JLRTB02027NAS1

Service Bulletin Details

Public Details for: JLRTB02027NAS1

A 'coolant level low' message may be displayed on the instrument panel cluster (ipc)and/or a fluid leak is visible under the vehicle.

- 2020 - 2019 - 2018 - 2017 -

Models from 2020

2020 JAGUAR F-PACE

2020 LAND ROVER RANGE ROVER VELAR

Models from 2019

2019 JAGUAR F-PACE

2019 LAND ROVER RANGE ROVER VELAR

Models from 2018

2018 JAGUAR F-PACE

2018 LAND ROVER RANGE ROVER VELAR

Models from 2017

2017 JAGUAR F-PACE

1/18/2021
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JLRTB02027NAS1
TECHNICAL BULLETIN
18 JAN 2021
© 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.
INFORMATION
SECTION:
303-03A
SUBJECT/CONCERN:
'Coolant Level Low' Message Displayed On The Instrument Panel Cluster (IPC)
AFFECTED VEHICLE RANGE:
MODEL:
MODEL YEAR:
VIN:
ASSEMBLY PLANT:
Range Rover Velar (LY)
2018
700000-778647
Solihull
Range Rover Velar (LY)
2019
739707-799998
Solihull
Range Rover Velar (LY)
2020
217285-289848
Solihull
F-PACE (X761)
2017
045000-045118
Solihull
F-PACE (X761)
2017-2020
100000-661227
Solihull
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MARKETS:
NORTH AMERICA
CONDITION SUMMARY:
SITUATION:
A 'Coolant Level Low' message may be displayed on the Instrument Panel Cluster (IPC)
and/or a ﬂuid leak is visible under the vehicle.
CAUSE:
Flexing of the auxiliary radiator assembly within the mounting structure is causing cracking,
resulting in an engine coolant leak.
ACTION:
Follow the instruction(s) below.
PARTS:
PART NUMBER
DESCRIPTION
QUANTITY
F-PACE only
T4A37970
Auxiliary radiator assembly - Right
1
T4A37971
Auxiliary radiator assembly - Le - If applicable
1
JLM209722
Engine coolant - 1 liter(s)
1
LR140294
Auxiliary radiator assembly - Right
1
LR140296
Auxiliary radiator assembly - Le - If applicable
1
STC50529
Engine coolant - 1 liter(s)
1
LR137976
Auxiliary radiator duct - Right
1
LR137977
Auxiliary radiator duct - Le
1
Range Rover Velar only
WARRANTY:
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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.
F-PACE
SRO
TIME
(HOURS)
CONDITION
CODE
CAUSAL
PART
Cooling system - Pressure test
26.10.07
0.2
01
T4A1806
Auxiliary radiator duct - Single - Modiﬁcation
99.01.07
0.2
01
T4A1806
Auxiliary radiator duct - Pair - Modiﬁcation
99.01.08
0.4
01
T4A1806
Ingenium I4 2.0L Diesel, GTDi 2.0L Petrol, V6 3.0L
S/C Petrol and V8 5.0L S/C Petrol - Auxiliary
radiator - Right - Renew
26.40.18
1.2
01
T4A1806
Ingenium I4 2.0L Diesel, GTDi 2.0L Petrol, V6 3.0L
S/C Petrol and V8 5.0L S/C Petrol - Auxiliary
radiator - Vehicle Pair - Renew
26.40.21
1.5
01
T4A1806
Ingenium I4 2.0L Petrol and TDV6 3.0L Diesel Auxiliary radiator - Right - Renew
26.40.18
1.3
01
T4A1806
Ingenium I4 2.0L Petrol and TDV6 3.0L Diesel Auxiliary radiator - Vehicle Pair - Renew
26.40.21
1.6
01
T4A1806
DESCRIPTION
Range Rover Velar
SRO
TIME
(HOURS)
CONDITION
CODE
CAUSAL
PART
Cooling system - Pressure test
26.10.07
0.2
01
LR092120
Auxiliary radiator duct - Single - Renew
99.02.20
0.1
01
LR092120
Auxiliary radiator duct - Pair - Renew
99.02.21
0.1
01
LR092120
Ingenium I4 2.0L Diesel, Ingenium I4 2.0L Petrol Auxiliary radiator - Right - Renew
26.40.09
1.3
01
LR092120
Ingenium I4 2.0L Diesel, Ingenium I4 2.0L Petrol Auxiliary radiator - Vehicle Pair - Renew
26.40.22
1.6
01
LR092120
V6 3.0L S/C Petrol, TDV6 3.0L Diesel and V8 5.0L
S/C Petrol - Auxiliary radiator - Right - Renew
26.40.09
1.2
01
LR092120
DESCRIPTION
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SRO
TIME
(HOURS)
CONDITION
CODE
CAUSAL
PART
V6 3.0L S/C Petrol and TDV6 3.0L Diesel Auxiliary radiator - Vehicle Pair - Renew
26.40.22
1.5
01
LR092120
V8 5.0L S/C Petrol - Auxiliary radiator - Vehicle
Pair - Renew
26.40.22
1.9
01
LR092120
DESCRIPTION
NOTE:
Normal Warranty procedures apply.
SERVICE INSTRUCTION 1
ALL VEHICLES
1.
CAUTION:
Wait until the engine has cooled before removing the engine coolant
expansion tank pressure cap.
Complete an engine cooling system pressure test, (see TOPIx workshop manual
section 303-03: General Procedures - Cooling System Pressure Test).
If engine coolant can be seen leaking from the auxiliary radiator(s) area,
continue to service instruction 2 below.
If engine coolant cannot be seen leaking from the auxiliary radiator(s)
area, do not continue with this technical bulletin. Continue to diagnose
the concern, (see TOPIx workshop manual section 303-03: Diagnosis
and Testing - Engine cooling).
SERVICE INSTRUCTION 2
F-PACE VEHICLES
NOTES:
Illustrations may vary but the essential information is always correct.
Some components may be removed from the vehicle to provide extra clarity.
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1.
NOTE:
Repeat this step to the other side of the vehicle, if required.
Remove and discard the auxiliary radiator, (see TOPIx workshop manual section
303-03: Removal and Installation - Auxiliary Radiator).
2.
NOTE:
Repeat this step to the other side of the vehicle, if required.

