RA-03-1926 – Oil Cooler Hoses – 2023-2024 Aston Martin DBX707

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ASTON MARTIN AFTERSALES
05 April, 2024 Page 1 of 2
RECALL ACTION
Reference number:
RA-03-1926
Issued: 05 April, 2024
Subject:
Oil Cooler Hoses
Model(s):
DBX707
VIN range:
Refer to the separately published list of Vehicle Identification Numbers (VINs)
Applicable to:
All Dealers
Distribute to:
Head of Business
After Sales Manager
Service Manager
Sales Manager
Warranty Staff
Technician(s)
Parts Staff
Attached Documents:
• Copy of the Owner Notification letter for vehicles in RA-03-1926
• Copy of the Change of Keeper or Address form
Reason for this Recall Action
Aston Martin has determined that a defect which relates to motor vehicle safety may exist on a number of DBX707 vehicles built between October 2022 and April 2023.
On the affected vehicles it is necessary to replace the oil cooler hoses.
To correct this problem, do the Workshop Procedure given in this document to replace the oil cooler hoses.
The full list of VINs for the affected vehicles are attached to this Recall Action document.
PLEASE DO A CHECK OF ALL VEHICLES THAT ARE IN THE AFFECTED VIN LIST
Communications
The customer letter and the “Change of Keeper or Address” form are uploaded to Technical Hub.
When the Owner calls to make an appointment, briefly describe the repair which will be done to the Owner’s vehicle and fully explain the reason for this work. Tell the owner that the repair will be done at no cost to them.
RECALL ACTION RA-03-1926
05 April, 2024 Page 2 of 2
Workshop Procedure
1.
Replace the oil cooler hoses set (refer to Workshop Manual Procedure 03.03.DH).
Part Data
Description
Part Number
Quantity
Hose Assembly- Oil Cooler Outlet
PY83-6B748-CB
1
Hose Assembly- Oil Cooler Inlet
PY83-6B747-CB
1
Procedure and Labour Time
Description
Labour Time
Replace oil cooler hoses
1.7 Hours
Note: Parts for this campaign are not available until 22nd April 2024. Please do not book any vehicle for repair until after this date.
The claiming conditions and outstanding vehicle campaign flags will be available in the warranty system and Technical Hub from 22nd April.
To contact Aston Martin for further information about this document, please refer to the “Contact Us” page in Technical Hub.
Copy of the Owner Notification Letter
RA-03-1926 Customer Letter _FED – Copy Page 1 of 3
[Date DD Month, YYYY]
[Customer Name]
[Customer Address 1]
[Customer Address 2]
[Customer City/County]
[Customer Country]
IMPORTANT SAFETY RECALL NOTICE
NHTSA Recall [NHTSA Ref]
This notice applies to your vehicle: [INSERT VIN]
Dear [Customer]
Aston Martin has decided that a defect which relates to motor vehicle safety may exist in certain DBX vehicles that were manufactured from May 2020 through September 2023.
Aston Martin has not received any report of an accident or injury caused by either defect. As a precaution, however, we ask that you contact your dealer for assistance with these important safety actions.
Safety Recall Actions:
• RA-63-1832 – DBX 12V PSS Battery Fusebox
• RA-03-1926 – DBX707 Oil Cooler Hoses
This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act.
Copy of the Owner Notification Letter
RA-03-1926 Customer Letter _FED – Copy Page 2 of 3
REASON FOR THESE RECALL ACTIONS
RA-63-1832 – DBX 12V Battery Fusebox
On the affected vehicles, it is possible that the fixings for the fuse box cables are not correctly torqued.
This could cause the cables to become loose, and (if undetected) could cause the vehicle to lose electrical power or heat damage to the fuse box. Loss of electrical power could result in the engine stalling or loss of headlights, power assisted steering, or other vehicle functions. These could increase the risk of crash. Heat damage to the fuse box could cause smoke in the boot or an unpleasant odour.
A loose fuse box cable may cause a battery warning light to display on the instrument cluster.
The repair, if needed, involves simple fast replacement of a new washer, split washer, and flat nut to each affected stud in the fuse box.
