LTB01296NAS3

3/30/2020
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LT B 0 1 2 9 6 N A S 3
TECHNICAL BULLETIN
30 MAR 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 LTB01296NAS2/2019 dated 29 AUG 2019, 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either be destroyed or clearly marked to show it is no longer valid (e.g. with a line across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:
307-01A
S U B J E C T/ C O N C E R N :
8HP70 Automatic Transmission Casing Oil Leak
AFFECTED VEHICLE RANGE:
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MODEL:
MODEL
YEAR:
VIN:
ASSEMBLY
PLANT:
APPLICABILITY:
Discovery 4
/ LR4 (LA)
20152016
731301812783
Solihull
V6 S/C 3.0L Petrol , Vehicles With: 8HP70 8-Speed
Automatic Transmission AWD
Range
Rover (LG)
20152016
197043279179
Solihull
TDV6 3.0L Diesel /V8 S/C 5.0L Petrol, Vehicles
With: 8HP70 8-Speed Automatic Transmission
AWD
Range
Rover Sport
(LW)
20152016
504511577765
Solihull
TDV6 3.0L Diesel /V8 S/C 5.0L Petrol, Vehicles
With: 8HP70 8-Speed Automatic Transmission
AWD
Range
Rover Sport
(LW)
20152016
601763648338
Solihull
TDV6 3.0L Diesel /V8 S/C 5.0L Petrol, Vehicles
With: 8HP70 8-Speed Automatic Transmission
AWD
MARKETS:
NORTH AMERICA
CONDITION SUMMARY:
SITUATION:
Oil leak from underneath the vehicle.
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:
Follow the instructions below.
PA RTS :
PART NUMBER
DESCRIPTION
QUANTITY
LR133314
Automatic transmission insert
1
TYG500130
Bolts - Driveshaft flange
4
TYG500141
Bolts - Driveshaft flange
6
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PART NUMBER
DESCRIPTION
QUANTITY
TYP500180
Bolts - Driveshaft flange
6
IYX500050
Transfer case O-ring
1
LR086041
Seal - Single speed transfer case
1
IZB500030
Seal - Twin speed transfer case
1
LR048842
Washers - Single speed transfer case
2
IYF500030
Washers - Twin speed transfer case
2
LR125418
Devcon putty
1
LR048849
Transmission oil - Single speed transfer case
2
IYK500010
Transmission oil - Twin speed transfer case
2
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.
LR4
DESCRIPTION
SRO
TIME
(HOURS)
CONDITION
CODE
CAUSAL
PART
Automatic transmission insert - V6 S/C 3.0L
petrol - Single Speed transfer case - Install
44.20.89.01
8.9
D1
LR071402
Automatic transmission insert - V6 S/C 3.0L
petrol - Twin Speed transfer case - Install
44.20.89.01
9.2
D1
LR071402
Range Rover
DESCRIPTION
Automatic transmission insert - TDV6 3.0L
diesel - Install
SRO
TIME
(HOURS)
CONDITION
CODE
CAUSAL
PART
44.20.89.01
8.7
D1
LR071402
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DESCRIPTION
SRO
TIME
(HOURS)
CONDITION
CODE
CAUSAL
PART
44.20.89.01
8.7
D1
LR071402
SRO
TIME
(HOURS)
CONDITION
CODE
CAUSAL
PART
Automatic transmission insert - TDV6 3.0L
diesel - Install
44.20.89.01
8.7
D1
LR071402
Automatic transmission insert - V8 5.0L S/C
petrol - Install
44.20.89.01
8.7
D1
LR071402
Automatic transmission insert - V8 5.0L S/C
petrol - Install
Range Rover Sport
DESCRIPTION
NOTE:
Normal Warranty procedures apply.
SERVICE INSPECTION:
1.
Confirm the source of the oil leak using the TOPIx Workshop Manual (see TOPIx
Workshop Manual section 307-01: Diagnosis and Testing - 8HP70 8-Speed
Automatic Transmission AWD - 8-Speed Transmission issues - Oil Leak Detection).
If the source of the oil leak has now been repaired by following
the steps in 307-01: Diagnosis and Testing, do not continue with
this bulletin.
If the source of the oil leak has not been repaired by following the
steps in 307-01: Diagnosis and Testing, continue to the 'Service
Instruction'.
SERVICE INSTRUCTION:
WARNING:
Safety goggles, protective gloves and a mask must be worn when using Devcon
putty.
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1.
Remove the transfer case (see TOPIx Workshop Manual section 308-07: 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.
NOTE:
To assist in completing the repair, watch the video as an example before
continuing with steps 4 to 6 (the video shows the 8HP45 transmission).
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0:00
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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 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.

Use a suitable tool apply a layer of Devcon to the transmission insert.
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6.
CAUTION:
Make sure that all machined faces are free of any contamination, Devcon,
etc. If Devcon contacts the machined faces, it must be cleaned/removed
immediately.

Using a suitable tool install the transmission insert into the area shown and 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 (75°F) for
the initial 45 minutes.
The ambient air temperature must remain above 16°C (61°F) 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: Transfer
Case - Installation - Transfer Case).
9.
Check the transmission fluid level (see TOPIx Workshop Manual section 307-01 General Procedures - Transmission Fluid Level Check).
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