NHTSA ID Number: 10180870
Manufacturer Communication Number: LTB01255NAS2
TSB/Document Date: 2020-10-07
Summary
Oil Leak From Transmission Case
9/4/2020
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LT B 0 1 2 5 5 N A S 2
TECHNICAL BULLETIN
04 SEP 2020
© 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
This reissue replaces all previous versions. Please destroy all previous versions.
This bulletin supersedes TSB LTB01255NAS1/2018 dated 15 NOV 2018, which should
either be destroyed or clearly marked to show it is no longer valid (e.g. with a line across
the page). Only refer to the electronic version of this Technical Bulletin in TOPIx.
Changes are highlighted in blue
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:
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MODEL:
MODEL
YEAR:
VIN:
APPLICABILITY:
Discovery
(LR)
20172018
000003079194
V6 S/C 3.0L Petrol , Vehicles With: 8HP45 8-Speed Automatic
Transmission AWD
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 automatic transmission case may be evident.
CAUSE:
Internal porosity in the automatic transmission, allowing oil to leak between the automatic
transmission and the transfer case.
ACTION:
Follow the instructions below.
PA RTS :
PART NUMBER
DESCRIPTION
QUANTITY
LR123853
Automatic transmission insert
1
TYG500130
Bolts - Driveshaft flange
4
LR092696
Bolts - Driveshaft flange
6
TYG500141
Bolts - Driveshaft flange
6
IYX500050
Seals - Transfer case
1
LR048842
Washers - Single speed transfer case
2
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PART NUMBER
DESCRIPTION
QUANTITY
IYF500030
Washers - Twin speed transfer case
2
LR048849
Oil - Single speed transfer case
2
IYK500010
Oil - Twin speed transfer case
2
LR125418
Devcon putty
1
ZZZ001
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. Use TOPIx 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
44.20.89.01
9.4
D1
LR082674
Automatic transmission insert - With Twin speed
transfer case - Install - Discovery
44.20.89.01
9.3
D1
LR082674
Automatic transmission insert - Install - Range
Rover Sport
44.20.89.01
9.0
D1
LR082674
Automatic transmission insert - Install - Range
Rover
44.20.89.01
9.0
D1
LR082674
NOTE:
Normal Warranty procedures apply.
S E R V I C E I N F O R M AT I O N :
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1.
This technical bulletin only applies to vehicles installed with the 8HP45 8-speed
All Wheel Drive (AWD) automatic transmission, with oil diagnosed to be leaking
from the cavity highlighted in the illustration.
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2.
0:00
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This demonstration video shows how to repair the automatic transmission using
the correct repair method. You MUST watch the video and understand how to
perform the correct repair method before continuing to the 'Service Instruction'
section.
SERVICE INSTRUCTION:
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 307-07: 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.
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3.
Use a suitable solvent-based cleaning fluid to thoroughly clean the highlighted
area of the transmission.
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4.
CAUTION:
The highlighted area of the transmission must be free of all oil and
contamination before proceeding.
NOTES:
Devcon putty 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.
Apply an even layer of Devcon putty to the highlighted area of the transmission.
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5.
CAUTION:
The transmission insert must be installed to at least 9 mm below the outer
edge of the transmission housing.
Use a suitable tool to push the transmission insert into the area shown.
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6.
CAUTION:
Make sure that all machined faces are free of any contamination, Devcon,
etc.
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 75°F (24°C) for the
initial 45 minutes.
The ambient air temperature must remain above 60°F (16°C) for the
remaining 7 hours, 15 minutes.
Refer to the manufacturer's instructions for more information.
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8.
NOTE:
Do not install the transmission undershield until the transmission oil level is
checked in step 9.
Install the transfer case (see TOPIx Workshop Manual section 308-07: Manual
Transmission/Transaxle, Clutch and Transfer Case - Installation - Transfer Case).
9.
Check the transmission fluid level (see TOPIx Workshop Manual section 307-01B:
Automatic Transmission/Transaxle - Vehicles with: 8HP45 8-Speed Automatic
Transmission - General Procedures - Transmission Fluid Level Check).
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TSB/Document ID: LTB01255NAS2
Replacement Service Bulletin Number:
MFR Communication Date: 2020-09-04
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
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