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NHTSA ID Number: 10189736

Manufacturer Communication Number: JLRTB02059NAS2

TSB/Document Date: 2021-04-02


Summary

Incorrect Operation of Climate Control Air Distribution


3/25/2021

TECHNICAL BULLETIN

JLRTB02059NAS2

TECHNICAL BULLETIN
25 MAR 2021

© JaguareBay logo Land RovereBay logo 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 RovereBay logo service facility to
determine whether this bulletin applies to a specific vehicle.
INFORMATION

This reissue replaces all previous versions. Please destroy all previous versions.
This bulletin supersedes TSB JLRTB02059NAS1/2020 dated 04 DEC 2020, 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either be destroyed or clearly marked to show it is no longer valid (e.g. with a line across the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:

412-01A
SUBJECT/CONCERN:

Incorrect Operation of Climate Control Air Distribution
AFFECTED VEHICLE RANGE:

MODEL:
Discovery (LR)

MODEL YEAR:
2020-2021

VIN:
413208-452536

https://www.odyssey.jlrint.com/odyssey/WorkflowHtmlComposition.do?wid=1616167262528

ASSEMBLY PLANT:
Nitra (Slovakia)
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TECHNICAL BULLETIN

MODEL:
Defender (LE)

MODEL YEAR:

VIN:

2020-2021

000252-055293

ASSEMBLY PLANT:
Nitra (Slovakia)

MARKETS:

NORTH AMERICA
CONDITION SUMMARY:

NOTE:
Airflow through the windshield demist vents is not affected by this concern.

SITUATION:
The customer may experience one or both of the following symptoms:
• No airflow through the front face vents when set to 'face' only but airflow operates
correctly when set to 'face and feet'.
• Airflow to feet is always present.
These symptoms may be experienced on the le or the right sides individually but also both
sides at the same time.

CAUSE:
The airflow distribution doors have become locked. In some cases, the foam seals on the
back of the distribution doors have become detached and trapped the doors.

ACTION:
Follow the instructions below.
PARTS:

PART NUMBER

DESCRIPTION

QUANTITY

Discovery vehicles with full Thin Film Transistor (TFT) Instrument Panel Cluster (IPC) only
LR007641

Retainer

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2
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TECHNICAL BULLETIN

PART NUMBER

DESCRIPTION

QUANTITY

Discovery vehicles with partial TFT IPC only
LR059799

Retainer

2

Adhesive foam pad

2

All vehicles
LR149627

WARRANTY:

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.
SRO

TIME
(HOURS)

CONDITION
CODE

CAUSAL
PART

Discovery - JLRTB - Install adhesive
foam pad

99.01.32

1.3

HN

LR149627

Defender - JLRTB - Install adhesive
foam pad

99.01.32

0.9

HN

LR149627

DESCRIPTION

NOTE:
Normal Warranty procedures apply.
SERVICE INSTRUCTION:

NOTES:
This procedure contains some variation in the illustrations depending on the
vehicle specification, but the essential information is always correct.
This procedure contains illustrations showing certain components removed to
provide extra clarity.
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TECHNICAL BULLETIN

All Vehicles
1.

Make sure the front airflow distribution is set to 'face' before continuing to the next
step.

2.

Disconnect the startup battery ground terminal (see TOPIx Workshop Manual
section 414-00: Battery and Charging System - General Information - General
Procedures).

3.

Remove the instrument panel lower trim for access (see TOPIx Workshop Manual
section 501-12: Instrument Panel and Console - Removal and Installation Instrument Panel Lower Trim).

Discovery Vehicles Only
4.

Remove the lower glovebox for access (see TOPIx Workshop Manual section 50112: Instrument Panel and Console - Removal and Installation - Lower Glovebox).

Defender Vehicles Only
5.

Remove the glovebox for access (see TOPIx Workshop Manual section 501-12:
Instrument Panel and Console - Removal and Installation - Glovebox).

All Vehicles

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4/10

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TECHNICAL BULLETIN

6.

Remove the le footwell air duct.
Disconnect the electrical connector.
Remove the screw.
7.

Remove the right footwell air duct.
Disconnect the electrical connector.
Remove the 2 screws.

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TECHNICAL BULLETIN

8.

Remove and discard any adhesive foam pads that have detached from the le and
right distribution doors.
9.

The illustration shows a distribution door in the 'closed/up' position. If a distribution
door is in the 'open/down' position, carefully manually close the distribution door.

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TECHNICAL BULLETIN

10.

Remove the protective backing from 1 adhesive foam pad.

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TECHNICAL BULLETIN

11.

NOTE:
Make sure the adhesive side of the foam pad is pointing down

Install the adhesive foam pad into the le foot duct outlet.
1. Fully insert the adhesive foam pad until it is flush with the outside edge of the
duct outlet.
2. Align the edge of the adhesive foam pad with the edge of the duct outlet.
3. Apply firm pressure across the whole adhesive foam pad to secure it to the
bottom of the duct outlet.

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TECHNICAL BULLETIN

12.

Remove the protective backing from the other adhesive foam pad.

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TECHNICAL BULLETIN

13.

NOTE:
Make sure the adhesive side of the foam pad is pointing down

Install the adhesive foam pad into the right foot duct outlet.
1. Fully insert the adhesive foam pad until it is flush with the outside edge of the
duct outlet.
2. Align the edge of the adhesive foam pad with the edge of the duct outlet.
3. Apply firm pressure across the whole adhesive foam pad to secure it to the
bottom of the duct outlet.
14.

To install, reverse steps 2 to 7.

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1

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TSB/Document ID: JLRTB02059NAS2

Replacement Service Bulletin Number:

MFR Communication Date: 2021-03-25

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: EQUIPMENT

MFR Component System:

MFR Component Subsystem:


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