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

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April 3, 2024 NHTSA CAMPAIGN NUMBER: 24V249000

Oil Hose May Burst

A sudden loss of oil and oil pressure can result in the engine stalling or seizing, increasing the risk of a crash or fire.

 

NHTSA Campaign Number: 24V249000

Manufacturer Aston Martin The Americas

Components ENGINE AND ENGINE COOLING

Potential Number of Units Affected 720

 

Summary

Aston Martin The Americas (Aston Martin) is recalling certain 2023-2024 DBX707 vehicles. An oil hose for the oil cooler may burst, resulting in a sudden loss of oil and oil pressure.

 

Remedy

Dealers will replace the hoses for the oil cooler, free of charge. Owner notification letters are expected to be mailed April 22, 2024. Owners may contact Aston Martin customer service at 1-888-923-9988. Aston Martin’s number for this recall is RA-03-1926.

 

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

 

Check if your Aston Martin has a Recall

 


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.

 

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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 A 25 bar hose was later introduced that superseded the 15 bar hose.

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

 


2 Affected Products

Vehicle

MAKE MODEL YEAR
ASTON MARTIN DBX 2023-2024

 


3 Associated Documents

Remedy Instructions and TSB – Recall Action re DBX Oil Cooler Hoses

RCRIT-24V249-8543.pdf 202.801KB

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Defect Notice 573 Report

RCLRPT-24V249-6101.PDF 214.851KB

 


Recall Acknowledgement

RCAK-24V249-9166.pdf 645.826KB

 


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=24V249&docType=RCL

 


 

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