The models affected are:
• 2020 – 2023 DBX
• 2022 – 2023 DBX707
RA-03-1926 – DBX707 Oil Cooler Hoses
On affected vehicles, certain oil hoses for the oil cooler exhibit pit and pin marks that identify parts that may be prone to burst with a resulting loss of oil and oil pressure. Sudden and rapid loss of oil and oil pressure could lead to the engine stalling or seizing which could increase the risk of crash or fire (in the presence of an ignition source). Before failing, the oil level and pressure warnings may be displayed in the instrument cluster. After failing, the driver may see smoke from the engine area.
The repair involves the quick and simple replacement of the oil hoses for the oil cooler.
The models affected are:
• 2022 – 2023 DBX707
Copy of the Owner Notification Letter
RA-03-1926 Customer Letter _FED – Copy Page 3 of 3
WHAT WE WILL DO
Aston Martin will inspect and if necessary, replace the affected parts for the 12V battery fuse box.
Aston Martin will also replace the affected hoses for the oil cooler.
These actions will be done at no cost to yourself.
WHAT YOU SHOULD DO
Please contact your Aston Martin dealer as soon as possible to arrange a date for the repair. They will be able to fully explain why this Recall Action is necessary. Instructions for making this correction have been sent to your dealer. The labor time necessary to complete these service corrections is a maximum of three hours. Please ask your dealer if you wish to know how much additional time will be needed to schedule and process your vehicle.
Your Aston Martin dealer is best equipped to obtain parts and provide the service to make sure that your vehicle is corrected as promptly as possible. If, however you take your vehicle to your dealer on the agreed service date and they do not remedy this condition on that date, or within three days, we recommend that you contact Aston Martin Customer Service by calling 1-886-276-6661.
If after contacting your dealer and Aston Martin Customer Services, you are still not able to have the safety defect remedied without charge and within a reasonable time, you may wish to write to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE, Washington, DC 20590 or call 1-888-327-4236 (TTY: 1-800-275-9171) or go to http://www.nhtsa.gov.
IF YOU NO LONGER OWN THE VEHICLE
If you have sold or traded your vehicle, please tell us by completing the enclosed Change of Keeper form and returning it to us.
We are sorry to cause inconvenience with this Recall Action. However, this action has been taken in the interest of your safety and continued satisfaction with our products.
Yours sincerely
[Dealer’s Representative] [Representative’s Job Title] [Dealer Name]
Copy of the Change of Ownership form
Please return this form by mail to: Client Services, Aston Martin Lagonda Ltd, Banbury Road, Gaydon, Warwick, CV35
0DB, England.
Or, if you prefer, you can scan and email it to [email protected].
THANK YOU FOR YOUR CO-OPERATION
Recall Action: RA-03-1926
Models: DBX707
Subject: Oil Cooler Hoses
CHANGE OF KEEPER OR ADDRESS
VEHICLE IDENTIFICATION NUMBER
(VIN)
REGISTRATION NUMBER
(where known)
S C F
Please tick the applicable box:
I do not own/operate this vehicle now. The vehicle has been:
Stolen (1)
Scrapped (2)
Sold or Transferred to a new owner (3)
Part exchanged at an Aston Martin Lagonda Dealer (4)
Part exchanged at a non-Aston Martin Lagonda Dealer (5)
Declared an insurance total-loss (6)
Permanently exported to another country (7)
Returned to a lease company (8)
Sold at auction (9)
The address you have used is incorrect (10)
If you have ticked a box from (3) to (10), please record the latest known keeper information below:
Business Name
Title
First Name
Last Name
Address Line 1
Address Line 2
Town
County
Postal/Zip Code
Country
Signature: Date:

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OMB Control No.: 2127-0004
Part 573 Safety Recall Report 24V-249
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Aston Martin The Americas APR 03, 2024 NHTSA Recall No. : 24V-249 Manufacturer Recall No. : RA-03-1926 Manufacturer Information :
Manufacturer Name : Aston Martin The Americas Address : Banbury Road
Gaydon Warwick, United Kingdom 00 CV35 0DB
Company phone : 999
Population :
Number of potentially involved : 720 Estimated percentage with defect : 1 %
Vehicle Information : Vehicle 1 : 2023-2024 Aston Martin DBX707 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS
Descriptive Information : All DBX707 produced from the date the supplier changed their process to the new design of hose was implemented on the production line. No other model uses this hose.
