AMA3 – Suspension Components Not Tightened Properly – 2021 Porsche

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March 10, 2021 NHTSA CAMPAIGN NUMBER: 21V157000

Suspension Components Not Tightened Properly

Loose suspension components may detach, causing a sudden loss of vehicle stability and control, and increasing the risk of a crash.

 

NHTSA Campaign Number: 21V157

Manufacturer Porsche Cars North America, Inc.

Components SUSPENSION

Potential Number of Units Affected 396

 

Summary

Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 Porsche Taycan Turbo, Taycan Turbo S, Taycan, Taycan 4S, 911 Turbo S Coupe, Cayman, Cayman T, Cayman S, Cayman GT4, 911 Carrera Coupe, 911 Carrera S Coupe, 911 Carrera 4S Coupe, 911 Carrera 4S Targa, 911 Carrera Cabriolet, 911 Carrera S Cabriolet, 911 Carrera 4S Targa Heritage Design Edition, 911 Carrera 4S Cabriolet, 911 Turbo Coupe, 911 Turbo Cabriolet, 911 Turbo S Cabriolet, 718 Spyder, and Boxster vehicles. Certain suspension components may not have been tightened correctly and can loosen.

 

Remedy

Dealers will replace the affected suspension nuts and bolts. Dealers will also inspect surrounding components for damage, and replace any damaged parts as necessary. Repairs will be performed free of charge. Owner notification letters were mailed May 7, 2021. Owners may contact Porsche customer service at 1-800-767-7243. Porsche’s number for this recall is AMA3.

 

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.safercar.gov.

 

Check if your Porsche has a Recall

 


Concerns:

Hexagon clamping nut M12 x 1.5 on various threaded connections on the chassis

 

Information:

There is a possibility that clamping nuts, on which the thread was not manufactured according to specifications, were installed on various threaded connections on the chassis on the affected vehicles.

As a result, the required tightening torque was reached before the threaded connection was actually tightened fully when installing the clamping nuts. There is therefore no guarantee that the affected threaded connections will remain sufficiently tight over the service life of the vehicle.

 

Action required:

Rework threaded connections on the front and rear axle.

On vehicles that have already been delivered to customers, the screwed components must also be checked for damage.

 

Information

Please note that different screw positions on the front and rear axle must be reworked on the affected vehicles.

The following specific campaign scopes have therefore been defined for reworking the threaded connections. Every vehicle is clearly assigned just one campaign scope.

The relevant M12 x 1.5 fastening nuts must be replaced on all affected vehicles, depending on the assigned scope.

In addition, the relevant fastening screws must also be replaced.

On vehicles on which a component is screwed at the relevant screw point (e.g. actuator or connecting link), depending on the assigned scope, the thread on the relevant component must be checked and the component may also have to be replaced, depending on the result of the check.

On vehicles that have already been delivered to customers, the components that are screwed together must also be checked for damage caused by relative movements while driving as installings, contact surfaces or bores on the individual components may have been damaged. The relevant components may also have to be replaced, depending on the result of the check.

 


Pre-Information: AMA3 Stop Delivery / Recall campaign – Reworking diverse threaded…

AMA3 Stop Delivery / Recall campaign – Reworking diverse threaded connections at the suspension

 

IMPORTANT REMINDER

IT IS A VIOLATION OF FEDERAL LAW FOR DEALERS TO DELIVER TO CUSTOMERS NEW VEHICLES IN THEIR INVENTORY AFFECTED BY THIS NOTIFICATION UNTIL THESE VEHICLES ARE REMEDIED.

DEALERS SHOULD NOT SELL, LEASE, RENT, OR LOAN ANY NEW OR USED VEHICLES IN DEALER INVENTORY AFFECTED BY THIS NOTIFICATION PRIOR TO REMEDY. DEALERS GROUNDING LEASE RETURNS SHOULD REMEDY ALL AFFECTED GROUNDED VEHICLES. Undelivered Vehicles (WMC1)

 

Please be advised that Stop Delivery Campaign WMC1 has been expanded to include sold/delivered vehicles in customer hands as Safety Recall AMA3.

 

WMC1 vehicles have been rolled into the AMA3 recall population, and must not be delivered until remedied. Remedy availability is expected in early April.

 

Overview

There is a possibility that locknuts that were not manufactured to specification were used on diverse threaded connections of the vehicle’s suspension.

As a result, the specified tightening torque may not have been met on the threaded connection and therefore cannot be guaranteed over the service life of the affected vehicles.

The locknut and the corresponding bolt at the relevant connections will be replaced and torqued to specification.

 

Model line Taycan (Y1A, Y1B)

911 (992)

718 (982)

Model year 2021
Number of affected vehicles 396

 

Test instructions and remedial measures

Will be communicated once available (approx. calendar week 13).

 



5 Affected Products

Vehicles

MAKE MODEL YEAR
PORSCHE 718 SPYDER 2021
PORSCHE 911 2021
PORSCHE BOXSTER 2021
PORSCHE CAYMAN 2021
PORSCHE TAYCAN 2021

 


12 Associated Documents

Recall Quarterly Report #1, 2021-2

RCLQRT-21V157-8846.PDF 211.143KB

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ISSUED Owner Notification Letter(Part 577)

RCONL-21V157-2410.pdf 137.067KB

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Part 577 Owner Notification Envelope

RONE-21V157-5284.pdf 76.759KB

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Manufacturer Notices(to Dealers,etc) – AMA3 Stop Delivery / Recall campaign – Reworking diversethreaded connections at the suspension

RCMN-21V157-7306.pdf 63.089KB

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Remedy Instructions and TSB

RCRIT-21V157-6640.pdf 772.861KB

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Remedy Instructions and TSB

RCRIT-21V157-5052.pdf 367.973KB

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Remedy Instructions and TSB

RCRIT-21V157-9053.pdf 455.297KB

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Remedy Instructions and TSB

RCRIT-21V157-3539.pdf 819.561KB

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Defect Notice 573 Report

RCLRPT-21V157-6928.PDF 224.086KB

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Recall Acknowledgement

RCAK-21V157-7316.pdf 189.547KB

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Recall Quarterly Report #2, 2021-3

RCLQRT-21V157-4141.PDF 211.237KB

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Recall Quarterly Report #3, 2021-4

RCLQRT-21V157-4930.PDF 211.328KB

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Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=21V157&docType=RCL

 


 

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