Remove the auxiliary radiator duct.
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3.
NOTE:
Repeat this step to the other side of the vehicle, if required.

Modify the auxiliary radiator duct using the measurements illustrated as a guide.
Step 4 shows a 'before' image and an 'a er' to also be referenced.
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4.

The illustration marked 'A' shows an image of the auxiliary radiator duct before
completing the modiﬁcation in step 3.
The illustration marked 'B' shows an image of the auxiliary radiator duct
a er completing the modiﬁcation in step 3.
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5.
NOTE:
Repeat this step to the other side of the vehicle, if required.

Modify the auxiliary radiator duct using the measurement illustrated as a guide.
Step 6 shows a 'before' image and an 'a er' to also be referenced.
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6.

The illustration marked 'A' shows an image of the auxiliary radiator duct before
completing the modiﬁcation in step 5.
The illustration marked 'B' shows an image of the auxiliary radiator duct
a er completing the modiﬁcation in step 5.
7.
NOTE:
Repeat this step to the other side of the vehicle, if required.

Modify the auxiliary radiator duct using the measurements illustrated as a guide.
Step 8 shows a 'before' image and an 'a er' to also be referenced.
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8.

The illustration marked 'A' shows an image of the auxiliary radiator duct before
completing the modiﬁcation in step 7.
The illustration marked 'B' shows an image of the auxiliary radiator duct
a er completing the modiﬁcation in step 7.
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9.
NOTE:
Repeat this step to the other side of the vehicle, if required.

Install the modiﬁed auxiliary radiator duct.
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10.
NOTE:
Repeat this step to the other side of the vehicle, if required.

Install the new auxiliary radiator, making sure the 3 clips are correctly installed.
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11.
NOTE:
Repeat this step to the other side of the vehicle, if required.

Install the new auxiliary radiator ﬁxings.
Torque: 7 Nm
12.
See TOPIx workshop manual section 303-03: Engine Cooling - Removal and
Installation - Auxiliary Radiator. Complete all installation steps, as required.
SERVICE INSTRUCTION 2
RANGE ROVER VELAR VEHICLES
1.
NOTE:
Repeat this step to the other side of the vehicle, if required.
Remove and discard the auxiliary radiator, (see TOPIx workshop manual section
303-03: Removal and Installation - Auxiliary Radiator).
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2.
NOTE:
Repeat this step to the other side of the vehicle, if required.

Remove and discard the auxiliary radiator duct.
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3.
NOTE:
Repeat this step to the other side of the vehicle, if required.

Install the new auxiliary radiator duct.
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4.
NOTE:
Repeat this step to the other side of the vehicle, if required.

Install the new auxiliary radiator, making sure the 3 clips are correctly installed.
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5.
NOTE:
Repeat this step to the other side of the vehicle, if required.

Install the new auxiliary radiator ﬁxings.
Torque: 7 Nm
6.
See TOPIx workshop manual section 303-03: Engine Cooling - Removal and
Installation - Auxiliary Radiator. Complete all installation steps, as required.
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