RA-51-1928 – Loose Fasteners on Front Propeller Shaft – 2021 Aston Martin DBX

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April 3, 2024 NHTSA CAMPAIGN NUMBER: 24V248000

Loose Fasteners on Front Propeller Shaft

A loss of front wheel drive or an engine stall can increase the risk of a crash.


NHTSA Campaign Number: 24V248

Manufacturer Aston Martin The Americas

Components POWER TRAIN

Potential Number of Units Affected 10



Aston Martin The Americas (Aston Martin) is recalling certain 2021 DBX vehicles. The fasteners for the front propeller shaft and front differential may be loose, which can result in a loss of front wheel drive or an engine stall.



Dealers will inspect the fasteners, and tighten them if necessary, 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-51-1928.



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


05 April, 2024

Front Prop Shaft and Front Drive Unit (FDU)


Reason for this Recall Action

Aston Martin has determined that a defect which relates to motor vehicle safety may exist on a number of DBX vehicles built between October 2020 and November 2020.

On the affected vehicles, the fasteners for the front prop shaft and the front differential do not have a record of being fully torqued to specification.

To correct this problem, do the Workshop Procedure given in this document to inspect and if necessary, torque the fasteners to the correct specification.

The full list of VINs for the affected vehicles are attached to this Recall Action document.



The customer letter and the “Change of Keeper or Address” form are published 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 explain the reason for this work. Tell the owner that the repair will be done at no cost to them.


Workshop Procedure

1. Set the transmission to Neutral (N) and do not apply the park brake.

2. Remove the undertray for the front subframe (refer to Workshop Manual Procedure 40.01.AF).

3. Torque the two bolts that attach the FDU assembly to 50 Nm plus 95 degrees (refer to Figure 1).

Note: Prop shaft and front drive half shaft removed for illustrative purposes only.


4. Torque the bolt that attaches the FDU assembly to 50 Nm plus 95 degrees (refer to Figure 2).

Note: Prop shaft removed for illustrative purposes only.


5. Torque the bolt that attaches the FDU assembly to 50 Nm plus 95 degrees (refer to Figure 3).


6. Use the Special Service Tool to hold the prop shaft (refer to Figure 4).


7. Torque the two bolts that attach the prop shaft to 45 Nm plus 90 degrees (refer to Figure 5).


8. Turn the prop shaft clockwise to gain access to the other two bolts.

9. Torque the two bolts that attach the prop shaft to 45 Nm plus 90 degrees.

10. Install the undertray for the front subframe (refer to Workshop Manual Procedure 40.01.AF).


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Chronology :

573.6 (c)(6) – Chronology of Events Determining the Non-Compliance

1. 26th February 2024 – A fault was discovered on a customer vehicle following a roadside recovery in Switzerland. The bolts for the front prop shaft had become loose, and the loose prop shaft had caused the crank position sensor to become unplugged.

2. This prompted an investigation.

3. The investigation identified a similar occurrence on 4th July 2022.

4. The Company’s Technical Review Group (TRG) met on 5th March 2024 to investigate the concern.

5. The Company’s Critical Concerns Review Group (CCRG) met on 12th March 2024 to assess the concern and recommended the matter should be reviewed by the Recall Committee.

6. 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 should be implemented.


1 Affected Product




3 Associated Documents

Recall Acknowledgement

RCAK-24V248-3927.pdf 645.926KB


Defect Notice 573 Report

RCLRPT-24V248-9211.PDF 214.8KB


Remedy Instructions and TSB – DBX Front Prop Shaft and Front Drive Unit (FDU)

RCRIT-24V248-2007.pdf 721.634KB

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