication Number: SB-14-001
TSB/Document Date: 2021-01-19
Summary
In the event that a cracked or broken cab step exists on the driver?s side or passenger side of the subject vehicles, a revised cab step has been released with a reinforcement pipe that will increase the robustness of the cab step to reduce the chance of repeated cracking or breaking. Vehicles built on or before January 18, 2013 will also require a reinforcement bolt be installed in the multi-layer steel flange on both sides of the vehicle.
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TSB/Document ID: SB-14-001
Replacement Service Bulletin Number:
MFR Communication Date: 2014-08-25
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
Group:
Bulletin No.:
Issue Date:
61 – Cab & Body
SB-14-001
08/25/2014
SERVICE BULLETIN
OVERVIEW:
In the event that a cracked or broken cab step exists on the driver’s side or passenger side of the subject
vehicles, a revised cab step has been released with a reinforcement pipe that will increase the robustness of
the cab step to reduce the chance of repeated cracking or breaking. Vehicles built on or before January 18,
2013 will also require a reinforcement bolt be installed in the multi-layer steel flange on both sides of the
vehicle.
NOTE: This procedure is provided as technical information and is not an authorization for a warranty repair.
SUBJECT VEHICLES:
2012MY – 2014 MY COE (XFC710, XFC720, XFC740, XJC700, XJC710, XJC720, XJC740) vehicles that were
assembled at the Hamura, Japan plants built on or before 7/31/2013.
BEFORE YOU BEGIN:
- Read and understand all instructions and procedures before you begin the work.
- Read and follow all WARNINGS and NOTICES set forth in this publication. These alerts help to avoid damage
to components, serious personal injury, or both.
- Parking the vehicle on a level and solid surface and apply the parking brake.
- Confirm the engine is stopped, the starter switch is in the off (LOCK) position, and the key is removed.
- Wear safety glasses to prevent eye injuries.
- Place wheel chocks in front of and behind all wheels.
PARTS:
PART NUMBER
5830737110
5830837090
5108337064
5108437053
9017908184
9010908295
9155180820
Page 1 of 27
DESCRIPTION
Passenger Side Reinforcement Pipe
Driver Side Reinforcement Pipe
Passenger Side Cab Step
Driver Side Cab Step
Nut
Bolt
Bolt
QUANTITY
1
1
1
1
0-2
0-2
2
Vendor Ref.: HMM-140109-J1
Group:
Bulletin No.:
Issue Date:
61 – Cab & Body
SB-14-001
08/25/2014
SERVICE BULLETIN
VEHICLE PREPARATION:
1. Park the vehicle on level ground.
2. Confirm the engine is stopped, the ignition
switch is in the off (LOCK) position, and the
key is removed.
3. Apply the parking brake.
4. Chock all of the wheels.
Page 2 of 27
Vendor Ref.: HMM-140109-J1
Group:
Bulletin No.:
Issue Date:
61 – Cab & Body
SB-14-001
08/25/2014
SERVICE BULLETIN
NOTICE: This Technical Service Bulletin contains 3 different repair procedures.
Repair Procedure - A is for single cab vehicles built on or before
January 18, 2013.
Repair Procedure - B is for crew cab vehicles built on or before
January 18, 2013.
Repair Procedure - C is for both single cab and crew cab vehicles built after
January 18, 2013.
Note: Some photographs will picture a single cab rather than a crew cab, but the applicable procedures
for the crew cab will be similar.
REPAIR PROCEDURE – A:
NOTICE: This procedure only applies to single cab vehicles built on or before January 18, 2013.
1. Remove the 6 bolts from the front bumper.
Remove the bumper.
Bolts
NOTICE: Do not discard the bumper or bumper bolts. They will be reused during the reassembly procedure.
2. Release the cab lock and raise the cab.
Cab Lock
Page 3 of 27
Vendor Ref.: HMM-140109-J1
Group:
Bulletin No.:
Issue Date:
61 – Cab & Body
SB-14-001
08/25/2014
SERVICE BULLETIN
3. Open the driver’s door and remove the 10
bolts from the driver’s side cab step. Remove
and discard the driver’s side cab step.
NOTICE: Do not discard the 10 bolts. They will be reused during the reassembly procedure.
4. Open the passenger door and remove the 8
bolts from the passenger side cab step.
