9/19/2018

LTB01140NAS3 - Boom Noise Heard In The Passenger Compartment | TOPIx

LT B 0 1 1 4 0 N A S 3

TECHNICAL BULLETIN
17 SEP 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

Changes are highlighted in blue

SECTION:
204-00

S U B J E C T/ C O N C E R N :
Boom Noise Heard In The Passenger Compartment

AFFECTED VEHICLE RANGE:
MODEL:
Range Rover Velar (LY)

MODEL YEAR:
2018 Onwards

VIN:
700125 Onwards

MARKETS:
NORTH AMERICA

CONDITION SUMMARY:

SITUATION:
A boom noise may be heard in the passenger compartment when the vehicle is in motion.
CAUSE:
This may be caused by one or more of the following:
• Incorrect rear subframe alignment;
• Missing foam inserts in the tailgate seal;
• Incorrect alignment of the tailgate; and/or
https://topix.landrover.jlrext.com/topix/content/document/view?id=927062

1/19

9/19/2018

LTB01140NAS3 - Boom Noise Heard In The Passenger Compartment | TOPIx

• Incorrect alignment of the exhaust system.
ACTION:
Should a customer express this concern, follow the appropriate Workshop Procedures below.

PA RTS :
PART NUMBER

DESCRIPTION

QUANTITY

LR083054

Subframe bolts

4

LR092606

Tailgate seal

1 (only if necessary)

TOOLS:
Refer to Workshop Manual for any required special tools.

WARRANT Y:

NOTE:
The tailgate may also be referred to as liftgate.

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

Rear suspension NVH - Rectification

64.90.89.35

1.9

12

LR090451

Weatherstrip - Tailgate/tail door - Opening - Complete - Renew

76.40.10

0.1

12

LR090451

Striker - Liftgate - Adjust

76.37.28

0.2

12

LR090451

Exhaust alignment - Ingenium I4 2.0L Diesel; Ingenium I4 2.0L Petrol

30.10.89.03

0.4

12

LR090451

Exhaust alignment - V6 3.0L S/C Petrol

30.10.89.03

1.1

12

LR090451

Road test

02.02.10

0.2

12

LR090451

NOTE:
Normal Warranty procedures apply.

WORKSHOP PROCEDURE 'A':

NOTES:
Removal steps in this procedure may contain installation details.
Some variation in the illustrations may occur but the essential information is always correct.
Rear wheel and tire assemblies shown removed for clarity.
https://topix.landrover.jlrext.com/topix/content/document/view?id=927062

2/19

9/19/2018
1

2

LTB01140NAS3 - Boom Noise Heard In The Passenger Compartment | TOPIx

Raise and support the vehicle (see TOPIx Workshop Manual section 100-02: Jacking and lifting).



Remove the left and right undershields.
3



Support the rear subframe assembly with a suitable transmission jack.
1 Remove and discard the 4 subframe retaining bolts.

https://topix.landrover.jlrext.com/topix/content/document/view?id=927062

3/19

9/19/2018
4

LTB01140NAS3 - Boom Noise Heard In The Passenger Compartment | TOPIx



Loosen (only) the subframe support plate retaining bolts (6) and nuts (4).
5



Release the transmission jack and allow the subframe to relax.

https://topix.landrover.jlrext.com/topix/content/document/view?id=927062

4/19

9/19/2018
6

LTB01140NAS3 - Boom Noise Heard In The Passenger Compartment | TOPIx



Use the transmission jack to raise the subframe into the correct position.
7



Install the 4 new subframe retaining bolts but do not tighten fully at this time.
8

NOTE:
Do not remove the alignment equipment until Step 10.
Complete a 4-wheel alignment inspection/adjustment (see TOPIx Workshop Manual section 204-00: Suspension System - General Information General Procedures - Four wheel alignment).

https://topix.landrover.jlrext.com/topix/content/document/view?id=927062

5/19

9/19/2018
9

LTB01140NAS3 - Boom Noise Heard In The Passenger Compartment | TOPIx



Tighten the subframe retaining bolts.
Torque: 170 Nm.
10



Tighten the subframe support plate retaining bolts (6) and nuts (4).
Torque:
M8 - 25 Nm.
M10 - 60 Nm.
1 Verify alignment settings have not changed.
2 Remove the alignment equipment.

https://topix.landrover.jlrext.com/topix/content/document/view?id=927062

6/19

9/19/2018
11

LTB01140NAS3 - Boom Noise Heard In The Passenger Compartment | TOPIx



Install the left and right undershields.
12

Lower the vehicle.

13

Go to Workshop Procedure 'B'.

WORKSHOP PROCEDURE 'B':

1



Squeeze the tailgate seal for a foam insert in the highlighted area.
If the foam insert is present, go to Workshop Procedure 'C'.
If the foam insert is NOT present, go to Step 2 .

https://topix.landrover.jlrext.com/topix/content/document/view?id=927062

7/19

9/19/2018
2

LTB01140NAS3 - Boom Noise Heard In The Passenger Compartment | TOPIx



Replace the tailgate seal.
3

Go to Workshop Procedure 'C'.

W O R K S H O P P R O C E D U R E ' C ' : TA I L G AT E A L I G N M E N T

1

CAUTION:
Make sure the vehicle paintwork is not damaged when taking this measurement.

NOTES:
Right shown; left similar.
This Step must be performed to both sides of the vehicle/tailgate.

