NHTSA ID Number: 10153036
Manufacturer Communication Number: LTB01230NAS1
TSB/Document Date: 2019-02-19
Summary
On vehicles with third row seating, the third row seats may not latch in the upright position.
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LT B 0 1 2 3 0 N A S 1
TECHNICAL BULLETIN
10 DEC 2018
© Jaguar
Land Rover North America, LLC
NOTE: The information in Technical Bulletins is intended for use by trained, professional Technicians
with the knowledge, tools, and equipment required to do the job properly and safely. It informs these
Technicians of conditions that may occur on some vehicles, or provides information that could assist in
proper vehicle service. The procedures should not be performed by 'do-it-yourselfers'. If you are not a
Retailer, do not assume that a condition described affects your vehicle. Contact an authorized Land
Rover service facility to determine whether this bulletin applies to a specific vehicle.
I N F O R M AT I O N
SECTION:
501-10
S U B J E C T/ C O N C E R N :
Third Row Seat(s) Not Latching in the Upright Position
AFFECTED VEHICLE RANGE:
MODEL:
Discovery (LR)
MODEL YEAR:
2017-2018
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VIN:
000004-073436
APPLICABILITY:
Vehicles With: 7 Seats
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MARKETS:
NORTH AMERICA
CONDITION SUMMARY:
SITUATION:
On vehicles with third row seating, the third row seats may not latch in the upright position.
CAUSE:
This may be caused by debris in the latch, preventing its operation.
ACTION:
Should a customer express this concern, refer to the Service Information and then follow the
Workshop Procedure below.
PA RTS :
PART NUMBER
LR123774
DESCRIPTION
Latch assembly kit
QUANTITY
1
TOOLS:
Refer to Workshop Manual for any required special tools.
WARRANT Y:
NOTES:
Repair procedures are under constant review, and therefore times are subject to change;
those quoted here must be taken as guidance only. Always refer to JLR claims submission
system to obtain the latest repair time.
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The JLR Claims Submission System requires the use of causal part numbers. Labor only claims
must show the causal part number with a quantity of zero.
DESCRIPTION
SRO
Third row seat - Latch assembly kit - Install
78.85.89.76
TIME (HOURS)
CONDITION CODE
CAUSAL PART
0.6
42
LR123774
NOTE:
Normal Warranty procedures apply.
S E R V I C E I N F O R M AT I O N :
1
Component overview:
1 Boss
2 Free play spring
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3 Free play cam
4 Crash lock
5 Bowden cable
6 Crash lock spring
7 Fastener
WORKSHOP PROCEDURE:
1
Remove the load space interior trim panel.
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Remove the load space tool kit and housing.
3
NOTE:
For electric seats only: If the latch is in a failed state the seat will not latch into its
upright position. To retain the seat in its upright position, deploy the seat and manually
hold the seat backrest in its most upright position which will induce a none fail state and
allow the seat to remain in this position.
Put the third row left and right seats into the upright position.
4
CAUTION:
When the seat base cushions have been removed, take care to protect the third row
seat backrest trims when maneuvering the seat backrests.
Remove left and right seat base cushions (see TOPIx Workshop Manual section 501-10:
Seating - Removal and Installation - Third Row Seat Cushion Cover - Steps 1-2 only).
5
Remove third row left and right seat backrest covers (see TOPIx Workshop Manual section
501-10: Seating - Removal and installation - Third Row Seat Backrest Cover - Steps 1-4 only).
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6
NOTE:
Do not attempt to fully remove the trim at this point.
Release the trim tab only.
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Release both sides of the seatbelt trim cowl.
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Remove the seatbelt trim.
Perform Steps 9-28 on third row left and right seats.
9
NOTE:
Do not fully remove.
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Unclip the backrest seat trim for access only.
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Remove the securing trim clip.
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Remove the retaining screw and remove the trim.
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Rotate the crash lock cam and release the Bowden cable.
13
CAUTION:
Do not remove the Bowden cable from the bracket.
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Remove the Bowden cable bracket securing bolt(s).
14
NOTE:
The Bowden cable bracket is held under tension by the free play cam spring.
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Compress the free play spring to allow movement of the bracket to allow access to the crash
lock securing bolt(s).
15
CAUTION:
Identify the type of crash lock securing bolt(s) used.
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Identify the type of crash lock securing bolt(s) used:
(1) - Right-hand thread: large flat flange around the head of the bolt(s)
(2) - Left-hand thread: small flange around the head of the bolt(s)
16
NOTE:
Note the orientation of the components.
Remove and discard the crash lock.
17
Remove and discard the crash lock spring.
18
Remove and discard the free play cam.
19
Remove and discard the free play cam spring.
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Clean the area highlighted using ONLY the Scotch-Brite™ supplied within the kit.
21
NOTE:
Note the installed position shown above. Make sure the free play cam spring is seated
on the boss.
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Install a new free play cam spring.
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Install a new free play cam.
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Attach a new crash lock spring to the crash lock and Bowden cable bracket.
24
CAUTION:
Make sure the free play cam and spring are seated correctly before tightening the
retaining bolt(s).
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Install a new crash lock and a new retaining bolt(s).
Torque: 25 Nm
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Use a new Bowden cable bracket bolt(s) to install the Bowden cable bracket and attach the
Bowden cable to the crash lock.
Torque: 10 Nm
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Install the trim piece and retaining screw.
Torque: 1.5 Nm
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Install the seat trim.
28
Verify correct third row seat operation.
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Install the seatbelt trim piece and cowl.
30
Install the seat base cushions (see TOPIx Workshop manual section 501-10: Seating - Removal
and Installation - Third Row Seat Cushion Cover).
31
Install the back rest trim (see TOPIx Workshop Manual section 501-10: Seating - Removal and
installation - Third Row Seat Backrest Cover).
32
Install the load space tool kit and housing.
33
Install the load space interior trim.
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TSB/Document ID: LTB01230NAS1
Replacement Service Bulletin Number:
MFR Communication Date: 2018-12-10
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SEATS
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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