Remove and discard the passenger side cab
step.
Bolts
NOTICE: Do not discard the 8 bolts. They will be reused during the reassembly procedure.
5. On the driver’s side, locate the flange near the
front of the bottom of the cab. The spot weld
may be broken. Regardless of whether or not
the spot weld is broken, install Vice-Grips to
lock the flange together in preparation for
drilling through the multi-layer steel flange.
Page 4 of 27
Flange
Vendor Ref.: HMM-140109-J1
Group:
Bulletin No.:
Issue Date:
61 – Cab & Body
SB-14-001
08/25/2014
SERVICE BULLETIN
6. While looking under the driver’s side of the cab, mark the 9mm hole to be drilled. The hole should be
18mm (3/4 inch) above the top hole in the lower flange. It should be 2mm to the right of the center of
the 2 holes in the flange (on the edge of the ridge in the flange). See diagram below.
9mm Hole
Hole should
meet edge of
this ridge
WARNING: To avoid personal injury, eye and ear protection must be worn when drilling under the cab of the
vehicle.
NOTICE: Use caution to avoid drilling into the door once the drill bit protrudes from the multi-layer steel
flange.
7. Using a 9mm (23/64th) drill bit, drill a hole
through the multi-layer steel flange where the
marking was made.
Page 5 of 27
Vendor Ref.: HMM-140109-J1
Group:
Bulletin No.:
Issue Date:
61 – Cab & Body
SB-14-001
08/25/2014
SERVICE BULLETIN
8. Using a rat tail file, de-burr the outside edge of
the drilled hole.
9. Mask the area around the drilled hole. Apply
an anti-rust aerosol spray paint such as
Rustoleum that matches the color of the cab.
Allow the paint to dry before installing the
retainer bolt.
10. On the passenger side, locate the flange near
the front of the bottom of the cab. The spot
weld may be broken. Regardless of whether or
not the spot weld is broken, install Vice-Grips
to lock the flange together in preparation for
drilling through the multi-layer steel flange.
Page 6 of 27
Flange
Vendor Ref.: HMM-140109-J1
Group:
Bulletin No.:
Issue Date:
61 – Cab & Body
SB-14-001
08/25/2014
SERVICE BULLETIN
11. While looking under the passenger side of the cab, mark the 9mm hole to be drilled. The center of the
hole should be 18mm (3/4 inch) above the center of the top hole in the lower flange. It should be 2mm
to the left of the center of the 2 holes in the flange (on the edge of the ridge in the flange). See
diagram below.
9mm Hole
Hole should
meet edge
of this ridge
WARNING: To avoid personal injury, eye and ear protection must be worn when drilling under the cab of the
vehicle.
NOTICE: Use caution to avoid drilling into the door once the drill bit protrudes from the multi-layer steel
flange.
12. Using a 9mm (23/64th) drill bit, drill a hole
through the multi-layer steel flange where the
marking was made.
Page 7 of 27
Vendor Ref.: HMM-140109-J1
Group:
Bulletin No.:
Issue Date:
61 – Cab & Body
SB-14-001
08/25/2014
SERVICE BULLETIN
13. Using a rat tail file, de-burr the outside edge of
the drilled hole.
14. Mask the area around the drilled hole. Apply
an anti-rust aerosol spray paint such as
Rustoleum that matches the color of the cab.
Allow the paint to dry before installing the
retainer bolt.
15. Install the passenger side reinforcement pipe (58307-37110) for the passenger side cab step using 2
bolts (91551-80820). Ensure the hole on the pipe is aligned with the welded nut located where the cab
step attaches to the body. Tighten the 2 bolts to the specified torque.
Specified Torque: 23 lb-ft (31 Nm)
Reinforcement
Pipe
Align
With Hole
Page 8 of 27
Vendor Ref.: HMM-140109-J1
Group:
Bulletin No.:
Issue Date:
61 – Cab & Body
SB-14-001
08/25/2014
SERVICE BULLETIN
16. Remove the 2 bolts from the rear of the vacuum tank under the cab on the driver’s side.
NOTICE: Do not discard the bolts. They will be reused during the next step.
