LTB01255NAS1

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LTB01255NAS1 - Oil Leak From Transmission Case | TOPIx
LT B 0 1 2 5 5 N A S 1
TECHNICAL BULLETIN
15 NOV 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:
307-00
S U B J E C T/ C O N C E R N :
Oil Leak From Transmission Case
AFFECTED VEHICLE RANGE:
MODEL:
Discovery (LR)
MODEL
YEAR:
20172018
VIN:
000007079570
APPLICABILITY:
V6 S/C 3.0L Petrol , Vehicles With: 8HP45 8-Speed Automatic Transmission
AWD
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MODEL:
LTB01255NAS1 - Oil Leak From Transmission Case | TOPIx
MODEL
YEAR:
VIN:
APPLICABILITY:
Range Rover
Sport (LW)
20172018
124034813922
V6 S/C 3.0L Petrol , Vehicles With: 8HP45 8-Speed Automatic Transmission
AWD
Range Rover
(LG)
20172018
320324516165
V6 S/C 3.0L Petrol , Vehicles With: 8HP45 8-Speed Automatic Transmission
AWD, Vehicles With: Twin Speed Transfer Case
MARKETS:
NORTH AMERICA
CONDITION SUMMARY:
SITUATION:
An oil leak from the transmission case may be evident.
CAUSE:
This may be caused by internal porosity in the automatic transmission, allowing oil to leak between the
automatic transmission and the transfer case.
ACTION:
Should a customer express this concern, follow the Workshop Procedure below.
PA RTS :
PART NUMBER
DESCRIPTION
QUANTITY
LR123853
Automatic transmission insert
1
TYG500130
Bolt(s) - Driveshaft flange
4
LR092696
Bolt(s) - Driveshaft flange
6
TYG500141
Bolt(s) - Driveshaft flange
6
IYX500050
Seal(s) - Transfer case
1
LR048842
Washer(s) - Single speed transfer case
2
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PART NUMBER
DESCRIPTION
QUANTITY
IYF500030
Washer(s) - Twin speed transfer case
2
LR048849
Oil - Single speed transfer case
2
IYK500010
Oil - Twin speed transfer case
2
LR125418
Devcon putty
1
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.
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
TIME
(HOURS)
CONDITION
CODE
CAUSAL
PART
Automatic transmission insert - With Single speed transfer
case - Install - Discovery (L462)
44.20.89.01
9.4
D1
LR082674
Automatic transmission insert - With Twin speed transfer case
- Install - Discovery (L462)
44.20.89.01
9.3
D1
LR082674
Automatic transmission insert - Install - Range Rover Sport
(L494)
44.20.89.01
9.0
D1
LR082674
Automatic transmission insert - Install - Range Rover (L405)
44.20.89.01
9.0
D1
LR082674
NOTE:
Normal Warranty procedures apply.
SERVICE INSTRUCTION:
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WARNING:
Safety goggles and protective gloves and mask must be worn when using Devcon putty.
1
Remove the transfer case (see TOPIx Workshop Manual section 308-07: Manual
Transmission/Transaxle, Clutch and Transfer Case -- Removal -- Transfer Case).
2
NOTE:
Make sure the Devcon putty does not come into contact with the transmission output
shaft.

Apply suitable protective tape to the highlighted area of the transmission.
3
NOTES:
To assist in carrying out the repair in the correct method, watch the video before
completing Steps 4-6.
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This video can only be viewed in Internet Explorer.

Use a suitable solvent-based cleaning fluid to thoroughly clean the highlighted area of the
transmission.
4
CAUTION:
The highlighted area of the transmission must be free of all oil and contamination
before proceeding.
NOTES:
Devcon putting mix ratio: 4 parts resin / 1 part hardener. Refer to the manufacturer's
instructions for more information.
Make sure that the highlighted area of the transmission is fully covered by a layer of
Devcon putty.
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
Apply an even layer of Devcon putty to the highlighted area of the transmission.
5
CAUTION:
The transmission insert must be installed to at least 9 mm below the outer edge of the
transmission housing.
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
Use a suitable tool to push the transmission insert into the area shown.
6
CAUTION:
Make sure that all machined faces are free of any contamination, Devcon, etc.
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
Apply an even layer of Devcon putty to the transmission insert until it is completely filled and
covered.
7
Allow the Devcon putty to completely cure:
The transfer case must be left for at least 8 hours before installation.
The ambient air temperature must remain above 24°C for the initial 45 minutes.
The ambient air temperature must remain above 16°C for the remaining 7 hours,
15 minutes.
Refer to the manufacturer's instructions for more information.
8
Install the transfer case (see TOPIx Workshop Manual section 308-07: Manual
Transmission/Transaxle, Clutch and Transfer Case -- Installation -- Transfer Case).
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