Production Dates : OCT 11, 2022 – JUN 30, 2023
VIN Range 1 : Begin : SD7VUJBW2PTV06973 End : SD7VUJBW3RTV09772 Not sequential Description of Defect :
Description of the Defect : An oil hose for the oil cooler potentially has a thin wall and can burst. The oil hoses part supplier changed the process for wrapping oil cooler hoses. Failure to use the prescribed wrapping process can result in pit and pin marks forming on the inner wall of the hoses. Oil cooler hoses with pit and pin marks may be prone to burst with a resulting loss of oil and oil pressure. The system runs at
7.85 bar pressure during vehicle operation. Supplier testing has shown that properly wrapped oil cooler hoses subjected to a 25 bar pressure test do not burst.
FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : On affected vehicles, certain oil hoses for the oil cooler exhibit pit and pin
marks that identify parts that may be prone to burst with a resulting loss of oil and oil pressure. Sudden and rapid loss of oil and oil pressure could lead to the engine stalling or seizing which could increase the risk of crash or fire (in the presence of an ignition source).
Aston Martin has not received any report of an accident or injury caused by Part 573 Safety Recall Report 24V-249 Page 2 this defect.
Description of the Cause : As part of the pressure test increase, it was found that there was a ‘thin wall’ scenario in the hoses during to an incorrect winding process during manufacture. Identification of Any Warning
that can Occur : Before failing, a warning message may show on the instrument panel to warn of low oil level and pressure.
After failing, the driver may also see smoke from the engine area. Involved Components : Component Name 1 : ENG OIL COOL HS ASSY
Component Description : HOSE ASSEMBLY, OIL COOLER INLET Component Part Number : PY83-6B747-CB Component Name 2 : ENG OIL COOL HS ASY
Component Description : HOSE ASSEMBLY, OIL COOLER OUTLET Component Part Number : PY83-6B748-CB Supplier Identification : Component Manufacturer
Name : Imperial Auto Industries Address : Plot 8A-B, Krishna Nagar,
Sector 20, Faridabad, Haryana Foreign States 121006
Country : India Chronology :
573.6 (c)(6) – Chronology of Events Determining the Defect
1. 4th July 2023 – Initial concern raised. Report of failure of oil cooler hose that had split in the field. Symptoms were smoke from engine and oil level and pressure warnings.
2. This prompted an investigation.
3. Aston Martin was already liaising with supplier during June 2023 to investigate cause of failure from a vehicle during a rolling road test to increase the pressure test from 7 bar to 15 bar. Vehicle system would have a nominal operating pressure of 7.5 bar. A 25 bar hose was later introduced that superseded the 15 bar hose. The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-249
Page 3
The information contained in this report was submitted pursuant to 49 CFR §573
4. The Company’s Technical Review Group (TRG) met regularly throughout the investigation.
5. The Company’s Critical Concerns Review Group (CCRG) met on 12th March to assess the nature and scope of potential concerns related to the oiler cooler hose, and the effectiveness of the 15 bar and 25 bar pressure tests to address all concerns.
6. The CCRG reviewed the technical data and recommended the matter should be reviewed by the Recall Committee.
7. The Recall Committee convened on 03/04/2024 and determined that:
a) a potential defect could occur in the relevant vehicle population;
b) this defect could lead to a potential safety risk; and
c) a voluntary safety recall of all affected vehicles be implemented
Description of Remedy :
Description of Remedy Program : Aston Martin will replace the hoses for the oil cooler on all affected
vehicles at no cost to the customer. How Remedy Component Differs from Recalled Component :
Identify How/When Recall Condition was Corrected in Production : The new hoses are of the same design but will have passed a 25 bar pressure test, instead of the earlier mandated 7 or 15 bar pressure test.
The uprated pressure tested hoses were introduced in production during June 2023. Recall Schedule :
Description of Recall Schedule : It is Aston Martin’s intention to notify all customers listed in table in
573.6(c) (2) above. Aston Martin will provide copies of the notification schedule, including mail dates for the owner letter, when available.
Planned Dealer Notification Date : APR 05, 2024 – OCT 07, 2024
Planned Owner Notification Date : APR 22, 2024 – APR 21, 2025
* NR – Not Reported

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