Bolts
Vacuum
Tank
17. Install the driver’s side reinforcement pipe (58308-37090) for the cab step. The pipe will be mounted in
the same place from which the vacuum tank bolts were removed. Ensure the hole on the pipe is
aligned with the welded nut located where the cab step attaches to the body. Tighten the 2 bolts to
the specified torque.
Specified Torque: 23 lb-ft (31 Nm)
Bolts
Align
With Hole
Reinforcement
Pipe
Page 9 of 27
Vendor Ref.: HMM-140109-J1
Group:
Bulletin No.:
Issue Date:
61 – Cab & Body
SB-14-001
08/25/2014
SERVICE BULLETIN
18. Locate the ground wires on the driver’s side frame rail. The ground wires will need to be repositioned
to allow for 35mm of clearance between the new reinforcement pipe and the chassis grounds. Loosen
the 2 ground bolts; reposition the wires as needed, then torque the ground bolts to the specified
torque.
Specified Torque: 13 lb-ft (18 Nm)
35mm
35mm
Vacuum
Tank
Reinforcement
Pipe
Grounds
19. Once the paint has dried, install a bolt (90109-08295) through the flange on each side. Install a nut
(90179-08184) on the back side of the flange. Tighten the nut to the specified torque.
Specified Torque: 20 lb-ft (27 Nm)
Nut &
Bolt
Page 10 of 27
Nut &
Bolt
Vendor Ref.: HMM-140109-J1
Group:
Bulletin No.:
Issue Date:
61 – Cab & Body
SB-14-001
08/25/2014
SERVICE BULLETIN
20. Install the new passenger side cab step
(51083-37064). Install the 8 bolts into the cab
step. Tighten them to the specified torque.
Bolts
Specified Torque: 9.5 lb-ft (13 Nm)
21. Install the new driver’s side cab step (5108437053). Install the 10 bolts into the cab step.
Tighten them to the specified torque.
Specified Torque: 9.5 lb-ft (13 Nm)
Bolts
22. Lower the cab and engage the cab lock.
Cab Lock
Page 11 of 27
Vendor Ref.: HMM-140109-J1
Group:
Bulletin No.:
Issue Date:
61 – Cab & Body
SB-14-001
08/25/2014
SERVICE BULLETIN
23. Install the 6 bolts in the front bumper. Tighten
them to the specified torque.
Specified Torque: 13 lb-ft (18 Nm)
REPAIR PROCEDURE – B:
NOTICE: This procedure only applies to crew cab vehicles built on or before January 18, 2013.
1. Remove the 6 bolts from the front bumper.
Remove the bumper.
NOTICE: Do not discard the bumper or bumper bolts.
They will be reused during the reassembly procedure.
2. Open the driver’s door and remove the 10
bolts from the driver’s side cab step. Remove
and discard the driver’s side cab step.
NOTICE: Do not discard the 10 bolts. They will be
reused during the reassembly procedure.
Bolts
Page 12 of 27
Vendor Ref.: HMM-140109-J1
Group:
Bulletin No.:
Issue Date:
61 – Cab & Body
SB-14-001
08/25/2014
SERVICE BULLETIN
3. Open the passenger door and remove the 8
bolts from the passenger side cab step.
Remove and discard the passenger side cab
step.
Bolts
NOTICE: Do not discard the 8 bolts. They will be
reused during the reassembly procedure.
4. On the driver’s side, locate the flange near the
front of the bottom of the cab. The spot weld
may be broken. Regardless of whether or not
the spot weld is broken, install Vice-Grips to
lock the flange together in preparation for
drilling through the multi-layer steel flange.
Flange
5. While looking under the driver’s side of the cab, mark the 9mm hole to be drilled. The hole should be
18mm (3/4 inch) above the top hole in the lower flange. It should be 2mm to the right of the center of
the 2 holes in the flange (on the edge of the ridge in the flange). See diagram below.
9mm Hole
Page 13 of 27
Hole should
meet edge of
this ridge
Vendor Ref.: HMM-140109-J1
Group:
Bulletin No.:
Issue Date:
61 – Cab & Body
SB-14-001
08/25/2014
SERVICE BULLETIN
WARNING: To avoid personal injury, eye and ear
protection must be worn when drilling under the cab
of the vehicle.
6. Using a 9mm (23/64th) drill bit, drill a hole
through the multi-layer steel flange where the
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